| 摩擦焊接头组织与力学性能 |
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| 引用本文： | 崔兰,盛曾顺.摩擦焊接头组织与力学性能[J].天津大学学报(自然科学与工程技术版),1998,31(1):23-28. |
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| 作者姓名： | 崔兰 盛曾顺 |
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| 作者单位： | [1]天津大学机械工程学院 [2]大港石油机械厂 |
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| 摘 要： | 研究了变形速率对低合金结构钢摩擦焊接头组织与力学性能的影响，结果表明，增大变形速率和延长减速改善了接头区域的硬度分布，焊缝区宽度变窄，热影响软化区不明显，焊缝晶粒细化，使焊缝的韧性得到一定程度的改善，本文对接头各个区域的显微组织进行了分析。
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| 关 键 词： | 硬度 韧性 摩擦焊 焊接接头 显微组织 力学性能 |
STUDY ON THE STRUCTURE AND MECHANICAL PROPERTIES OF FRICTION WELDED JOINT |
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| Cui,Lan,Huo,Lixing,Zhang,Yufeng,Jing,Hongyang.STUDY ON THE STRUCTURE AND MECHANICAL PROPERTIES OF FRICTION WELDED JOINT[J].Journal of Tianjin University(Science and Technology),1998,31(1):23-28. |
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| Authors: | Cui Lan Huo Lixing Zhang Yufeng Jing Hongyang |
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| Abstract: | The effect of the burn off rate on the structure and mechanical properties of friction welded joints made of low alloy constructional steel has been studied.The results show that the increase in the burn off rate and deceleration time of friction welding has improved the hardness distribution through the joint.The weld width becomes narrower,and there is no clear heat affected softened zone.The weld has finer grains.The toughness of the weld has been improved in a certain degree.The microstructure of every region in the joint has been analysed. |
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| Keywords: | burn off rate hardness toughness grain size |
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