Keyhole process in K-TIG welding on 4 mm thick 304 stainless

被引：47

作者：

Cui, ShuangLin ^{[1
,2
]}

Liu, ZuMing ^{[1
,2
,3
]}

Fang, YueXiao ^{[1
,2
]}

Luo, Zhen ^{[1
,2
]}

Manladan, Sunusi Marwana ^{[1
,2
,4
]}

Yi, Song ^{[1
,2
]}

机构：

[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Tianjin Key Lab Adv Joining Technol, Tianjin 300072, Peoples R China

[3] Harbin Inst Technol, State Key Lab Adv Welding & Joining, Harbin 150001, Peoples R China

[4] Univ Malaya, Fac Engn, Dept Mech Engn, Kuala Lumpur 50603, Malaysia

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2017年 / 243卷

基金：

中国国家自然科学基金;

关键词：

K-TIG; Keyhole dynamic behaviour; Keyhole stability; One pulse one open keyhole;

D O I：

10.1016/j.jmatprotec.2016.12.027

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Experiments were carried out on 4 mm thick 304 stainless steel to evaluate the keyhole behaviour in keyhole mode Tungsten Inert Gas (K-TIG). Based on the vision system, keyhole exit dimensional and positional parameters were measured from the keyhole exit image sequence. K-TIG had very narrow parameters window to get stable keyhole process in the constant parameters keyhole welding process. "One pulse one open keyhole" K-TIG welding process was achieved with square waveform pulse welding current. Stable welding process and acceptable quality welds were obtained with a relatively lower average welding current. Pulse keyhole process is feasible to improve the process window to achieve stable welding process to obtain qualified weld in K-TIG. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：217 / 228

页数：12

共 22 条

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