难焊金属材料电阻点焊熔核孕育处理的机理与效果

吉林大学学报(工学版) ›› 2001, Vol. ›› Issue (4): 17-21.

难焊金属材料电阻点焊熔核孕育处理的机理与效果

赵熹华, 徐国成, 赵蕾, 余群峰, 曹海鹏

吉林大学材料科学与工程学院, 吉林长春, 130025

收稿日期:2001-06-24 出版日期:2001-10-25
基金资助:
国家自然科学基金资助项目(59875033)

The Inoculation Mechanism and Effect ot Resistance Spot Welding for Hard-to-weld Metal Materials

ZHAO Xi-hua, XU Guo-cheng, ZHAO Lei, YU Qun-feng, CAO Hai-peng

College of Material Science & Engineering, Jilin University, Changchun 130025, China

Received:2001-06-24 Online:2001-10-25

摘要/Abstract

摘要： 应用作者提出的熔核孕育处理新技术对难焊金属材料65Mn、LY12CZ点焊接头进行了系统的工艺试验和微观分析,较好地解释和评价了孕育处理可提高点焊接头力学性能的机理和效果:生成和扩大等轴晶组织区、减小和消除熔核薄弱面、晶粒显著细化、抑制宏观缺陷的产生等.

关键词: 电阻点焊, 孕育处理, 点焊熔核, 凝固组织

Abstract: The research on the theory and quality control techniques of spot welding nugget formation is the main hotspot and frontier in material science. In this article the new techniques-spot welding nugget inoculation proposed by the authors is applied to 65Mn and LY12CZ. Systematic procedure experimentation and micro-structure analysis have been carried out. It gives a preferable explanation and evaluation to the inoculation mechanism and effect that inoculation can enhance the mechanical properties of spot welding joint, producing and enlarging equiaxed grains structure area, diminishing and eliminating weak area and restraining the occurence of macro flaw etc.

Key words: resistance spot welding, inoculation, spot welding nugget, solidification structure

中图分类号:

TG463+.9

赵熹华, 徐国成, 赵蕾, 余群峰, 曹海鹏. 难焊金属材料电阻点焊熔核孕育处理的机理与效果[J]. 吉林大学学报(工学版), 2001, (4): 17-21.

ZHAO Xi-hua, XU Guo-cheng, ZHAO Lei, YU Qun-feng, CAO Hai-peng . The Inoculation Mechanism and Effect ot Resistance Spot Welding for Hard-to-weld Metal Materials[J]. 吉林大学学报(工学版), 2001, (4): 17-21.

参考文献

[1] Matsuyama K. Recent developments and trends in quality control technology for resistance welding［J］. Welding International, 1996, 10(9): 743 ～747.
[2] Hao M. Developments in characterization of resistance spot welding of aluminium. Welding Journal［J］, 1996, 75(1): 1～8
[3] 赵熹华.薄件点焊熔核凝固组织分析［J］.焊接学报,1994(2):83～89.
[4] 赵熹华.弹簧钢电阻点焊研究［J］.焊接学报,1996(2):128～132.
[5] 安阁英.铸件形成理论［M］.北京:机械工业出版社,1998,144～148.

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