Sintered alloy having wear-resistance at high temperature

Details Sintered alloy having wear-resistance at high temperature Sintered alloy having wear-resistance at high temperature

1976-04-28

1978-03-21

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 75123J, 75123K, 75126C, 75128W, B22F 300

Patent

active

040802051

ABSTRACT:
A sintered alloy having improved wear resistance at high temperatures, comprising a soft, predominantly iron matrix having a Vickers hardness of 100-200 containing more than 5 but at most 20% Mo, together with 0.5-1.5% carbon and at least one additive selected from the group consisting of nickel, cobalt and chromium, with said additive constituting at most 25% by weight of said alloy, and most of said molybdenum being contained in Mo-Fe particles having a Vickers hardness of 600-1300 which are uniformly distributed within said matrix and have an average diameter of 20-70 microns.

REFERENCES:
patent: 2183715 (1939-12-01), Franks
patent: 2823992 (1958-02-01), Bolkeom et al.
patent: 3698055 (1977-10-01), Holtz et al.
patent: 3793691 (1974-02-01), Takahashi et al.
patent: 3795961 (1974-03-01), Takahashi et al.
patent: 3837816 (1974-09-01), Takahashi et al.

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