Plain bearing and method of manufacturing the same
a technology of plain bearings and bearings, which is applied in the field of plain bearings to achieve the effects of improving anti-fatigue properties, satisfactoring conformability, and improving bearing properties
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example 1
[0028] First, a manufacturing method of Example 1 of the present invention will be described. In a method of Example 1, a Sn-and-Si-rich layer was formed through a laser cladding process.
[0029] Al alloys of the present invention shown in Table 1, which did not contain Sn, were cast. Thereafter, rolling and annealing were repeated, and plate materials (see FIG. 1A) having a thickness of 8.0 mm were prepared. Each plate material was used as a base material 1 formed of the Al alloy which does not contain Sn. Compositions of the Al alloys are shown in Table 1 (see Nos. 1 to 11 of the present invention). Each cast aluminum alloy does not contain Sn.
[0030] Powder of Si or an Al-40Si alloy, and powder of Sn were used as a supplied powder, and they were mixed at each mass ratio shown in Table 1. The mixed powder was spread on the upper surface of the base material 1. Laser beam was irradiated on the upper surface of the base material 1, so that the spread powder and an Al alloy in close v...
example 2
[0034] Next, a manufacturing method of Example 2 will be described. In this method, the Sn-and-Si-rich layer was formed using a cold spraying process.
[0035] In the same manner as in Example 1, Al alloys of the present invention shown in Table 1, which did not contain Sn, were cast. Thereafter rolling and annealing were repeated, and plate materials (see FIG. 1A) having a thickness of 8.0 mm were prepared. Each plate material was used as a base material 1 formed of the Al alloy which does not contain Sn. Compositions of the Al alloys are shown in Table 1 (see Nos. 1 to 11 of the present invention). Each cast aluminum alloy does not contain Sn.
[0036] Powder of Si or an Al-40Si alloy, and powder of Sn were used as a supplied powder, and they were mixed at each mass ratio shown in Table 1. The mixed powder was struck onto the surface of the base material 1 by the cold spraying process, and a layer 8 containing Sn and Si which contains more Sn 2 and Si 3 than the inside of the base mat...
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Abstract
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