Al-Ti-C和Al-Ti-B对活塞用共晶铝硅合金力学性能的影响

Internal Combustion Engine & Parts(2016)

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Abstract
通过在共晶铝硅合金中分别添加不同数量的Al-Ti-C和Al-Ti-B,研究二者对共晶铝硅合金力学性能的影响.试验表明,Al-Ti-C和Al-Ti-B均可显著提高共晶铝硅合金常温及300℃抗拉强度、延伸率,当添加量达到合金液重量的0.1%时,合金抗拉强度、延伸率均达到峰值,继续增加添加量合金抗拉强度、延伸率无显著变化;Al-Ti-C和Al-Ti-B对共晶铝硅合金力学性能的影响相当.
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