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ZL108合金淬火敏感性的研究

刘志勇,王明星,翁永刚,王雪青,杨勇

Zhengzhou Daxue Xuebao/Journal of Zhengzhou University（2001）

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Abstract
考察了ZL108合金在不同淬火速率下的综合机械性能，研究了合金的淬火敏感性，并初步确定了该合金较佳的淬火速率.实验结果表明：合金的屈服强度σ0.2与淬火速率δ′的对数值之间存在着线性关系，σ0.2=48.99log(δ′)+226.6(MPa).当淬火速率由0.7℃/s升高至33.7℃/s，合金的抗拉强度σb、伸长率δ5以及断裂吸收功E上升；而当淬火速率继续升高至63.5℃/s时，σb,δ5和E明显降低.在60℃水中淬火,即淬火速率为33.7℃/s时，ZL108合金的综合性能较好.
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Key words
Quench rate,Quench sensitivity,ZL108 alloy
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