| 轧制变形对TiNiFe形状记忆合金组织结构及力学性能的影响 |
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| 引用本文： | 钱艳萍,刘福顺,李岩,徐惠彬.轧制变形对TiNiFe形状记忆合金组织结构及力学性能的影响[J].航空学报,2006,27(2):336-340. |
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| 作者姓名： | 钱艳萍 刘福顺 李岩 徐惠彬 |
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| 作者单位： | 北京航空航天大学,材料科学与工程学院,北京,100083 |
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| 摘 要： | 对不同变形量轧制和不同温度热处理的Ti50Ni47Fe3合金的组织结构、力学性能进行了研究。X射线衍射结果表明,随着轧制变形量的增加,Ti50Ni47Fe3合金在轧制方向上出现了择优取向;Ti50Ni47Fe3合金的晶粒尺寸随着轧制变形量的增加而减小,随着热处理温度的升高而增大;Ti50Ni47Fe3合金的抗拉强度和屈服强度随着轧制变形量的增加而增大,随热处理温度的升高而降低。
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| 关 键 词： | Ti50Ni47Fe3形状记忆合金 轧制变形 择优取向 晶粒度 力学性能 |
| 文章编号： | 1000-6893(2006)02-0336-05 |
| 修稿时间： | 2004年11月9日 |
Influence of Rolling Deformation on the Structural and Mechanical Properties of TiNiFe Shape Memory Alloys |
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| QIAN Yan-ping,LIU Fu-shun,LI Yan,XU Hui-bin.Influence of Rolling Deformation on the Structural and Mechanical Properties of TiNiFe Shape Memory Alloys[J].Acta Aeronautica et Astronautica Sinica,2006,27(2):336-340. |
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| Authors: | QIAN Yan-ping LIU Fu-shun LI Yan XU Hui-bin |
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| Institution: | School of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | The influence of rolling deformation and heat treatment temperature on structures, mechanical properties is studied. The results of X-ray diffraction(XRD) show that preferred orientation is found in the direction of rolling in Ti_ 50 Ni_ 47 Fe_3 alloy. The grain size of Ti_ 50 Ni_ 47 Fe_3 alloy becomes smaller as deformation of rolling increases,but grows bigger while temperature of heat treatment rises. The fracture strength becomes higher while the deformation of Ti_50Ni_47 Fe_3 alloy increases or the temperature of heat treatment lowers. |
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| Keywords: | Ti_(50)Ni_(47)Fe_3 shape memory alloy rolling deformation preferred orientation grain size mechanical properties |
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