耐蚀性是影响管道可靠性的重要因素.其中氢致裂纹是管道的失效形式之一.笔者依据NACETM0284-96 HIC试验标准,对不同组份、不同成形工艺的管线钢的抗氢致裂纹性能进行了测试,研究了珠光体组织偏析带及C、Mn、S元素对管线钢氢致裂纹性能的影响.结果表明:随珠光体偏析带组织的产生,管线钢抗氢致裂纹性能下降;碳含量增加,将增强氢致裂纹敏感性;同时,Mn、S易造成低温组织、夹杂物和聚合物的偏析,将导致管线钢氢致裂纹敏感性的增强.
参考文献
[1] | 苗承武.西气东输工程及其管线管的选择[J].焊管,2000(03):26-31. |
[2] | 潘家华.西气东输工程[J].焊管,2000(03):21-25. |
[3] | Lyer R N;Takeuchi I;Zamanzadeh M et al.Hydrogen Su-lifide Effect on Hydrogen Entry Into Iron-a Mechanistic Study[J].Corrosion,1990,46(06):466. |
[4] | 王仪康.高压输气管线材料和相关问题[J].焊管,2000(03):84-89. |
[5] | GB 8650.88 1989.GB 8650.88 1989.管线钢抗阶梯型破裂试验方法[S]. |
[6] | NACE TM0 284-1996.NACE TM0 284-1996.NACE International 1990 Evaluation of Pipeline and Vessel Steels for Resistance to Hydrogen-lnduced Cracking[S]. |
[7] | Burk J D .Hydrogen-Induced Cracking in Surface Production Systems:Mechanism,Inspect Alien,Repair,and Prevention[J].SPE Production and Facilities,1996,11(01):49. |
[8] | HSIAO Chi-mai;CHU Wu-yang;ZHU Feng-wu.Some Con-tribution to the Understanding of the Mechanisms of Hydrogen Induced Cracking of Intermetallie Compound[A].Uniated States:Effect Hydrogen Be-havior Matem,1996:5557. |
[9] | 肖纪美.材料科学进展[M].北京:科学出版社,1986 |
[10] | Elboujdaini M;Shehata M T;Sastri V S.Hydrogen-Induced Cracking and Effect of Non-Metallic Inclusuin in Linepipe Steels[J].Corrosion,1987(09):748. |
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%