采用慢应变速率拉伸试验研究了 X90管线钢(母材)及焊缝在空气和近中性 NS4溶液中的应力腐蚀开裂(SCC)行为。结果表明：试验钢母材和焊缝在近中性 NS4溶液中具有一定的SCC 敏感性，且焊缝的敏感性高于母材的，主要表现为塑性损失；母材及焊缝在空气中的拉伸断口表现为典型的韧窝微孔型韧性断裂，在 NS4溶液中表现为混合断裂特征。
Stress corrosion cracking (SCC)behavior of weld and base metal of X90 pipeline in air and near-neutral NS4 solution was investigated by using slow strain rate test.The results indicate that the base metal and weld were sensitive to SCC to a certain degree in near-neutral NS4 solution.The sensitivity of weld was higher than that of base metal and there was mainly plastic loss.The tensile fracture of base metal and weld in air exhibited typical dimple-microvoid ductile fracture, and the tensile fracture in NS4 solution exhibited mixed fracture characteristics.
参考文献
| [1] | 王晓香.当前管线钢管研发的几个热点问题[J].焊管,2014(04):5-13. |
| [2] | 李鹤林;吉玲康.西气东输二线高强韧性焊管及保障管道安全运行的关键技术[J].世界钢铁,2009(1):56-64. |
| [3] | 夏佃秀;王学林;李秀程;由洋;尚成嘉.X90级别第三代管线钢的力学性能与组织特征[J].金属学报,2013(3):271-276. |
| [4] | SUN XinJun;LI ZhaoDong;YONG QiLong;YANG ZhiGang;DONG Han;WENG YuQing.Third generation high strength low alloy steels with improved toughness[J].中国科学:技术科学（英文版）,2012(7):1797-1805. |
| [5] | 聂文金;尚成嘉;关海龙;张晓兵;陈少慧.铁素体/贝氏体（F/B）双相钢组织调控及其抗变形行为分析[J].金属学报,2012(3):298-306. |
| [6] | 聂文金;尚成嘉;由洋;张晓兵;Sundaresa Subramanian.抗变形X100管线钢模拟焊接热影响区的组织与韧性研究[J].金属学报,2012(7):797-806. |
| [7] | NIE WenJin;WANG XueMin;WU ShengJie;GUAN HaiLong;SHANG ChengJia.Stress-strain behavior of multi-phase high performance structural steel[J].中国科学:技术科学（英文版）,2012(7):1791-1796. |
| [8] | Kumar, A;Singh, SB;Ray, KK.Influence of bainite/martensite-content on the tensile properties of low carbon dual-phase steels[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,20081/2(1/2):270-282. |
| [9] | C. Manfredi;J.L. Oteguj.Failures by SCC in buried pipelines[J].Engineering failure analysis,20025(5):495-509. |
| [10] | M.A. Arafin;J.A. Szpunar.A New Understanding Of Intergranular Stress Corrosion Cracking Resistance Of Pipeline Steel Through Grain Boundary Character And Crystallographic Texture Studies[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,20091(1):119-128. |
| [11] | 程远;俞宏英;王莹;孟旭;孙冬柏.应变速率对X80管线钢应力腐蚀的影响[J].材料工程,2013(3):77-82. |
| [12] | 郏义征;李辉;胡楠楠;王清远.外加阴极电位对X100管线钢近中性pH值应力腐蚀开裂行为的影响[J].四川大学学报（工程科学版）,2013(4):186-191. |
| [13] | 程远;俞宏英;王莹;孙冬柏.外加电位对X80钢在南雄土壤模拟溶液中应力腐蚀行为的影响[J].腐蚀与防护,2013(1):13-17. |
| [14] | 陈旭;吴明;何川;肖军.外加电位对X80钢及其焊缝在库尔勒土壤模拟溶液中SCC行为的影响[J].金属学报,2010(8):951-958. |
| [15] | Y. F. Cheng.Fundamentals of hydrogen evolution reaction and its implications on near-neutral pH stress corrosion cracking of pipelines[J].Electrochimica Acta,20077(7):2661-2667. |
| [16] | B.T. Lu;F. Song;M. Gao;M. Elboujdaini.Crack growth model for pipelines exposed to concentrated carbonate-bicarbonate solution with high pH[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,201012(12):4064-4072. |
| [17] | M. C. Li;Y. F. Cheng.Corrosion of the stressed pipe steel in carbonate-bicarbonate solution studied by scanning localized electrochemical impedance spectroscopy[J].Electrochimica Acta,20086(6):2831-2836. |
| [18] | D.X. He;W. Chen;J.L. Luo.Effect of Cathodic Potential on Hydrogen Content in a Pipeline Steel Exposed to NS4 Near-Neutral pH Soil Solution[J].Corrosion: The Journal of Science and Engineering,20048(8):778-786. |
| [19] | J.G. Gonzalez-Rodriguez;M. Casales;V.M. Salinas-Bravo.Effect of Microstructure on the Stress Corrosion Cracking of X-80 Pipeline Steel in Diluted Sodium Bicarbonate Solutions[J].Corrosion: The Journal of Science and Engineering,20027(7):584-590. |
| [20] | J.-J. Park;S.-I. Pyun;K.-H. Na.Effect of Passivity of the Oxide Film on Low-pH Stress Corrosion Cracking of API 5L X-65 Pipeline Steel in Bicarbonate Solution[J].Corrosion: The Journal of Science and Engineering,20024(4):329-336. |
| [21] | 杨东平;胥聪敏;罗金恒;王珂;李辉辉.0.8设计系数用X80管线钢在近中性pH溶液中的应力腐蚀开裂行为[J].材料工程,2015(1):89-95. |
| [22] | 罗洁;郭正洪;戎咏华.先进高强度钢氢脆的研究进展[J].机械工程材料,2015(8):1-9. |
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%