Cermet alloy and process for its production

Details Cermet alloy and process for its production Cermet alloy and process for its production

1992-09-18

1994-09-20

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

75238, 75239, 75240, 75242, 75244, 75241, B22F 300

Patent

active

053488067

ABSTRACT:
A cermet alloy having a structure comprising a hard phase and a bonding phase, said hard phase comprising (1) at least one of MC, MN, and MCN, wherein M is at least one element selected from Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, and W (2) at least one compound selected from (M,Mo)(B,C), M,Mo)(B,N) and (M,Mo)(B,CN) and (3) at least one Mo--Co--B compound; said bonding phase comprising Co. The cermet alloy has superior toughness and hardness, and can be worked by conventional sintering methods. The invention also includes a method for producing the cermet alloy.

REFERENCES:
patent: 2776468 (1957-01-01), Steinitz
patent: 3752655 (1973-08-01), Ramquist et al.
patent: 4533389 (1985-08-01), Kapoor et al.
patent: 5022919 (1991-06-01), Shinozaki et al.
patent: 5149595 (1992-09-01), Kojo et al.
European Search Report Dec. 14, 1992 "Highly abrasion resistant hard materials" Chemical Abstracts, vol. 104, No. 55273, Columbus, Ohio.

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