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首页> 外文会议>THERMEC 2011;International conference on processing manufacturing of advanced materials >Mechanical Properties of Ti-Cr-Sn-Zr Alloys with Low Young's Modulus
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Mechanical Properties of Ti-Cr-Sn-Zr Alloys with Low Young's Modulus

机译：低杨氏模量的Ti-Cr-Sn-Zr合金的力学性能

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This work investigates the mechanical properties of Ti-Cr-Sn-Zr alloys containing large amount of Zr. We focuses on the effect of the varying alloy composition on the microstmcture, the Young's modulus, the deformation mechanism and the deformation behavior. Ti-Cr-Sn-Zr alloys show much low Young's modulus in the narrow composition range for Cr but wide for Zr. The Young's modulus of Ti-2Cr-6Sn-xZr (x=5～60mass%) alloy decreases with increasing Zr and shows the minimum value of 41GPa in Ti-2Cr-6Sn-45Zr alloy. The alloys with low Young's modulus consist in meta-stable β phase. The composition of the meta-stable β phase is close to the transition where the quenched microstmcture transits from martensite to meta-stable β phase. Ti-2Cr-6Sn-45Zr alloy with lowest Young's modulus show the super-elastic property.
机译：这项工作研究了含有大量Zr的Ti-Cr-Sn-Zr合金的机械性能。我们着眼于变化的合金成分对显微组织，杨氏模量，变形机理和变形行为的影响。 Ti-Cr-Sn-Zr合金在窄的Cr组成范围内显示出低的杨氏模量，而在Zr的范围内显示出很低的杨氏模量。 Ti-2Cr-6Sn-xZr（x = 5〜60mass％）合金的杨氏模量随Zr的增加而减小，在Ti-2Cr-6Sn-45Zr合金中表现出41GPa的最小值。杨氏模量低的合金为亚稳态β相。亚稳定β相的组成接近于淬火的微观结构从马氏体转变为亚稳定β相的过渡。杨氏模量最低的Ti-2Cr-6Sn-45Zr合金具有超弹性。

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