|  | C |
SECTION C — CHEMISTRY AND METALLURGY

METALLURGY

|  | C22 |
METALLURGY (of iron Fulltext... Hierarchy... Expanded...C21); FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR OF NON-FERROUS METALS

|  | C22F |
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS

|  | C22F 1/00 |
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 Fulltext... Hierarchy... Expanded...B21, Fulltext... Hierarchy... Expanded...B23, Fulltext... Hierarchy... Expanded...B24, e.g. shot-peening apparatus Fulltext... Hierarchy... Expanded...B24C)

|  | C22F 1/02 |
· | in inert or controlled atmosphere or vacuum (adjusting the composition of the atmosphere Fulltext... Hierarchy... Expanded...C21D 1/76)

|  | C22F 1/04 |
· | of aluminium or alloys based thereon

|  | C22F 1/06 |
· | of magnesium or alloys based thereon

|  | C22F 1/08 |
· | of copper or alloys based thereon

|  | C22F 1/10 |
· | of nickel or cobalt or alloys based thereon

|  | C22F 1/11 |
· | of chromium or alloys based thereon

|  | C22F 1/12 |
· | of lead or alloys based thereon

|  | C22F 1/14 |
· | of noble metals or alloys based thereon

|  | C22F 1/16 |
· | of other metals or alloys based thereon

|  | C22F 1/18 |
· · | high-melting or refractory metals or alloys based thereon

|  | C22F 3/00 |
Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons

|  | C22F 3/02 |
· | by solidifying a melt controlled by supersonic waves or electric or magnetic fields