B22FWORKING METALLIC POWDERMANUFACTURE OF ARTICLES FROM METALLIC POWDERMAKING METALLIC POWDER making alloys by powder metallurgy C22CAPPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDERThis subclass covers the making of metallic powder only insofar as powder with specific physical characteristics is made.In this subclass, the term "powder" includes somewhat larger particles which are worked, obtained or behave in a manner similar to powder, e.g. fibres.In this subclass, the expression "metallic powder" covers: powders consisting of metal particles;powders consisting of coated metal particles; powders consisting of metal-coated non-metallic particles;mixtures of powders of the kinds mentioned above;powders of the kinds mentioned above as the main component mixed with or containing non-metallic material, e.g. lubricating or binding agents or organic material.In this subclass, combination sets (C-Sets) are used. Detailed information about C-Sets construction and the associated syntax rules is found in the definitions for B22F.The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: B22F3/035 covered by B22F3/03In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. B22F1/00 B22F1/00Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve propertiesGroup B22F1/00 is incomplete pending reclassification of documents from group B22F1/0003.
Group B22F1/00 is also impacted by reclassification into groups B22F1/08 and B22F1/12.
All groups listed in this Warning should be considered in order to perform a complete search. B22F1/0003Metallic powders per se; Mixtures of metallic powders; Metallic powders mixed with a lubricating or binding agent making ferrous alloys using a mixture of prealloyed powders C22C33/0207Group B22F1/0003 is no longer used for the classification of documents as of 2022-01-01.
The content of this group is being reclassified into groups B22F1/00, B22F1/08, B22F1/09 and B22F1/12.
All groups listed in this Warning should be considered in order to perform a complete search. B22F1/0007Metallic powder characterised by its shape or structure, e.g. fibre structureGroup B22F1/0007 is no longer used for the classification of documents as of 2022-01-01.
The content of this group is being reclassified into groups B22F1/06, B22F1/07 and B22F1/08.
All groups listed in this Warning should be considered in order to perform a complete search. B22F1/05Metallic powder characterised by the size or surface area of the particlesGroup B22F1/05 is impacted by reclassification into group B22F1/08.
Groups B22F1/05 and B22F1/08 should be considered in order to perform a complete search. B22F1/052characterised by a mixture of particles of different sizes or by the particle size distributionGroup B22F1/052 is impacted by reclassification into group B22F1/08.
Groups B22F1/052 and B22F1/08 should be considered in order to perform a complete search. B22F1/054Nanosized particlesGroup B22F1/054 is impacted by reclassification into groups B22F1/056 and B22F1/08.
Groups B22F1/054, B22F1/056 and B22F1/08 should be considered in order to perform a complete search. B22F1/0545Dispersions or suspensions of nanosized particlesGroup B22F1/0545 is impacted by reclassification into group B22F1/08.
Groups B22F1/0545 and B22F1/08 should be considered in order to perform a complete search. B22F1/0547Nanofibres or nanotubesGroup B22F1/0547 is impacted by reclassification into group B22F1/08.
Groups B22F1/0547 and B22F1/08 should be considered in order to perform a complete search. B22F1/0549Hollow particles, including tubes and shellsGroup B22F1/0549 is impacted by reclassification into group B22F1/08.
Groups B22F1/0549 and B22F1/08 should be considered in order to perform a complete search. B22F1/0551Flake form nanoparticlesGroup B22F1/0551 is impacted by reclassification into group B22F1/08.
Groups B22F1/0551 and B22F1/08 should be considered in order to perform a complete search. B22F1/0553Complex form nanoparticles, e.g. prism, pyramid, octahedronGroup B22F1/0553 is impacted by reclassification into group B22F1/08.
Groups B22F1/0553 and B22F1/08 should be considered in order to perform a complete search. B22F1/056Submicron particles having a size above 100 nm up to 300 nmGroup B22F1/056 is incomplete pending reclassification of documents from group B22F1/054.
Groups B22F1/054 and B22F1/056 should be considered in order to perform a complete search. B22F1/06Metallic powder characterised by the shape of the particles nanosized particles B22F1/054Group B22F1/06 is incomplete pending reclassification of documents from group B22F1/0007.
