Argon and argon-hydrogen shielding gas effects on the laves phase formation and corrosion behavior of Inconel 718 gas tungsten arc welds

被引：25

作者：

Anbarasan, N. ^{[1
]}

Jerome, S. ^{[1
]}

Arivazhagan, N. ^{[2
]}

机构：

[1] Natl Inst Technol, Dept Met & Mat Engn, Tiruchirappalli 620015, Tamil Nadu, India

[2] Vellore Inst Technol, Sch Mech Engn, Vellore 632014, Tamil Nadu, India

来源：

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2019年 / 263卷

关键词：

Laves; Shielding gas; Cooling rate; Argon-hydrogen; SURFACE MODIFICATIONS; MECHANICAL-PROPERTIES; HEAT-TREATMENT; COOLING RATE; MICROSTRUCTURE; RESISTANCE; SOLIDIFICATION; IMPROVEMENT; TENSILE; FUSION;

D O I：

10.1016/j.jmatprotec.2018.07.038

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Argon-Hydrogen shielding gas mixture induced a steep temperature gradient and enhanced the instantaneous cooling rate of the weld. The welds obtained by Argon-Hydrogen have finer grain structure than the Argon Shielded welds. The reduction of laves phase segregated at the interdendritic region has lower Niobium concentration which improves the corrosion resistance of the welds.

引用

页码：374 / 384

页数：11

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