Mechanism of improving toughness of self-shielded flux-cored wire

被引：0

作者：

Li, Zhuo-Xin ^{[1
]}

Chen, Bang-Gu ^{[1
]}

Jin, Li-Hong ^{[1
]}

Wang, Xiu-Wen ^{[1
]}

机构：

[1] Beijing Polytechnic Univ., Beijing 100022, China

来源：

Hanjie Xuebao/Transactions of the China Welding Institution | 2001年 / 22卷 / 04期

关键词：

Aluminum alloys - Flux core wire welding - Inclusions - Microstructure - Toughness - Welding rods;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Self-shielded flux-cored wire is a welding consumable, which has been developed rapidly in the world, but slowly in China. The key studies in this respect are focused on the operative performance of the wire and the toughness of the deposited metal. The composition, microstructure and properties of the deposited metal are investigated by adding trace elements in the alloy system with higher Al content and controlling the characteristic parameters of inclusion to obtain the microstructure with more acicular ferrite. The impact toughness of the deposited metal can reach 97 J at 0°C. The results are useful for improving the toughness of the deposited metal with higher Al content.

引用

页码：5 / 8

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