Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel

doi:10.1007/s40436-013-0041-2

Advances in Manufacturing ›› 2013, Vol. 1 ›› Issue (4): 362-377.doi: 10.1007/s40436-013-0041-2

• • 上一篇

Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel

A. G. Kamble • R. Venkata Rao

Department of Mechanical Engineering, Sardar Vallabhbhai National Institute of Technology, Ichchanath, Surat 395007,Gujarat, India

收稿日期:2013-05-31 修回日期:2013-09-15 出版日期:2013-12-26 发布日期:2013-09-23
通讯作者: e-mail: avi_nash1000@yahoo.co.in

Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel

A. G. Kamble • R. Venkata Rao

Department of Mechanical Engineering, Sardar Vallabhbhai National Institute of Technology, Ichchanath, Surat 395007,Gujarat, India

Received:2013-05-31 Revised:2013-09-15 Online:2013-12-26 Published:2013-09-23
Contact: e-mail: avi_nash1000@yahoo.co.in

摘要/Abstract

摘要： Gas metal arc welding (GMAW) develops an arc by controlling the metal from the wire rod and the input process parameters. The deposited metal forms a weld bead and themechanical properties depend upon the quality of the weld bead. Proper control of the process parameters which affect the bead geometry, the microstructures of the weldments and the mechanical properties like hardness, is necessary. This experimental study aims at developing mathematical models for bead height (HB), bead width (WB) and bead penetration (PB) and investigating the effects of four process parameters
viz: welding voltage, welding speed, wire feed rate and gas flow rate on bead geometry, hardness and microstructure of AISI321 steel with 10 mm thickness. The transient thermal analysis shows temperature and residual stress distributions at different conduction and convection conditions.

关键词: Gas metal arc welding (GMAW) , Mathematical modeling , Microstructure , Transient thermal analysis

Abstract: Gas metal arc welding (GMAW) develops an arc by controlling the metal from the wire rod and the input process parameters. The deposited metal forms a weld bead and themechanical properties depend upon the quality of the weld bead. Proper control of the process parameters which affect the bead geometry, the microstructures of the weldments and the mechanical properties like hardness, is necessary. This experimental study aims at developing mathematical models for bead height (HB), bead width (WB) and bead penetration (PB) and investigating the effects of four process parameters
viz: welding voltage, welding speed, wire feed rate and gas flow rate on bead geometry, hardness and microstructure of AISI321 steel with 10 mm thickness. The transient thermal analysis shows temperature and residual stress distributions at different conduction and convection conditions.

Key words: Gas metal arc welding (GMAW) , Mathematical modeling , Microstructure , Transient thermal analysis

A. G. Kamble R. Venkata Rao. Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel[J]. Advances in Manufacturing, 2013, 1(4): 362-377.

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Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel

Experimental investigation on the effects of process parameters of GMAW and transient thermal analysis of AISI321 steel

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