Groups B22F1/0007 and B22F1/06 should be considered in order to perform a complete search. B22F1/062Fibrous particlesGroup B22F1/062 is impacted by reclassification into group B22F1/08.
Groups B22F1/062 and B22F1/08 should be considered in order to perform a complete search. B22F1/065Spherical particlesGroup B22F1/065 is impacted by reclassification into group B22F1/08.
Groups B22F1/065 and B22F1/08 should be considered in order to perform a complete search. B22F1/0655Hollow particlesGroup B22F1/0655 is impacted by reclassification into group B22F1/08.
Groups B22F1/0655 and B22F1/08 should be considered in order to perform a complete search. B22F1/068 Flake-like particlesGroup B22F1/068 is impacted by reclassification into group B22F1/08.
Groups B22F1/068 and B22F1/08 should be considered in order to perform a complete search. B22F1/07Metallic powder characterised by particles having a nanoscale microstructure nanosized particles B22F1/054Group B22F1/07 is incomplete pending reclassification of documents from group B22F1/0007.
Groups B22F1/0007 and B22F1/07 should be considered in order to perform a complete search. B22F1/08Metallic powder characterised by particles having an amorphous microstructureGroup B22F1/08 is incomplete pending reclassification of documents from groups B22F1/00, B22F1/0003, B22F1/0007, B22F1/05, B22F1/052, B22F1/054, B22F1/0545, B22F1/0547, B22F1/0549, B22F1/0551, B22F1/0553, B22F1/062, B22F1/065, B22F1/0655, B22F1/068, B22F1/10, B22F1/102, B22F1/103, B22F1/105, B22F1/107, B22F1/108, B22F1/14, B22F1/142, B22F1/145, B22F1/147, B22F1/148, B22F1/16 and B22F1/17.
All groups listed in this Warning should be considered in order to perform a complete search. B22F1/09Mixtures of metallic powdersGroup B22F1/09 is incomplete pending reclassification of documents from group B22F1/0003.
Groups B22F1/0003 and B22F1/09 should be considered in order to perform a complete search. B22F1/10Metallic powder containing lubricating or binding agentsMetallic powder containing organic materialGroup B22F1/10 is impacted by reclassification into group B22F1/08.
Groups B22F1/10 and B22F1/08 should be considered in order to perform a complete search. B22F1/102Metallic powder coated with organic materialGroup B22F1/102 is impacted by reclassification into group B22F1/08.
Groups B22F1/102 and B22F1/08 should be considered in order to perform a complete search. B22F1/103containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agentGroup B22F1/103 is impacted by reclassification into group B22F1/08.
Groups B22F1/103 and B22F1/08 should be considered in order to perform a complete search. B22F1/105containing inorganic lubricating or binding agents, e.g. metal saltsGroup B22F1/105 is impacted by reclassification into group B22F1/08.
Groups B22F1/105 and B22F1/08 should be considered in order to perform a complete search. B22F1/107containing organic material comprising solvents, e.g. for slip castingGroup B22F1/107 is impacted by reclassification into group B22F1/08.
Groups B22F1/107 and B22F1/08 should be considered in order to perform a complete search. B22F1/108Mixtures obtained by warm mixingGroup B22F1/108 is impacted by reclassification into group B22F1/08.
Groups B22F1/108 and B22F1/08 should be considered in order to perform a complete search. B22F1/12Metallic powder containing non-metallic particles containing lubricating or binding agents or organic material B22F1/10Group B22F1/12 is incomplete pending reclassification of documents from groups B22F1/00 and B22F1/0003.
Groups B22F1/00, B22F1/0003 and B22F1/12 should be considered in order to perform a complete search. B22F1/14Treatment of metallic powder mixing with lubricating or binding agents or with organic material B22F1/10Group B22F1/14 is impacted by reclassification into group B22F1/08.
Groups B22F1/14 and B22F1/08 should be considered in order to perform a complete search. B22F1/142Thermal or thermo-mechanical treatmentGroup B22F1/142 is impacted by reclassification into group B22F1/08.
Groups B22F1/142 and B22F1/08 should be considered in order to perform a complete search. B22F1/145Chemical treatment, e.g. passivation or decarburisationGroup B22F1/145 is impacted by reclassification into group B22F1/08.
