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首页> 外文会议>World conference on titanium >Effect of Aging Temperature on Microstructure and Mechanical Behavior of Aged Ti-10V-2Fe-3Al Alloy with Prestrain
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Effect of Aging Temperature on Microstructure and Mechanical Behavior of Aged Ti-10V-2Fe-3Al Alloy with Prestrain

机译：时效温度对时效Ti-10V-2Fe-3Al时效合金组织和力学行为的影响

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摘要

The effect of aging temperature on microstructure and mechanical behavior of aged Ti-10V-2Fe-3Al alloy with prestrain has been investigated. The results showed that stress-induced martensites appeared when the β-quenched Ti1023 alloy was stretched to 10% strain. Fine and dispersed a and β particles were observed after subsequent aging treatment at 510°C for short time.e. g. 0. 5h. But the martensitic decomposition at 400°C could not be completed until aging for 12h. The martensitic decomposition and the followed phase coarsening process could be accelerated with an increase of aging temperature. Vickers hardness analyses showed that when aged at 400°C and 450°C the hardness increased first and then gradually decreased with increasing aging times. However, when aged at 510°C a continuous decrease of hardness was exhibited.
机译：研究了时效温度对具有预应变的时效Ti-10V-2Fe-3Al合金的组织和力学行为的影响。结果表明，当β淬火的Ti1023合金拉伸至10％应变时，会出现应力诱发的马氏体。随后在510°C进行短时效处理后，观察到细小且分散的a和β颗粒。e。 G。 0. 5小时。但是直到12h时效，马氏体在400°C的分解才能完成。随着时效温度的升高，马氏体分解和随后的相粗化过程可以加速。维氏硬度分析表明，当在400°C和450°C时效时，硬度会先升高，然后随着时效时间的增加而逐渐降低。然而，当在510℃下老化时，显示出硬度的连续降低。

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