Journal of Manufacturing Processes, Volume (43), No (7), Year (2019-7) , Pages (200-206)

Title : ( Fabrication of dissimilar Fe-Cu-C powder metallurgy compact/steel joint using the optimized resistance spot welding )

Authors: reza neiestani , Behrooz Beidokhti , Mohammadreza Amelzadeh ,

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Abstract

The main parameters of resistance spot welding were optimized using Taguchi method for dissimilar joining of low carbon steel and Fe-Cu-C powder metallurgy compact. In order of importance, preheat current, preheat time, hold time, welding current and welding time affect the strength of weld. Different constituents such as lath martensite, ferrite, pearlite and carbide colonies were observed in the microstructure of welds. The maximum hardness and strength of joints was 735 HV and 5.75 kN, respectively. The presence of hard zone in the fusion zone improved strength values and encouraged the pullout failure mode. The width of hard zone was increased by application of high preheat current and low welding current.

Keywords

Resistance spot welding Taguchi method Steel Powder metallurgy Microstructure Mechanical behavior
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@article{paperid:1077967,
author = {Neiestani, Reza and Beidokhti, Behrooz and Amelzadeh, Mohammadreza},
title = {Fabrication of dissimilar Fe-Cu-C powder metallurgy compact/steel joint using the optimized resistance spot welding},
journal = {Journal of Manufacturing Processes},
year = {2019},
volume = {43},
number = {7},
month = {July},
issn = {1526-6125},
pages = {200--206},
numpages = {6},
keywords = {Resistance spot welding Taguchi method Steel Powder metallurgy Microstructure Mechanical behavior},
}

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%0 Journal Article
%T Fabrication of dissimilar Fe-Cu-C powder metallurgy compact/steel joint using the optimized resistance spot welding
%A Neiestani, Reza
%A Beidokhti, Behrooz
%A Amelzadeh, Mohammadreza
%J Journal of Manufacturing Processes
%@ 1526-6125
%D 2019

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