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.
参考文献
| [1] | L W Tsay,Y C Chen.Sulfide stress corrosion cracking and fatigue crack growth of welded TMCP API 5L X65 pipe-line steel[J].International Journal of Fatigue,2001 (23):103. |
| [2] | 奚运涛,刘道新,张晓化.X80焊管H2S环境应力腐蚀开裂行为研究[J].石油机械,2006,34(8):7. |
| [3] | Y F Al-obaid.The effect of shot penning on stress corrosion cracking behavior of 2205-duplex stainless steel[J].Engineering Fracture Mechanics,1995,51(1):19, |
| [4] | 倪红芳,凌祥,彭薇薇.玻璃喷丸处理提高304不锈钢焊接接头抗应力腐蚀性能的研究[J],中国腐蚀与防护学报,2005,25(3):152. |
| [5] | Tiansheng Wang,Jinku Yu,Beijngfeng Dong.Surface nanocrystallization induced by shot peening and its effect on corrosion resistance of 1Cr18Ni9Ti stainless steel[J].Surface &Coatings Technology,2006,200:4777. |
| [6] | F A Guo,N Trannoy,J Lu.Analysis of thermal properties by scanning thermal microscopy in nanocrystaUized iron surface included by ultrasonic shot peening[J].Materials Science and Engineering,2004,369(A):36. |
| [7] | F A Guo,N Trannoy,J Lu.Microstructural analysis by scanning thermal microscopy of a nanocrystalline Fe surface induced by ultrasonic shot peening[J].Superlattices and Microstrucures,2004,35:445. |
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