Lead-free bimetallic sliding bearing
A technology of sliding bearings and bimetals, which is applied in the direction of bearing components, shafts and bearings, rolling resistance optimization, etc., and can solve problems such as increased wear, temperature rise, and test failure
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Embodiment 1
[0012] Embodiment 1 is with 1.5mm thick high-quality carbon steel plate, on a surface of steel plate, one deck bronze powder is sintered by traditional process, and the weight percent composition of bronze powder is: Cu 89.69%; Sn 8.44%; Ni 1.30%; In 0.08 %; the balance is unavoidable impurities, and the particle size of the bronze powder is less than 100 μm. The material of the lead-free bimetallic bearing disclosed in this patent is prepared. Make various samples according to the following requirements, and measure the test data.
[0013] 1. Copper layer hardness: 69.0HB (specimen size 37mm×37mm×2mm)
[0014] 2. Compression deformation: (specimen size 10mm×10mm×2mm)
[0015] Positive pressure MPa
Compression deformation mm
100
0
200
0.002
250
0.006
300
0.007
[0016] 3. Test of bonding fastness between copper layer and steel plate (specimen size 150mm×20mm×2mm)
[0017] The vise clamps the test piece...
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