Groups B22F1/145 and B22F1/08 should be considered in order to perform a complete search. B22F1/147Making a dispersionGroup B22F1/147 is impacted by reclassification into group B22F1/08.
Groups B22F1/147 and B22F1/08 should be considered in order to perform a complete search. B22F1/148AgglomeratingGroup B22F1/148 is impacted by reclassification into group B22F1/08.
Groups B22F1/148 and B22F1/08 should be considered in order to perform a complete search. B22F1/16Metallic particles coated with a non-metal coated with lubricating or binding agents or with organic material B22F1/10Group B22F1/16 is impacted by reclassification into groups B22F1/08 and B22F1/18.
Groups B22F1/16, B22F1/08 and B22F1/18 should be considered in order to perform a complete search. B22F1/17Metallic particles coated with metalGroup B22F1/17 is impacted by reclassification into groups B22F1/08 and B22F1/18.
Groups B22F1/17, B22F1/08 and B22F1/18 should be considered in order to perform a complete search. B22F1/18Non-metallic particles coated with metalGroup B22F1/18 is incomplete pending reclassification of documents from groups B22F1/16 and B22F1/17.
Groups B22F1/16, B22F1/17 and B22F1/18 should be considered in order to perform a complete search. B22F3/00Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor ; Presses and furnacesGroup B22F3/00 is impacted by reclassification into groups B22F10/00 - B22F12/90.
Groups B22F3/00 and B22F10/00 - B22F12/90 should be considered in order to perform a complete search. B22F3/001Starting from powder comprising reducible metal compounds making ferrous alloys starting from compounds C22C33/0235 B22F3/002Manufacture of articles essentially made from metallic fibres B22F3/003Apparatus, e.g. furnaces in general F27B B22F3/004Filling molds with powder feeding material to presses in general B30B15/302 B22F3/005Loading or unloading powder metal objects transport in general B65G B22F3/006Amorphous articles B22F3/007by diffusion starting from non-amorphous articles prepared by powder metallurgy B22F3/02Compacting only B22F2003/023Lubricant mixed with the metal powder B22F2003/026Mold wall lubrication or article surface lubrication B22F3/03Press-moulding apparatus therefor B22F2003/031with punches moving in different directions in different planes B22F2003/033with multiple punches working in the same direction B22F3/04by applying fluid pressure , e.g. by cold isostatic pressing [CIP] B22F3/045Semi-isostatic pressure B22F3/06by centrifugal forces B22F3/08by explosive forces generating shock waves in general G10K15/043 B22F3/087using high energy impulses, e.g. magnetic field impulses B22F3/093using vibrations or friction B22F3/10Sintering only B22F3/1003Use of special medium during sintering, e.g. sintering aid B22F3/1007Atmosphere B22F3/1021 takes precedence B22F3/101Changing atmosphere B22F2003/1014Getter B22F3/1017Multiple heating or additional steps B22F3/101 takes precedence B22F3/1021Removal of binder or filler removal of binder from ceramics C04B35/638 B22F3/1025not by heating only B22F3/1028Controlled cooling B22F2003/1032comprising a grain growth inhibitor B22F3/1035Liquid phase sintering B22F3/1039by reaction B22F3/001, B22F3/23 take precedence B22F2003/1042with support for articles to be sintered B22F2003/1046with separating means for articles to be sintered B22F3/105by using electric current other than for infra-red radiant energy, laser radiation or plasma B22F3/11 takes precedence; by ultrasonic bonding B22F3/115 takes precedence B22F2003/1051by electric discharge B22F2003/1052assisted by energy absorption enhanced by the coating or powder B22F2003/1053by induction B22F2003/1054by microwave B22F3/11Making porous workpieces or articles B22F3/1103with particular physical characteristics B22F2003/1106Product comprising closed porosity B22F3/1109Inhomogenous pore distribution composite layers of porous nature B22F7/002 B22F3/1112comprising hollow spheres or hollow fibres B22F3/1115comprising complex forms, e.g. honeycombs B22F3/1118comprising internal reinforcements B22F3/1121by using decomposable, meltable or sublimatable fillers B22F3/1125involving a foaming process B22F2003/1128Foaming by expansion of dissolved gas, other than with foaming agent B22F2003/1131Foaming in