| 大尺寸金属焊接接头低温CTOD试验研究 |
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| 引用本文： | 张小鹏,刘增利,刘维波,李仑.大尺寸金属焊接接头低温CTOD试验研究[J].大连理工大学学报,2001,41(2):144-148. |
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| 作者姓名： | 张小鹏 刘增利 刘维波 李仑 |
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| 作者单位： | 大连理工大学工程力学系, 辽宁大连 116024 |
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| 摘 要： | 完成了用于寒冷海区半潜式采油平台的高韧性金属材料大尺寸焊接试件缝金属区及焊接热影响区的CTOD（裂纹尖端张开嘴位移）试验，获得了焊缝金属区和热影响区的低温CTOD值，讨论了试验方法及试验现象。
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| 关 键 词： | 金属焊接接头 低温CTOD试验 焊缝金属区 焊接热影响区 断裂力学 裂纹尖端张开嘴位移 |
| 文章编号： | 1000-8608(2001)02-0144-05 |
Study of low temperature CTOD of large scale welding metal experiment |
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| ZHANG Xiao peng,LIU Zeng li,LIU Wei bo,LI Lun.Study of low temperature CTOD of large scale welding metal experiment[J].Journal of Dalian University of Technology,2001,41(2):144-148. |
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| Authors: | ZHANG Xiao peng LIU Zeng li LIU Wei bo LI Lun |
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| Abstract: | Crack tip opening displacement (CTOD) tests of large scale welding joint under low temperature are accomplished. These tests have been done for semi sunk platform which will be used in severe cold ocean regions. Through these tests, the authors have obtained the CTOD value for welding region and heat affected zone under low temperature. Besides, experiment methods and some phenomena during tests are discussed. |
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| Keywords: | metal welding joints welds/heat affected zone CTOD test under low temperature |
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