采用光学显微分析、显微硬度测试和腐蚀试验方法研究了一种碳钢电阻焊管焊接区的显微组织和性能.结果表明:电阻焊后焊接区因冷却速率快形成马氏体组织,硬度高,焊接区存在明显的选择性腐蚀,沿焊缝方向形成腐蚀沟槽,沟槽腐蚀的敏感性高.焊后的相变热处理可消除焊接区的马氏体组织,得到与母材相近的组织,但熔合线主要以铁素体为主,其显微硬度比母材偏低,选择性腐蚀集中在熔合线,其沟槽腐蚀敏感性明显降低.
参考文献
| [1] | U S Department of Transportation report[R].Electric resistance weld pipe failures on hazardous liquid and gas transmission pipelines,1989. |
| [2] | Quicke G T;Rollins B C;Beavers J A.Analysis of seam weld related pipeline failures[J].Materials Science and Technology,2008(08):514-523. |
| [3] | 王荣.显微组织和热处理对直缝电阻焊管沟槽腐蚀的影响[J].金属学报,2002(12):1281-1286. |
| [4] | Rong Wang;Sheji Luo .Grooving corrosion of electric-resistance-welded oil well casing of J55 steel[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2013(Mar.):119-127. |
| [5] | Zongyue Bi;Rong Wang;Xiaotian Jing .Grooving corrosion of oil coiled tubes manufactured by electrical resistance welding[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2012(Apr.):67-73. |
| [6] | Charlie R B.Principles of the Heat Treatment of Plain Carbon and Low Alloy Steels[M].ASM International,1996 |
| [7] | Abdul Azim A A;Sanad S H .Effects of acid concentration,C-content,and temperature on the corrosion rate of steel in HCl[J].Corrosion Science,1972,12(04):313-324. |
| [8] | Jia Guo;Shanwu Yang;Chengjia Shang;Ying Wang;Xinlai He .Influence Of Carbon Content And Microstructure On Corrosion Behaviour Of Low Alloy Steels In A Cl~- Containing Environment[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2009(2):242-251. |
| [9] | D. CLOVER;B. KINSELLA;B. PEJCIC .The influence of microstructure on the corrosion rate of various carbon steels[J].Journal of Applied Electrochemistry,2005(2):139-149. |
| [10] | Effect of heat treatment on H_2S corrosion of a micro-alloyed C-Mn steel[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2009(10):2380. |
| [11] | Javier Sanchez;Jose Fullea;Carmen Andrade;Juan J. Gaitero;Antonio Porro .AFM study of the early corrosion of a high strength steel in a diluted sodium chloride solution[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2008(7):1820-1824. |
| [12] | Kellou-Kerkouche F;Benchettara A;Amara S .Effect of sodium dodecyl benzene sulfonate on the corrosion inhibition of Fe-1Ti-20C alloy in 0.5 M H2SO4[J].Materials Chemistry and Physics,2008,110(01):26-33. |
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%