Short time Resistance Spot Welding of 1.2GPa Ultra-High Strength Steel using High Frequency Power Supply

被引：0
|
作者：
Abe Y. [1 ]
Yoshioka N. [2 ]
Kinoshita Y. [1 ]
Yamane S. [3 ]
机构：
[1] Fuji Electric Co., Ltd.
[2] Fuji Electric FA Components & Systems Co., Ltd
来源：
Yosetsu Gakkai Ronbunshu/Quarterly Journal of the Japan Welding Society | 2023年 / 41卷 / 02期
关键词：
Resistance spot welding; Spatter; Tensile shear strength; Ultra-high strength steel;
D O I：
10.2207/qjjws.41.178
中图分类号：
学科分类号：
摘要：
The task of 1.2GPa ultra-high strength steel sheet in short time's high current spot welding has been clarified. High current and short time spot welding system and high frequency power supply has been developed. In order to prevent spatter, new double pulse welding method in which primary energization, cooling and secondary energization has been proposed. By using this novel welding method, nugget diameter and tensile shear strength satisfied the target and spatter did not occur. New method of 1.2GPa ultra-high strength steel sheet in short time and high current spot welding has been established. © 2023 Japan Welding Society. All rights reserved.
引用
收藏
页码：178 / 184
页数：6
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