[1]蔡养川,罗 震.Cr对高强钢焊条焊缝组织和性能的影响[J].焊管,2015,38(6):20-25.[doi:1001-3938(2015)06-0020-06]
 CAI Yangchuan,LUO Zhen.Effect of Heat Chrome Element on Microstructure and Mechanical Properties of High-strength Steel Electrode Weld[J].,2015,38(6):20-25.[doi:1001-3938(2015)06-0020-06]
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Cr对高强钢焊条焊缝组织和性能的影响
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
38
期数:
2015年第6期
页码:
20-25
栏目:
试验与研究
出版日期:
2015-06-28

文章信息/Info

Title:
Effect of Heat Chrome Element on Microstructure and Mechanical Properties
 of High-strength Steel Electrode Weld
文章编号:
1001-3938(2015)06-0020-06
作者:
蔡养川罗 震
(天津大学 材料科学与工程学院, 天津 300072)
Author(s):
CAI Yangchuan LUO Zhen
(College of Materials Science and Technology, Tianjin University, Tianjin 300072, China)
关键词:
焊接Ni-Cr-Mo-V合金体系Cr800 MPa高强钢焊条
Keywords:
welding Ni-Cr-Mo-V alloy system Chrome 800 MPa high-strength steel electrode
分类号:
TG421
DOI:
1001-3938(2015)06-0020-06
文献标志码:
A
摘要:
基于Ni-Cr-Mo-V合金体系,研究了Cr对800 MPa高强钢焊条焊缝组织和性能的影响。研究结果表明,当w(Cr)<1.2%时,随着Cr含量的增加,焊缝金属强度和韧性逐渐升高;当w(Cr)>
1.2%时,随着Cr含量的增加,焊缝金属强度逐渐升高,而韧性逐渐降低。焊缝熔敷金属中w(Cr)=1.2%时,可以使焊缝金属获得大量细小、均匀的粒状M/A组织,从而提高了焊缝的强度和韧性。
Abstract:
Based on Ni-Cr-Mo-V alloy system, it studied the effect of chrome on weld microstructure and mechanical properties of 800 MPa high strength steel electrode. Experimental results showed that, as the content of chrome less-than 1.2%, the weld metal strength and toughness gradually increase with the increase of the content of Cr; and when the content of chrome more-than 1.2%, the strength of weld metal gradually increases and the toughness gradually decreases with the increase of the content of Cr. As the content of Cr is 1.2%, the microstructure of weld metal is large number of wee and homogeneous M/A, which can enhance the strength and toughness of weld metal.

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备注/Memo

备注/Memo:

收稿日期:2014-10-28
作者简介:蔡养川(1987—),男,博士研究生,主要从事焊接材料方面的研究工作。

 

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