| 止回阀焊缝安全评定研究 |
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| 引用本文： | 刘绍锋,石桂荣,邓斌,祝捷. 止回阀焊缝安全评定研究[J]. 阀门, 2010, 0(1): 24-26 |
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| 作者姓名： | 刘绍锋 石桂荣 邓斌 祝捷 |
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| 作者单位： | 沈阳盛世高中压阀门有限公司;中国人民解放军驻沈阳军事代表局; |
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| 摘 要： | 分析了复杂载荷条件下止回阀焊缝的应力分布,研究了焊接模拟试件的拉伸性能、冲击韧性、断裂韧性、疲劳性能、疲劳裂纹扩展速率和门槛值等性能,采用国际上应用的安全评定体系BS7910对止回阀环焊缝中存在的未熔合缺陷进行了安全评定。
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| 关 键 词： | 止回阀 焊缝 评定 检测 |
Evaluation research on weld safety for check valve |
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| LIU Shao-feng,SHI Gui-rong,DENG Bin,ZHU Jie. Evaluation research on weld safety for check valve[J]. Valve, 2010, 0(1): 24-26 |
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| Authors: | LIU Shao-feng SHI Gui-rong DENG Bin ZHU Jie |
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| Affiliation: | 1.Shenyang Shengshi High and Medium Pressure Valve Co.;Ltd;Shenyang 110142;China;2.P.L.A Military Representative Bureau resided in Shenyang;China |
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| Abstract: | Analyses weld stress distribution of check valve under complicated load conditions;studies performance such as tensile properties,impact ductility,fracture toughness,fatigue property,crack fatigue propagation rate and threshold value,etc,for weld simulated specimens;adopts the safety evaluation system BS 7910 used in the world to implement safety qualification for the incomplete fusion defects existed in the ring welds of check valve. |
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| Keywords: | check valve welding evaluation check |
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