Making alloys

CCHEMISTRY METALLURGY C22Metallurgy C22CALLOYS

C22C1/00Making alloys

C22C1/002Making amorphous alloys C22C1/005Making alloys with holding in the range of the solid-liquid phase C22C1/007Preparing arsenides or antimonides, especially of the III-VI-compound type C22C1/02by melting C22C1/023Alloys based on nickel C22C1/026Alloys based on aluminium C22C1/03using master alloys C22C1/04by powder metallurgy C22C1/0408Light metal alloys C22C1/0416Aluminium-based alloys C22C1/0425Copper-based alloys C22C1/0433Nickel- or cobalt-based alloys C22C1/0441Alloys based on intermetallic compounds of the type rare earth - Co, Ni C22C1/045Alloys based on refractory metals C22C1/0458Alloys based on titanium, zirconium, hafnium C22C1/0466Alloys based on noble metals C22C1/0475Impregnated alloys C22C1/0483Alloys based on the low melting point metals Zn, Pb, Sn, Cd, In or Ga C22C1/0491comprising intermetallic compounds C22C1/05Mixtures of metal powder with non-metallic powder C22C1/051Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material C22C1/053with in situ forming of the hard compound C22C1/055using carbon C22C1/056using gas C22C1/058by reaction sintering ( C22C1/06with the use of special agents for refining or deoxidising C22C1/08Alloys with open or closed pores C22C1/10Alloys containing non-metals C22C1/1005Pretreatment of the non-metallic additives C22C1/101by coating C22C1/1015by preparing or treating a non-metallic additive preform C22C1/1026starting from a solution or a suspension of (a) compound(s) of at least one of the alloy constituents C22C1/1031starting from (a) gaseous compound(s) or (a) vapour(s) of at least one of the constituents C22C1/1036starting from a melt C22C1/1042by atomising C22C1/1068Making hard metals based on borides, carbides, nitrides, oxides, silicides C22C1/1078by internal oxidation of material in solid state C22C1/1084by mechanical alloying (blending, milling) C22C1/1094comprising an after-treatment