| 钛合金惯性摩擦焊接头断裂韧性的研究 |
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| 引用本文： | 宋西平,刘效方.钛合金惯性摩擦焊接头断裂韧性的研究[J].航空材料学报,1996,16(2):44-49. |
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| 作者姓名： | 宋西平 刘效方 |
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| 作者单位： | 西安交通大学，北京航空材料研究所，陕西理工大学 |
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| 摘 要： | 对钛合金惯性摩擦焊接头的断裂韧性（ＣＴＯＤ）进行了研究，并用光学显微镜和电子显微镜对裂纹尖端显微组织进行了分析。结果表明，焊态接头的断裂韧性较低，这主要与其显微组织细小有关，而焊后普通退火可以明显提高焊接接头的断裂韧性。
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| 关 键 词： | 钛合金，惯性摩擦焊，焊接接头，断裂韧性 |
THE STUDY OF FRACTURE TOUGHNESS OF JOINT OF INERTIA FRICTION WELDING OF TITANIUM ALLOYS |
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| Song Xiping ,Shao Tanhua, Wang Shiyan.THE STUDY OF FRACTURE TOUGHNESS OF JOINT OF INERTIA FRICTION WELDING OF TITANIUM ALLOYS[J].Journal of Aeronautical Materials,1996,16(2):44-49. |
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| Authors: | Song Xiping Shao Tanhua Wang Shiyan |
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| Abstract: | In this paper, .the fracture toughness of joint of titanium alloys by inertia frication welding has beenstudied and the microstructure of crack tip has been analysed. The results show that the fracture toughness of as-welded joint is lower. This is primcipally connected with its fine microstructure and the fracturetoughness of welded joint can be significantly improved by means of commercial annealing after welding. |
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| Keywords: | titanium alloy inertia friction welding welded joint fracture toughness |
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