| ReturnTo Theme-Group-Choice | Onelevelup |
| 4K020 | Manufacture of alloys or alloy compounds | |
| C22C1/08 -1/10@Z;47/00-49/14 | ||
| C22C1/10;47/00-49/14 | AA | AA00 MATERIALS TO BE DISPERSED |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Fibers | . . Whiskers | . . Inorganic fibers | . . . Carbon fibers | . . . Ceramic fibers | . . . . Alumina fibers | . . . . Alumina-silica fibers | . . . . Silicon carbide or silicon nitride fibers | . . . . Glass or mineral fibers | . . . Metal fibers | |||
| AA11 | AA12 | |||||||||||
| . . Combinations of more than two fibers | . . . Combinations of more than two materials in each fiber | |||||||||||
| AA21 | AA22 | AA23 | AA24 | AA25 | AA26 | AA27 | ||||||
| . Materials to be dispersed other than fibers | . . Hard materials | . . Lubricating materials | . . . Carbon | . . Lightweight materials | . . Combinations of more than two non-fiber materials to be dispersed | . . . Combinations of more than two materials to be dispersed | ||||||
| AB | AB00 ARRANGEMENT AND DISTRIBUTION OF MATERIALS TO BE DISPERSED |
AB01 | AB02 | |||||||||
| . Variants containing dispersant materials of different densities | . Variants containing dispersant materials of different types | |||||||||||
| AC | AC00 MATRIX MATERIALS |
AC01 | AC02 | AC03 | AC04 | AC05 | AC06 | AC07 | AC09 | |||
| . Aluminum | . Magnesium | . Titanium | . Copper | . Silver | . Nickel or cobalt | . Other metals or alloys | . Use of special ingredients for making compounds | |||||
| BA | BA00 PRETREATMENT OF MATERIALS TO BE DISPERSED |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | |||
| . Coating | . Molding | . . Fiber molding | . . . Weaving, knitting, or bundling | . . Use of a binder | . . Use of solvents | . Refining of the materials to be dispersed | . Other pre-treatments | |||||
| BB | BB00 COMPOUNDING MEANS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB07 | BB08 | BB09 | BB10 | |
| . Means of compounding fibers | . . Casting | . . . Use of continuous fibers | . . . Vacuum casting | . . . Heat casting | . . . . Use of centrifugal force | . . Use of diffusion combinations | . . . Use of powder metallurgy | . . . . Use of continuous fibers | . . . Use of foil metallurgy | |||
| BB11 | BB12 | |||||||||||
| . . Use of in situ means | . . Use of PVD, chemical vapor deposition (CVD), plating, or spraying means | |||||||||||
| BB21 | BB22 | BB23 | BB24 | BB25 | BB26 | BB27 | BB28 | BB29 | BB30 | |||
| . Means for compounding materials other than fibers | . . Liquid phase methods | . . . Semi-molten agitation methods | . . . Jet-dispersion methods | . . . Ultra-flash cooling means | . . . Heat casting | . . . Use of a chemical reaction | . . Solid phase methods | . . . Use of powder metallurgy | . . . Use of a chemical reaction | |||
| BB31 | BB32 | |||||||||||
| . . . . Internal oxidization methods | . . . . Reduction methods | |||||||||||
| BB41 | ||||||||||||
| . Use of spare compounds | ||||||||||||
| BC | BC00 POST-PROCESSING |
BC01 | BC02 | BC03 | ||||||||
| . Molding | . Heat processing | . Other post-processing |