双金属镍基825复合板焊接技术的研究
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摘要
为了保证双金属镍基825复合板纵向焊缝的抗晶间腐蚀性能及强度,提高焊接效率,采用带极电渣堆焊方法,选定焊接材料,在不同的焊接工艺条件下,对复合板进行了焊接试验,并对焊接接头的力学性能和组织进行了分析。结果表明,焊接接头质量较好,焊缝成形优良,焊接接头的各项性能满足要求,其中采用TIG焊过渡形式提高了覆层金属抗晶间腐蚀性能,采用带极电渣堆焊方法未对基层材料性能造成不良影响。
In order to solve the welding problem of longitudinal weld of bimetallic nickel base 825 composite plate and improve welding efficiency, using electroslag surfacing with electrode, welding tests of composite plates were carried out under different welding conditions, and the mechanical properties and microstructure of welded joints were analyzed. The results showed that the quality of the welded joint was good, the weld formed well, and the properties of the welded joint met the requirements.Using tig welding could improve the intergranular corrosion resistance of the coating metal, and using electroslag surfacing with electrode had no adverse effect on the properties of base materials.
In order to solve the welding problem of longitudinal weld of bimetallic nickel base 825 composite plate and improve welding efficiency, using electroslag surfacing with electrode, welding tests of composite plates were carried out under different welding conditions, and the mechanical properties and microstructure of welded joints were analyzed. The results showed that the quality of the welded joint was good, the weld formed well, and the properties of the welded joint met the requirements.Using tig welding could improve the intergranular corrosion resistance of the coating metal, and using electroslag surfacing with electrode had no adverse effect on the properties of base materials.
引文
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[11]姚学全,闫臣,郭静薇,等.双金属复合管自动焊技术现状及展望[J].电焊机, 2018, 48(4):41-43, 54.
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[13]杨专钊,王高峰,闫凯,等.双金属复合管环焊工艺及接头强度设计现状与趋势[J].油气储运, 2017(3):8-15.
[14]王伟,栾陈杰,杨帆,等. X70/316L双金属复合管全自动焊接工艺应用研究[J].金属加工(热加工), 2015(18):48-49.
[15]蒲江涛.双金属复合管半自动焊接工艺研究[D].西安:西安石油大学, 2016.
[2] CHEN W C, PETERSEN C W. Corrosion performance of welded CRA-lined pipes for flowlines[J]. SPE Production Engineering, 1991, 7(4):375-378.
[3] RUSSELL D K, WILHELM S M. Analysis of bimetallic pipe for sour service[J]. SPE Production Engineering, 1991,6(3):291-296.
[4]徐锴,冯伟,魏涛. 316L+X60双金属复合管焊接技术研究[J].焊管, 2016(增刊):52-54.
[5]李发根,魏斌,邵晓东,等.高腐蚀性油气田用双金属复合管[J].油气储运, 2010, 29(5):359-362.
[6]方克. TP316L+Q235不锈钢复合钢板的焊接工艺探讨[J].机电技术, 2005(2):115-117.
[7]刘海璋,毕宗岳,杨军,等. 316L/X60复合板焊接工艺、组织特征及腐蚀性能研究[J].焊管, 2014, 37(12):5-10.
[8]刘明涛,刘俊友,庞于思,等.双金属复合技术的研究进展[J].钢管, 2013, 42(1):11-16.
[9] SYT 6623—2012,内覆或衬里耐腐蚀合金复合钢管规范[S].
[10]许爱华,院振钢,杨光,等.双金属复合管的施工焊接技术[J].天然气与石油, 2010, 28(6):22-28.
[11]姚学全,闫臣,郭静薇,等.双金属复合管自动焊技术现状及展望[J].电焊机, 2018, 48(4):41-43, 54.
[12]王永芳,袁江龙,张燕飞,等.双金属复合管的技术现状和发展方向[J].焊管, 2013, 36(2):5-9.
[13]杨专钊,王高峰,闫凯,等.双金属复合管环焊工艺及接头强度设计现状与趋势[J].油气储运, 2017(3):8-15.
[14]王伟,栾陈杰,杨帆,等. X70/316L双金属复合管全自动焊接工艺应用研究[J].金属加工(热加工), 2015(18):48-49.
[15]蒲江涛.双金属复合管半自动焊接工艺研究[D].西安:西安石油大学, 2016.