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材料研究学报  2012, Vol. 26 Issue (4): 383-389    
  研究论文 本期目录 | 过刊浏览 |
ODS合金TIG原位合金化焊接机理和接头性能
雷玉成, 李猛刚,  承龙
江苏大学材料科学与工程学院 镇江 212013
The Mechanism of ODS Alloy in-situ Alloying TIG Welding and Microstructure and Properties Analysis of Weld Joints
LEI Yucheng, LI Menggang, CHENG Long
School of material science and engineering of Jiangsu University, Zhenjiang 212013
引用本文:

雷玉成 李猛刚 承龙. ODS合金TIG原位合金化焊接机理和接头性能[J]. 材料研究学报, 2012, 26(4): 383-389.
. The Mechanism of ODS Alloy in-situ Alloying TIG Welding and Microstructure and Properties Analysis of Weld Joints[J]. Chin J Mater Res, 2012, 26(4): 383-389.

全文: PDF(1111 KB)  
摘要: 采用TIG焊对ODS合金MGH956进行原位合金化焊接, C、Y2O3和其他合金粉末被填充到焊缝金属中以生成复合化合物或颗粒, 分析了在TIG焊接过程中C和Y2O3原位合金化的机制和行为。在TIG焊原位反应过程中, YAlO3、TiC和SiO2等颗粒在焊缝金属中生成, 这些尺寸为50--100纳米和0.1--1微米的颗粒均匀分布在焊接金属基体上。使用含有适量C和Y2O3的填充材料进行焊接, C和Y2O3不仅细化了晶粒, 还提高了接头的显微硬度和抗拉强度, 从而改善了焊接接头的性能。
关键词 金属材料ODS合金TIG原位反应Y2O3C    
Abstract:The behavior and mechanism of C and Y2O3 in the TIG welding process were mainly analyzed in this paper. In order to get compound and particles, with the ODS alloy MG956 in-situ alloying welded and C, Y2O3 and other alloy powder was filled in the weld. YAlO3, TiC, SiO2 and other particles whose size in 50-100 nanometer and 0.1-1 micrometer were generated and uniformly distributed in the weld. That filling C and Y2O3 in the welding process can refine the grains size and also improve the hardness and tensile strength of the weld-joints.
Key wordsmetallic materials    ODS alloy    TIG    in-situ    Y2O3    C
收稿日期: 2012-05-08     
ZTFLH: 

TG407

 
基金资助:

国家自然科学基金 51075191、江苏大学科技创新团队JD0805、江苏省高校博士创新计划cxzz11_0556资助项目。

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