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冷拉拔变形量和时效温度对TB9钛合金丝材组织和性能的影响
发布人：上海艾荔艾金属材料有限公司www.shailiai.com
更新时间：2015-08-27
采用拉伸性能测试和扫描电镜观察等方法，研究了冷拉拔变形量和时效温度对TB9合金丝材显微组织和力学性能的影响。
冷拉拔变形量和时效温度对TB9钛合金丝材组织和性能的影响Effects of cold drawing deformation and aging temperature on
microstructure and mechanical properties of TB9 titanium alloy
采用拉伸性能测试和扫描电镜观察等方法，研究了冷拉拔变形量和时效温度对TB9合金丝材显微组织和力学性能的影响。结果表明：冷拉拔变形可以促进α相的弥散析出，随冷拉拔变形量增大，强度上升，塑性先升后降；经过30%冷拉拔变形的TB9合金具有良好的综合力学性能；在480~580
℃时效，随时效温度升高，α相粗化，强度随之下降。
The effects of cold drawing deformation and aging
temperature on microstructures and tensile properties of TB9 titanium alloy wire
were studied using tensile test and scanning electron microscopy. It is shown
that cold drawing promotes the dispersed precipitation of α phase, and the
strength increases while the plasticity rises at first and then decreases with
rising the cold drawing deformation. Good mechanical property of TB9 alloy is
obtained after 30% cold drawing deformation. α phase is coarsened and the
strength decreases with increasing the aging temperature in the range of 480-580
℃.
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