a liquid suspension and decomposition B22F3/1134Inorganic fillers carbonaceous or paper filler B22F3/1121 B22F3/1137by coating porous removable preforms B22F3/114the porous products being formed by impregnation B22F3/1137, B22F3/26 take precedence B22F3/1143involving an oxidation, reduction or reaction step B22F3/1146After-treatment maintaining the porosity B22F3/114 takes precedence B22F3/115by spraying molten metal, i.e. spray sintering, spray casting B22F3/12Both compacting and sintering by forging B22F3/17 B22F3/1208Containers or coating used therefor B22F3/1216Container composition B22F3/1225Glass B22F3/1233Organic material B22F3/1241layered B22F3/125Initially porous container B22F3/1258Container manufacturing B22F3/1266by coating or sealing the surface of the preformed article, e.g. by melting B22F3/1275by coating a model and eliminating the model before consolidation B22F3/1283Container formed as an undeformable model eliminated after consolidation B22F3/1291Solid insert eliminated after consolidation B22F3/14simultaneously B22F2003/145by warm compacting, below debindering temperature B22F3/15Hot isostatic pressing B22F2003/153apparatus specific to HIP B22F3/156by a pressure medium in liquid or powder form B22F3/16in successive or repeated steps B22F3/162Machining, working after consolidation B22F3/164Partial deformation or calibration B22F2003/166Surface calibration, blasting, burnishing, sizing, coining B22F3/168Local deformation B22F3/17by forging B22F3/172Continuous compaction, e.g. rotary hammering with axial pressure and without reduction of section B22F3/204 B22F2003/175by hot forging, below sintering temperature B22F3/177Rocking die forging B22F3/18by using pressure rollers B22F2003/185by hot rolling, below sintering temperature B22F3/20by extruding B22F2003/202with back pressure B22F3/204Continuous compaction with axial pressure and without reduction of section B22F2003/206Hydrostatic or hydraulic extrusion B22F2003/208Warm or hot extruding B22F3/22for producing castings from a slip B22F3/222by freeze-casting or in a supercritical fluid B22F3/225by injection molding B22F3/227by organic binder assisted extrusion B22F3/23involving a self-propagating high-temperature synthesis or reaction sintering step making cermets by reaction sintering C22C1/051 B22F3/24After-treatment of workpieces or articles B22F3/1146 takes precedence B22F2003/241Chemical after-treatment on the surface B22F2003/242Coating B22F2003/244Leaching B22F2003/245Making recesses, grooves etc on the surface by removing material B22F2003/247Removing material: carving, cleaning, grinding, hobbing, honing, lapping, polishing, milling, shaving, skiving, turning the surface B22F2003/248Thermal after-treatment B22F3/26Impregnating making ferrous alloys by impregnation C22C33/0242 B22F5/00Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product B22F2005/001Cutting tools, earth boring or grinding tool other than table ware B22F2005/002Tools other than cutting tools B22F5/003Articles made for being fractured or separated into parts B22F2005/004Article comprising helical form elements B22F5/085 takes precedence B22F2005/005Article surface comprising protrusions B22F5/006of flat products, e.g. sheets B22F3/1103 takes precedence; by using pressure rollers only see B22F3/18 B22F5/007of moulds B22F5/008of engine cylinder parts or of piston parts other than piston rings of piston rings B22F5/02 B22F5/009of turbine components other than turbine blades of turbine blades B22F5/04 B22F5/02of piston rings B22F5/04of turbine blades B22F5/06of threaded articles, e.g. nuts B22F5/08of toothed articles, e.g. gear wheelsof cam discs B22F5/085with helical contours B22F5/10of articles with cavities or holes, not otherwise provided for in the preceding subgroups B22F2005/103Cavity made by removal of insert B22F5/106Tube or ring forms B22F5/12of wires of tubes B22F5/10 B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression application of coating layers by use of metal powders, see C23C B22F7/002of porous nature B22F7/004comprising at least one non-porous part B22F7/006the porous part being obtained by foaming B22F7/008characterised by the composition B22F7/02of composite layers B22F7/002 takes precedence B22F7/04with one or