C22F

CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by this subclass, C23F17/00

In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

C22F1/00

Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working apparatus for mechanical working of metal B21, B23, B24

C22F1/002

by rapid cooling or quenching; cooling agents used therefor

C22F1/004

Heat treatment in fluid bed

C22F1/006

Resulting in heat recoverable alloys with a memory effect

C22F1/008

Using a protective surface layer

C22F1/02

in inert or controlled atmosphere or vacuum adjusting the composition of the atmosphere C21D1/76

C22F1/04

of aluminium or alloys based thereon

C22F1/043

of alloys with silicon as the next major constituent

C22F1/047

of alloys with magnesium as the next major constituent

C22F1/05

of alloys of the Al-Si-Mg type, i.e. containing silicon and magnesium in approximately equal proportions

C22F1/053

of alloys with zinc as the next major constituent

C22F1/057

of alloys with copper as the next major constituent

C22F1/06

of magnesium or alloys based thereon

C22F1/08

of copper or alloys based thereon

C22F1/10

of nickel or cobalt or alloys based thereon

C22F1/11

of chromium or alloys based thereon

C22F1/12

of lead or alloys based thereon

C22F1/14

of noble metals or alloys based thereon

C22F1/16

of other metals or alloys based thereon

C22F1/165

of zinc or cadmium or alloys based thereon

C22F1/18

High-melting or refractory metals or alloys based thereon

C22F1/183

of titanium or alloys based thereon

C22F1/186

of zirconium or alloys based thereon

C22F3/00

Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons

C22F3/02

by solidifying a melt controlled by supersonic waves or electric or magnetic fields