Cermet alloy and process for its production

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

1991-09-11

1992-09-22

Lechert, Jr., Stephen J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

75228, 75236, 75238, 75239, 75240, 75241, 75242, 75244, 419 12, 419 13, 419 14, 419 15, 419 16, 419 17, 419 18, 420 6, 428408, 428698, B22F 300

Patent

active

051495953

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, Th, V, Nb, Ta, Pa, Cr, Mo, U and W and (2) at least one W-Co-B compound; said bonding phase comprising Co. The cermet has superior toughness and hardness, and can be worked by conventional sintering methods. The invention also includes a method for producing the cermet.

REFERENCES:
patent: 3647401 (1972-03-01), Meadows
patent: 3660050 (1972-05-01), Iler et al.
patent: 4923512 (1990-05-01), Timm et al.

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