more layers not made from powder, e.g. made from solid metal B22F2007/042characterised by the layer forming method B22F2007/045accompanied by fusion or impregnation B22F2007/047non-pressurised baking of the paste or slurry containing metal powder B22F7/06of composite workpieces or articles from parts, e.g. to form tipped tools B22F7/002 takes precedence B22F7/062involving the connection or repairing of preformed parts B22F7/064using an intermediate powder layer B22F2007/066using impregnation B22F2007/068repairing articles B22F7/08with one or more parts not made from powder B22F7/062 takes precedence B22F8/00Manufacture of articles from scrap or waste metal particles B22F9/00Making metallic powder or suspensions thereof B22F2009/001from scrap particles B22F9/002amorphous or microcrystalline B22F9/004by diffusion, e.g. solid state reaction B22F9/005Transformation into amorphous state by milling B22F9/007Transformation of amorphous into microcrystalline state B22F9/008Rapid solidification processing B22F9/02using physical processes B22F9/023Hydrogen absorption B22F9/026Spray drying of solutions or suspensions B22F9/04starting from solid material, e.g. by crushing, grinding or milling C22C1/1084 takes precedence; crushing, grinding or milling, in general, see the relevant subclasses, e.g. B02C B22F2009/041by mechanical alloying, e.g. blending, milling B22F2009/042using a particular milling fluid B22F2009/043by ball milling B22F2009/044by jet milling B22F2009/045by other means than ball or jet milling B22F2009/046by cutting B22F2009/047by rolling B22F2009/048by pulverising a quenched ribbon B22F2009/049by pulverising at particular temperature B22F9/06starting from liquid material B22F2009/065Melting inside a liquid, e.g. making spherical balls B22F9/08by casting, e.g. through sieves or in water, by atomising or spraying using electric discharge B22F9/14 B22F2009/0804Dispersion in or on liquid, other than with sieves B22F2009/0808Mechanical dispersion of melt, e.g. by sieves B22F2009/0812Pulverisation with a moving liquid coolant stream, by centrifugally rotating stream B22F2009/0816by casting with pressure or pulsating pressure on the metal bath B22F9/082atomising using a fluid using centrifugal force B22F9/10 B22F2009/0824with a specific atomising fluid B22F2009/0828with water B22F2009/0832Handling of atomising fluid, e.g. heating, cooling, cleaning, recirculating B22F2009/0836with electric or magnetic field or induction B22F2009/084combination of methods B22F2009/0844in controlled atmosphere B22F2009/0848Melting process before atomisation B22F2009/0852Electroslag melting B22F2009/0856Skull melting B22F2009/086Cooling after atomisation B22F2009/0864by oil, other non-aqueous fluid or fluid-bed cooling B22F2009/0868by injection of solid particles in the melt stream B22F2009/0872by water B22F2009/0876by gas B22F2009/088Fluid nozzles, e.g. angle, distance B22F2009/0884Spiral fluid B22F2009/0888casting construction of the melt process, apparatus, intermediate reservoir, e.g. tundish, devices for temperature control B22F2009/0892casting nozzle; controlling metal stream in or after the casting nozzle B22F2009/0896particle transport, separation: process and apparatus B22F9/10using centrifugal force B22F9/12starting from gaseous material B22F9/14using electric discharge B22F9/16using chemical processes B22F2009/165Chemical reaction in an Ionic Liquid [IL] B22F2009/245 takes precedence B22F9/18with reduction of metal compounds B22F9/20starting from solid metal compounds B22F9/22using gaseous reductors B22F9/24starting from liquid metal compounds, e.g. solutions B22F2009/245Reduction reaction in an Ionic Liquid [IL] B22F9/26using gaseous reductors B22F9/28starting from gaseous metal compounds B22F9/30with decomposition of metal compounds, e.g. by pyrolysis B22F9/305of metal carbonyls B22F10/00Additive manufacturing of workpieces or articles from metallic powder apparatus or devices therefor B22F12/00Group B22F10/00 is incomplete pending reclassification of documents from group B22F3/00.
Groups B22F3/00 and B22F10/00 should be considered in order to perform a complete search. B22F10/10Formation of a green bodyGroup B22F10/10 is incomplete pending reclassification of documents from group B22F3/00.
