| 旋转摩擦挤压合金化制备Ti-Al金属间化合物工艺研究 |
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| 引用本文： | 金龙,李建萍,柯黎明,邢丽. 旋转摩擦挤压合金化制备Ti-Al金属间化合物工艺研究[J]. 南昌航空工业学院学报, 2009, 23(2): 16-20 |
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| 作者姓名： | 金龙 李建萍 柯黎明 邢丽 |
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| 作者单位： | 南昌航空大学材料科学与工程学院,江西,南昌,330063 |
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| 摘 要： | 采用显微硬度(HV)和X射线衍射(XRD)分析了旋转摩擦挤压合金化制备的Ti-Al金属间化合物.结果表明:通过旋转摩擦挤压法可制备出Al3Ti相Ti-Al金属间化合物;当搅拌棒的旋转速度为750r/min时,可提高Ti的反应程度,有利于反应的进行,并可获得成分分布均匀的Ti-Al金属间化合物.经过750r/min、23.5mm/min的旋转摩擦挤压5道次后,Ti的反应程度达78.96%,合金化区域的平均显微硬度在90HV左右.
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| 关 键 词： | 旋转摩擦挤压 合金化 工艺 |
Studies on the Process of Ti-Al Intermetallic Compound by Circumrotate Friction Extrusion |
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| JIN Long,LI Jian-ping,KE Li-ming,XING Li. Studies on the Process of Ti-Al Intermetallic Compound by Circumrotate Friction Extrusion[J]. Journal of Nanchang Institute of Aeronautical Technology(Natural Science Edition), 2009, 23(2): 16-20 |
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| Authors: | JIN Long LI Jian-ping KE Li-ming XING Li |
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| Affiliation: | School of Muterial Science and Engineering;Nanchang Hangkong University;Nanchang;Jiangxi 330063;China |
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| Abstract: | Ti-Al intermetallic compounds prepared by circumrotate friction extrusion method were investigated by HV and X-ray diffraction(XRD).The result shows that Ti-Al intermetallic compounds with Al3Ti phase were prepared by the method of circumrotate friction extrusion.When the rotation speed of the muddler is 750r/min,we can promote the reaction of Ti and get a better distributional Ti-Al intermetallic compound.The result of HV and XRD shows that,the reaction speed reaches 78.96% after 5-time extrusion with the ... |
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| Keywords: | Al3Ti |
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