采用硫化氢腐蚀试验、金相显微镜和扫描电镜(SEM)观察及EDS分析研究了非金属夹杂物和微观组织对X65管线钢氢致裂纹(HIC)萌生和扩展的影响.研究表明:晶界、相界、脆硬的非金属夹杂物是钢中的氢陷阱.夹杂物的尺寸、形态及类型影响管线钢的HIC敏感性.HIC不易在小尺寸球形夹杂物上萌生,而长条和具有尖角的非金属夹杂物使钢具有高HIC敏感性,Ca处理能使夹杂形态趋于分散的球形,降低钢的HIC敏感性;HIC裂纹易在脆硬的富Si夹杂物处萌生和扩展.与铁素体组织相比,HIC更易在脆硬的贝氏体组织中扩展,HIC可沿着晶界或穿过晶界扩展.
参考文献
| [1] | Chao-fang Dong,Kui Xiao,Zhi-yong Liu,Wen-jing Yang,Xiao-gang Li.Hydrogen induced cracking of X80 pipeline steel[J].矿物冶金与材料学报,2010(05):579-586. |
| [2] | Ping Liang,Cui-wei Du,Xiao-gang Li,Xu Chen,Zhang liang.Effect of hydrogen on the stress corrosion cracking behavior of X80 pipeline steel in Ku'erle soil simulated solution[J].矿物冶金与材料学报,2009(04):407-413. |
| [3] | Huang, F.;Li, X.G.;Liu, J.;Qu, Y.M.;Jia, J.;Du, C.W. .Hydrogen-induced cracking susceptibility and hydrogen trapping efficiency of different microstructure X80 pipeline steel[J].Journal of Materials Science,2011(3):715-722. |
| [4] | 尹成先,兰新哲,霍春勇,冯耀荣.影响油气输送管线抗HIC因素探讨[J].焊管,2002(05):20-24. |
| [5] | 冯朋飞,李春福,龚丹梅,申文竹,陈功剑,傅爱红.晶粒度对35CrMo钢氢致开裂行为的影响[J].腐蚀与防护,2012(01):12-15. |
| [6] | Arafin, M.A.;Szpunar, J.A. .Effect of bainitic microstructure on the susceptibility of pipeline steels to hydrogen induced cracking[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2011(15):4927-4940. |
| [7] | Role of microstructure, composition and hardness in resisting hydrogen embrittlement of fastener grade steels[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2010(4):1237. |
| [8] | 曲炎淼,黄峰,刘静,袁玮.显微组织对X80钢氢致裂纹敏感性和氢捕获效率的影响[J].材料研究学报,2010(05):508-512. |
| [9] | H.B. Xue;Y.F.Cheng .Characterization of inclusions of X80 pipeline steel and its correlation with hydrogen-induced cracking[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(4):1201-1208. |
| [10] | Shuqi Zheng;Changfeng Chen;Liqiang Chen .Influence of S Contents on the Hydrogen Blistering and Hydrogen Induced Cracking of A350LF2 Steel[J].Materials sciences and applications,2011(7):917-921. |
| [11] | 崔海伟,蔡庆伍,武会宾,焦多田.X70级管线钢抗H2S酸性性能研究[J].热加工工艺,2009(14):44-47. |
| [12] | J. Nieto;T. Elias;G. Lopez;G. Campos;F. Lopez;R. Garcia;Amar K. De .Effective Process Design for the Production of HIC-Resistant Linepipe Steels[J].Journal of Materials Engineering and Performance,2013(9):2493-2499. |
| [13] | Mohammed A. Al-Anezi;Sanyasi Rao .Challenges in Procurement of HIC Resistant Steel Pipes[J].Journal of Failure Analysis and Prevention,2011(4):385-392. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%