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首页> 外文期刊>Journal of Materials Engineering and Performance >Acquiring a Novel Constitutive Equation of a TC6 Alloy at High-Temperature Deformation
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Acquiring a Novel Constitutive Equation of a TC6 Alloy at High-Temperature Deformation

机译：在高温变形下获得TC6合金的新本构方程

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摘要

The TC6 alloy produced in Baoji nonferrous metals work, Xian, China, is one of the best titanium alloys with good resistance against heat and corrosion and is widely used in the aviation and aerospace industries. In this paper, isothermal compression tests were conducted on the TC6 alloy in the Thermecmastor Z simulator, at temperatures between 800 and 1040 deg C at strain rates between 0.001 and 50 s~(-1) to a 50 percent height reduction. The experimental results are presented as variations of flow stress with deformation temperature, strain rate, and strain. On the basis of the present experimental results and deformation behavior, a constitutive equation for the TC6 alloy was proposed by employing an Arrhenius-type equation. The activation energy of deformation (Q) and work-hardening index (Q) are found to be a function of strain. The present equation is in good agreement with the experimental data.
机译：中国西安市宝鸡有色金属厂生产的TC6合金是最好的钛合金之一，具有良好的耐热性和耐腐蚀性，已广泛用于航空和航天工业。在本文中，在Thermecmastor Z仿真器中对TC6合金进行了等温压缩试验，温度为800至1040摄氏度，应变速率为0.001至50 s〜（-1），高度降低了50％。实验结果表示为流动应力随变形温度，应变速率和应变的变化。根据目前的实验结果和变形行为，利用阿伦尼乌斯型方程提出了TC6合金的本构方程。发现变形的激活能（Q）和加工硬化指数（Q）是应变的函数。本方程与实验数据吻合良好。

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