Group B22F10/10 is also impacted by reclassification into groups B22F10/12 - B22F10/18.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/12by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]Group B22F10/12 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/10.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/14by jetting of binder onto a bed of metal powderGroup B22F10/14 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/10.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/16by embedding the binder within the powder bedGroup B22F10/16 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/10.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/18by mixing binder with metal in filament form, e.g. fused filament fabrication [FFF]Group B22F10/18 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/10.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/20Direct sintering or meltingGroup B22F10/20 is incomplete pending reclassification of documents from group B22F3/00.
Group B22F10/20 is also impacted by reclassification into groups B22F10/22 - B22F10/28.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/22Direct deposition of molten metalGroup B22F10/22 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/20.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/25Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]Group B22F10/25 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/20.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/28Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]Group B22F10/28 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/20.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/30Process controlGroup B22F10/30 is incomplete pending reclassification of documents from group B22F3/00.
Group B22F10/30 is also impacted by reclassification into groups B22F10/31 - B22F10/39, B22F10/80 and B22F10/85.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/31Calibration of process steps or apparatus settings, e.g. before or during manufacturingGroup B22F10/31 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/32of the atmosphere, e.g. composition or pressure in a building chamberGroups B22F10/32 and B22F10/322 are incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/322of the gas flow, e.g. rate or direction B22F10/34of powder characteristics, e.g. density, oxidation or flowabilityGroup B22F10/34 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/36of energy beam parametersGroups B22F10/36, B22F10/362, B22F10/364, B22F10/366 and B22F10/368 are incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/362for preheating B22F10/364for post-heating, e.g. remelting B22F10/366Scanning parameters, e.g. hatch distance or scanning strategy B22F10/368Temperature or temperature gradient, e.g. temperature of the melt pool B22F10/37of powder bed aspects, e.g. densityGroup B22F10/37 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/38to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structuresGroups B22F10/38 and B22F10/385 are incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/385Overhang structures B22F10/39Traceability, e.g. incorporating identifier into a workpiece or articleGroup B22F10/39 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/30.
Groups B22F3/00, B22F10/30 and B22F10/39 should be considered in order to perform a complete search. B22F10/40Structures for supporting workpieces or articles during manufacture and removed afterwardsGroup B22F10/40 is incomplete pending reclassification of documents from group B22F3/00.
Group B22F10/40 is also impacted by reclassification into groups B22F10/43 and B22F10/47.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/43characterised by materialGroup B22F10/43 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/40.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/47characterised by structural featuresGroup B22F10/47 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/40.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/50Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-upGroup B22F10/50 is incomplete pending reclassification of documents from group B22F3/00.
Groups B22F3/00 and B22F10/50 should be considered in order to perform a complete search. B22F10/60Treatment of workpieces or articles after build-upGroups B22F10/60, B22F10/62, B22F10/64 and B22F10/66 are incomplete pending reclassification of documents from group B22F3/00.
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Group B22F10/70 is also impacted by reclassification into groups B22F10/68, B22F10/73 and B22F10/77.
All groups listed in this Warning should be considered in order to perform a complete search. B22F10/73of powderGroup B22F10/73 is incomplete pending reclassification of documents from groups B22F3/00 and B22F10/70.
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All groups listed in this Warning should be considered in order to perform a complete search. B22F10/85for controlling or regulating additive manufacturing processes B22F12/00Apparatus or devices specially adapted for additive manufacturingAuxiliary means for additive manufacturingCombinations of additive manufacturing apparatus or devices with other processing apparatus or devicesGroup B22F12/00 is incomplete pending to reclassification of documents from group B22F3/00.
Group B22F12/00 is also impacted by reclassification into groups B22F12/10 - B22F12/90.
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All groups listed in this Warning should be considered in order to perform a complete search. B22F12/13to preheat the material B22F12/17to heat the build chamber or platform B22F12/20Cooling meansGroup B22F12/20 is incomplete pending reclassification of documents from groups B22F3/00 and B22F12/00.
