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拉拔工艺对TA2管材织构及性能的影响
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国家“973”计划资助项目 (2011CB012805)


Effect of Drawing Processing on Mechanical Properties and Textures of TA2 Pipes
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    摘要:

    本实验成功将拉拔工艺应用于TA2管材的制备,同时应用不同锥角组合对TA2管材进行拉拔,对比了不同锥角组合对TA2管材的显微组织及再结晶织构的影响。结果表明:退火态拉拔管材表现为径向织构,且部分晶粒的(0002)基面法相同管材的宏观轴向(AD)平行;微观的晶粒取向对管材宏观的力学性能有重要影响。单道次拉拔工艺制备的TA2管材其晶粒取向同轧制工艺制备的TA2管材存在明显差异

    Abstract:

    Commercially pure titanium (TA2) pipes were prepared by drawing processing with different angles. The effect of the angles on the microstructures and mechanical properties of the titanium pipes were investigated. Meanwhile the type of textures was researched by X-ray diffraction. The results show that the annealed samples which are drawn in different angles possess two different grain orientations, (0002) basal plane parallel to the transversal section and c axis of the hexagonal close-packed parallel to axial direction of the pipe. Both crystal orientations influence the mechanical properties of the drawing pipes significantly. There are obvious differences in the type of textures between TA2 pipes by the drawing method only and the rolling method.

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邢 健,陈 昊,杨英丽,郭荻子.拉拔工艺对TA2管材织构及性能的影响[J].稀有金属材料与工程,2015,44(2):485~488.[Xing Jian, Chen Hao, Yang Yingli, Guo Dizi. Effect of Drawing Processing on Mechanical Properties and Textures of TA2 Pipes[J]. Rare Metal Materials and Engineering,2015,44(2):485~488.]
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  • 收稿日期:2014-02-10
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  • 在线发布日期: 2015-05-29
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