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拉拔工藝對TA2管材織構(gòu)及性能的影響
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國家“973”計劃資助項目 (2011CB012805)


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

    本實驗成功將拉拔工藝應(yīng)用于TA2管材的制備，同時應(yīng)用不同錐角組合對TA2管材進行拉拔，對比了不同錐角組合對TA2管材的顯微組織及再結(jié)晶織構(gòu)的影響。結(jié)果表明：退火態(tài)拉拔管材表現(xiàn)為徑向織構(gòu)，且部分晶粒的(0002)基面法相同管材的宏觀軸向(AD)平行；微觀的晶粒取向?qū)懿暮暧^的力學性能有重要影響。單道次拉拔工藝制備的TA2管材其晶粒取向同軋制工藝制備的TA2管材存在明顯差異

    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,陳 昊,楊英麗,郭荻子.拉拔工藝對TA2管材織構(gòu)及性能的影響[J].稀有金屬材料與工程,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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  • 在線發(fā)布日期: 2015-05-29
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