Wear resisting aluminum alloy composite material

Details Wear resisting aluminum alloy composite material Wear resisting aluminum alloy composite material

1995-10-05

1997-08-05

Bell, James J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Laterally noncoextensive components

148415, 148437, B21D 3900

Patent

active

056541074

ABSTRACT:
A wear resisting aluminum alloy composite material consisting of 10 to 40% by volume of a hybrid compact and the balance substantially an aluminum alloy matrix, wherein the hybrid compact contains 85 to 95% by weight of an inorganic whisker which is 0.2 to 1.2 .mu.m in diameter and 10 to 30 .mu.m in length, and 5 to 15% by weight of an alumina fiber which is 100 to 300 .mu.m in length, and the aluminum alloy matrix contains 4 to 12% by weight of a silicon having an average grain size of not more than 5 .mu.m. The composite material offers good properties such as anti-seizure property and wear resistance. The composite material is suitable for sliding members. Aluminum borate whisker and potassium titanate whisker may be preferably used as the inorganic whisker.

REFERENCES:
patent: 5449421 (1995-09-01), Hamajima et al.

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