Highly wear-resistant screw mixer shaft or similar machine parts for use in the construction industry and of the building material for a polyquinazolone ends single joint

摘要

A wear resistant worm, mixer shaft or similar machine component, for use in the building industry, comprises a metallic base material (1) with a highly wear resistant alloy (3) over the region in contact with the housing (2). The alloy consists of 0.75 pts. C, 4.3 pts. Si, 15 pts. Cr, 3.5 pts Fe, 3.1 pts B and the rest Ni. The alloy is applied by diffusion spraying, and is up to 1mm thick.