Tribological behaviours of Ti3SiC2 under current carrying conditions
作者： Q. D. Xiao , S. Wu
DOI: 10.1179/1743676114Y.0000000193
关键词: Oxide 、 Sintering 、 Current (fluid) 、 Tribology 、 Amorphous solid 、 Bearing (mechanical) 、 Materials science 、 Infiltration (hydrology) 、 Metallurgy 、 Electric current
摘要: High purity Ti3SiC2 samples were prepared by infiltration sintering method. The tribological behaviours of high pure bulk dry sliding against a GCr15 bearing steel disc experimentally investigated on pin type tester under different speeds from 5 to 50 m s−1, electric currents 0 60 A and normal pressures 0·1 0·6 MPa. It was found that the sample exhibits an increasing friction coefficient (0·15–0·71) wear rate (0·91–4·69×10−6 mm3 N−1 m−1) with current A; pressure (0·1–0·6 MPa) speed (5–50 s−1) also have complex but relatively weak influence them. changes can be attributed presence frictional oxide film consisting amorphous mixture Si, Ti Fe oxides surface. formed, percentage coverage higher when A. could ...
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