Abstract
1. The wear resistant antifriction steel ShKh15-powder-based material ZhGr1.5Kh1.5, which is obtained by sintering from bearing-production waste, has the structure of sorbitelike pearlite and exhibits the porosity (18–20%) and hardness (HB 120–130) required for antifriction components. 2. In tests without lubrication and slip rates to 3 m/sec (Pv=3 MPa·m/sec), the wear resistance of the material ZhGr1.5Kh1.5 specimens is 3 times higher than that of specimens formed from rolled steel ShKh15 stock; the wear resistance of both materials is virtually identical as the slip rate increases to 5 m/sec. 3. Sintered material ZhGr1.5Kh1.5 is not only superior in terms of wear resistance during tests with limited lubrication, but outperforms rolled steel ShKh15 by 7–10 times under certain operating conditions (Pv=6–12 MPa·m/sec).
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