Effect of heat input on TIG welding of hastelloy C-276

被引:4
|
作者
Mahidhar, Vasareddy [1 ]
Sampreet, K. R. [1 ]
Vinay, Chiguluri Shai [1 ]
Maheswaran, C. B. [2 ]
Kannan, T. Deepan Bharathi [1 ]
机构
[1] SRM Inst Sci & Technol, Dept Mech Engn, Chennai, Tamil Nadu, India
[2] Sastra Deemed Univ, Sch Mech Engn, Thanjavur, India
来源
3RD INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICAL ENGINEERING (ICAME 2020), PTS 1-6 | 2020年 / 912卷
关键词
MECHANICAL-PROPERTIES; MICROSTRUCTURE;
D O I
10.1088/1757-899X/912/3/032083
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this work, an attempt is made to study the effect of heat input on mechanical and metallurgical properties of Tungsten Inert Gas (TIG) welded Hastelloy C-276 sheets. Hastelloy C-276 sheets of thickness 1.6mm were used throughout this study. Three butt joints were made by varying the values of welding current in the steps of 1 Ampere. The weld quality was assessed by measuring bead geometry, tensile strength and microhardness. From the experimental results, it was found that the hardness proportionally varied with the change in welding current whereas tensile strength first increased and then decreased with increase in welding current. The weld property variation is discussed with the aid of microstructures taken from Scanning Electron Microscope (SEM), Energy Dispersion Spectroscopy (EDS) and X-ray Diffractometer (XRD).
引用
收藏
页数:9
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