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TB10钛合金的动态力学性能及绝热剪切分析

Xiyou Jinshu / Chinese Journal of Rare Metals(2008)

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Abstract
利用分离式的H0pkinson压杆,得到了不同组织状态的近β型TB10钛合金在高应变率下的动态压缩应力.应变曲线,结果表明:TB10钛合金的三种组织状态都表现出应变率敏感性.通过光学显微镜分析其显微组织的变化规律,结果表明:两相区固溶+时效、两相区固溶+双重时效的试样中均可观察到明显的绝热剪切带,且沿剪切带出现裂纹;单一固溶态试样金相观察表明晶粒的变形是均匀的.没有观察到绝热剪切带.在单一固溶态试样中出现了应力诱发马氏体相.
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Key words
Adiabatic shearing,High strain rate,Microstructure,Near-β TB10 titanium alloy
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