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All groups listed in this Warning should be considered in order to perform a complete search. B22F2201/00 B22F2201/00Treatment under specific atmosphere B22F2201/01Reducing atmosphere B22F2201/013Hydrogen B22F2201/016NH₃ B22F2201/02Nitrogen B22F2201/03Oxygen B22F2201/04CO or CO₂ B22F2201/05Water or water vapour B22F2201/10Inert gases B22F2201/11Argon B22F2201/12Helium B22F2201/20Use of vacuum B22F2201/30Carburising atmosphere B22F2201/32Decarburising atmosphere B22F2201/40Metal compounds B22F2201/50air B22F2202/00Treatment under specific physical conditions B22F2202/01Use of vibrations B22F2202/03Treatment under cryogenic or supercritical conditions B22F2202/05Use of magnetic field B22F2202/06Use of electric fields B22F2202/07by induction B22F2202/09Use of non-gravitational conditions B22F2202/11Use of irradiation B22F2202/13Use of plasma B22F2202/15Use of fluidised beds B22F2202/17use of centrifugal or vortex forces B22F2203/00Controlling B22F2203/01To-be-deleted with administrative transfer to B22F2203/00 B22F2203/03for feed-back B22F2203/05thermal expansion B22F2203/11temperature, temperature profile B22F2203/13pressure B22F2203/15weight B22F2207/00Aspects of the compositions, gradients B22F2207/01Composition gradients B22F2207/03of the metallic binder phase in cermets B22F2207/05eta-phase B22F2207/07Particles with core-rim gradient B22F2207/11Gradients other than composition gradients, e.g. size gradients B22F2207/13Size gradients B22F2207/15Temperature gradients B22F2207/17density or porosity gradients B22F2207/20Cooperating components B22F2301/00Metallic composition of the powder or its coating B22F2301/05Light metals B22F2301/052Aluminium B22F2301/054Alkali metals, i.e. Li, Na, K, Rb, Cs, Fr B22F2301/056Alkaline metals, i.e. Ca, Sr, Ba, Ra B22F2301/058Magnesium B22F2301/10Copper B22F2301/15Nickel or cobalt B22F2301/155Rare Earth - Co or -Ni intermetallic alloys B22F2301/20Refractory metals B22F2301/205Titanium, zirconium or hafnium B22F2301/25Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru B22F2301/255Silver or gold B22F2301/30Low melting point metals, i.e. Zn, Pb, Sn, Cd, In, Ga B22F2301/35Iron B22F2301/355Rare Earth - Fe intermetallic alloys B22F2301/40Intermetallics other than rare earth-Co or -Ni or -Fe intermetallic alloys B22F2301/45Rare earth metals, i.e. Sc, Y, Lanthanides (57-71) B22F2302/00Metal Compound, non-Metallic compound or non-metal composition of the powder or its coating B22F2302/05Boride B22F2302/10Carbide B22F2302/105Silicium carbide (SiC) B22F2302/15Carbonitride B22F2302/20Nitride B22F2302/205Cubic boron nitride B22F2302/25Oxide B22F2302/253Aluminum oxide (Al₂O₃) B22F2302/256Silicium oxide (SiO₂) B22F2302/30Oxynitride B22F2302/35Complex boride, carbide, carbonitride, nitride, oxide or oxynitride B22F2302/40Carbon, graphite B22F2302/403Carbon nanotube B22F2302/406Diamond B22F2302/45Others, including non-metals B22F2303/00Functional details of metal or compound in the powder or product, B22F2303/01Main component B22F2303/05Compulsory alloy component B22F2303/10Optional alloy component B22F2303/15Intermetallic B22F2303/20Coating by means of particles B22F2303/25Coating by means of fibres B22F2303/30Coating alloy B22F2303/35Molten metal infiltrating a metal preform B22F2303/40Layer in a composite stack of layers, workpiece or article B22F2303/405Support layer B22F2303/45Part of a final mixture to be processed further B22F2304/00Physical aspects of the powder B22F2304/05Submicron size particles B22F2304/052Particle size below 1nm B22F2304/054Particle size between 1 and 100 nm B22F2304/056Particle size above 100 nm up to 300 nm B22F2304/058Particle size above 300 nm up to 1 micrometer B22F2304/10Micron size particles, i.e. above 1 micrometer up to 500 micrometer B22F2304/15Millimeter size particles, i.e. above 500 micrometer B22F2998/00Supplementary information concerning processes or compositions relating to powder metallurgyIn this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions. B22F2998/10Processes characterised by the sequence of their stepsIn this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions. B22F2999/00Aspects linked to processes or compositions used in powder metallurgyIn this group, C-Sets are used. Detailed information about C-Sets construction and the associated syntax rules is found in the Definitions.