Wear-resistant molybdenum-iron boride alloy and method of making

Details Wear-resistant molybdenum-iron boride alloy and method of making Wear-resistant molybdenum-iron boride alloy and method of making

1978-09-05

1980-11-25

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75123B, 75123J, 75176, 75203, 75204, B22F 300

Patent

active

042356300

ABSTRACT:
A wear-resistant, molybdenum-iron boride alloy (10) has a microstructure of a primary boride phase (12) and a matrix phase (14). The primary boride phase (12) comprises molybdenum alloyed with iron and boron, and the matrix phase (14) comprises one of iron-boron in iron and iron-molybdenum in iron and has a hardness less than that of the primary boride phase (12). The subject alloy finds particular utility in a composite material on a ground-engaging tool such as a cutting edge or ripper tooth, and can also be used for wear-resistant coatings, machine tool inserts, bearings, and the like.

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Kolomysteu et al., Poroshkovaya Metallurgiya, 8-66.
Metcalfe, "Cemented Borides for Tools Materials", 3-56.n 30 Steinitz et al., "New Ternary Boride Compounds", Powder Metallurgy, Bull. 2-53.
Haschke, H. et al., "Untersuchungen in den Dreistoffen: {Mo,W}-{Fe,Co,Ni}-B, in Monat. fur Chemie", 97(5): 1459-1468, 1966.

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