[1]王富铎,梁国栋,王 斌,等.海洋用CRA双金属复合管管端全自动堆焊工艺改进[J].焊管,2015,38(3):43-47.[doi:1001-3938(2015)03-0043-05]
 WANG Fuduo,LIANG Guodong,WANG Bin,et al.Automatic Overlay Welding Procedure Improvement of the CRA Bimetal Lined Pipe Ends Used in Offshore[J].,2015,38(3):43-47.[doi:1001-3938(2015)03-0043-05]
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海洋用CRA双金属复合管管端全自动堆焊工艺改进
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第3期
页码:
43-47
栏目:
工艺与设备
出版日期:
2015-03-28

文章信息/Info

Title:
Automatic Overlay Welding Procedure Improvement
of the CRA Bimetal Lined Pipe Ends Used in Offshore
文章编号:
1001-3938(2015)03-0043-05
作者:
王富铎12梁国栋12王 斌12王 剑12梁国萍12赵 欣12王思恩12张 明12周琳琳12
1. 陕西省金属复合管道工程技术研究中心,西安 710065;
2. 西安向阳航天材料股份有限公司,西安 710065
Author(s):
WANG Fuduo12 LIANG Guodong12 WANG Bin12 WANG Jian12  LIANG Guoping12ZHAO Xin12 WANG Sien12 ZHANG Ming12 ZHOU Linlin12
1. Shaanxi Metal Composite Pipeline Engineering Technology Research Center, Xi’an 710065, China ;
2. Xi’an Sunward Aeromat Co., Ltd., Xi’an 710065, China
关键词:
焊管双金属复合管堆焊管端缩径稀释率
Keywords:
welded pipe bimetal lined pipes overlaying pipe end reduction dilution rate
分类号:
TE973
DOI:
1001-3938(2015)03-0043-05
文献标志码:
B
摘要:
针对海洋用CRA双金属复合管薄壁基管堆焊过程中出现显著的管端缩径,机械加工后管端尺寸超差这一问题,设计了工艺革新及改进方案。通过采用优化焊接工艺参数和调整管端机械加工工艺等措施,使得双金属复合管管端机械加工后的尺寸满足了设计要求,同时Fe的稀释率降低。堆焊后对堆焊层进行拉伸试验、冲击试验、硬度测试、金相组织观察以及晶间腐蚀试验,结果表明,堆焊层的力学性能良好,且具备较好的耐腐蚀性能。
Abstract:
Aiming at the problem that pipe ends reduction occurred in CRA bimetal lined pipe  overlay welding process, which caused pipe end dimension out-of-tolerance after mechanic processing , it designed technical innovation and improvement approach. By optimizing welding parameters and adjusting the mechanic processing technology of pipe ends , it made the dimension of bimetal lined pipe ends after machining meet the design requirements , and the dilution rate of iron element content decrease. The tensile test , impact test , hardness test , microstructure observation and intergranular corrosion test to overlaying layer were conducted. The results indicated that the overlaying layer performance is good, and are with better corrosion resistance performance.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2014-12-03
作者简介:王富铎(1987—),男,硕士研究生,助理工程师,主要从事复合管焊接工艺研究。
更新日期/Last Update: