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首页> 外文会议>2006 BIMW >Investigation on Wear Resistance of Al-Si-Ti Piston Alloys Produced by Electrolysis
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Investigation on Wear Resistance of Al-Si-Ti Piston Alloys Produced by Electrolysis

机译：电解制备的Al-Si-Ti活塞合金的耐磨性研究

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The wear resistance, microstructures, worn surface morphology, TiAl_3 phases, eutectic Si particles and the high density of dislocations of the Al-Si-Ti piston alloys have been studied by means of SEM and TEM. The electrolytic low-titanium aluminium alloys were used to make the Al-Si-Ti pistons alloy, the experiment results showed that the wear resistance of the Al-Si-Ti alloy was 1.49 times of that of the Al-Si alloy, and the wear mechanism was mainly plastic deformation wear. The relationship between wear resistances and the yield strength of the Al-Si-Ti piston alloys were established, and the wear mechanism investigated by mean of plastic-elasticity theory. When Ti content is reached to 0.12%, the yield strength of the Al-Si-Ti piston alloy increased from 255 Mpa to 358 Mpa.
机译：通过SEM和TEM研究了Al-Si-Ti活塞合金的耐磨性，显微组织，磨损的表面形貌，TiAl_3相，共晶Si颗粒和高位错密度。用电解低钛铝合金制造Al-Si-Ti活塞合金，实验结果表明，Al-Si-Ti合金的耐磨性是Al-Si合金的1.49倍，磨损机理主要是塑性变形磨损。建立了Al-Si-Ti活塞合金的耐磨性与屈服强度之间的关系，并通过塑性弹性理论研究了其磨损机理。当Ti含量达到0.12％时，Al-Si-Ti活塞合金的屈服强度从255 Mpa增加到358 Mpa。

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