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X80钢管焊接接头断裂韧性试验分析
引用本文:武战学,党恩,刘宏亮,李继红,张锦钢.X80钢管焊接接头断裂韧性试验分析[J].焊管,2011,34(3):29-32.
作者姓名:武战学  党恩  刘宏亮  李继红  张锦钢
作者单位:1. 宝鸡石油机械有限责任公司,陕西宝鸡,721002
2. 西安理工大学,西安,710048
3. 宝鸡石油钢管有限责任公司,陕西宝鸡,721008
摘    要:通过对进口钻井隔水管X80钢管进行理化性能分析,了解了国外钻井隔水管材料的性能水平,为隔水管国产化工作的开展提供了一些参考数据;通过对X80管线钢焊接接头的CTOD试验研究,发现焊接接头的断裂韧性在热影响区相对较弱;通过对比分析焊接接头的夏比冲击功和CTOD试验结果,表明CTOD试验对材料的断裂韧性评价是可靠的.

关 键 词:X80钢  钻井隔水管  CTOD试验  断裂韧性

The Analysis on Fracture Toughness Test of X80 Steel Pipe Welding Joint
WU Zhan-xue,DANG En,LIU Hong-liang,LI Ji-hong,ZHANG Jin-gang.The Analysis on Fracture Toughness Test of X80 Steel Pipe Welding Joint[J].Welded Pipe and Tube,2011,34(3):29-32.
Authors:WU Zhan-xue  DANG En  LIU Hong-liang  LI Ji-hong  ZHANG Jin-gang
Affiliation:1.Baoji Oilfield Machinery Co.,Ltd.,Baoji 721002,Shaanxi,China; 2.Xi’an University of Technology,Xi’an 710048,China; 3.Baoji Petroleum Steel Pipe Co.,Ltd.,Baoji 721008,Shaanxi,China)
Abstract:Through analysis on physical and chemical properties of X80 steel pipe for the imported drilling riser,its properties were obtained,and this will provide some reference data for developing the domestic riser;meanwhile,after research on CTOD test of X80 pipeline steel welding joints,it found that the fracture toughness was relative weak in HAZ;by comparing Charpy impact energy and CTOD test results,it showed that the fracture toughness assessment of CTOD test was reliable.
Keywords:X80 steel  drilling riser  CTOD test  fracture toughness
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