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| 喷丸强化改善管线钢X80焊接接头SCC行为研究 | |
| 引用本文： | 鲜宁,刘道新,任呈强,姜放.喷丸强化改善管线钢X80焊接接头SCC行为研究[J].腐蚀科学与防护技术,2008,20(6). |
| 作者姓名： | 鲜宁 刘道新 任呈强 姜放 |
| 作者单位： | 1. 酸性油气田材料腐蚀检测评价中心,成都,610017;西北工业大学腐蚀与防护研究事,西安,7100721 2. 西北工业大学腐蚀与防护研究事,西安,710072 3. 西南石油大学,成都,610500 4. 酸性油气田材料腐蚀检测评价中心,成都,610017 |
| 基金项目： | 石油管力学和环境行为重点实验室开放基金资助 |
| 摘 要： | 采用应力环试验研究了在H2S环境下,喷丸强化及其后处理技术对X80管线钢焊接接头应力腐蚀开裂(SCC)行为的影响和喷丸强化及其后处理前后焊接接头的显微组织结构变化.结果表明:由于残余压应力和晶粒细化的共同作用,喷丸强化能有效改善X80钢焊接接头抗SCC的能力;若喷丸强化后再表面磨光,则可以进一步改善喷丸强化提高SCC抗力的效果. |
| 关 键 词： | 喷丸强化 应力环 应力腐蚀 焊接接头 |
IMPROVEMENT OF SCC BEHAVIOR OF PIPELINE STEEL X80 WELD JOINT BY SHOT PEENING |
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| XIAN Ning,LIU Dao-xin,REN Cheng-qiang,JIANG Fang.IMPROVEMENT OF SCC BEHAVIOR OF PIPELINE STEEL X80 WELD JOINT BY SHOT PEENING[J].Corrosion Science and Protection Technology,2008,20(6). | |
| Authors: | XIAN Ning LIU Dao-xin REN Cheng-qiang JIANG Fang |
| Affiliation: | XIAN Ning1,2,LIU Dao-xin2,REN Cheng-qiang3,JIANG Fang11.Material Corrosion Test , Evaluation Center in Sour Gas , Oil Fields of Sichuan Petroleum Administration,Chengdu 610017,2.Corrosion , Protection Research Lab.of NWPU,Xi\'an 710072,3.Southwest Petroleum University,Chengdu 610500 |
| Abstract: | The influence of shot peening on stress corrosion cracking(SCC) behavior of X80 pipeline steel weld joint was investigated by the stress ring test.Microstructure of X80 steel welded joint after shot peening and post heat-treatment was examined.The results showed that the SCC resistance(SCCR) of the weld joints of pipeline steel X80 could be effectively improved by shot peening.The SCCR could be further improved by promptly polishing the surface after shot peening. |
| Keywords: | X80 |
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