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International Journal of Scientific Development and Research - IJSDR
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Issue: July 2019

Volume 4 | Issue 7

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Paper Title: REGRESSION MODELING AND PROCESS ANALYSIS OF RESISTANCE SPOT WELDED JOINTS
Authors Name: G.SIVA MANIKANTA YADAV , SK. ABDUL LATHUEF
Unique Id: IJSDR1804036
Published In: Volume 3 Issue 4, April-2018
Abstract: In this study, the effects of weld current, weld time, electrode force and combination of these on the nugget diameter, heat affected zone and tensile-strength of welding joint in electrical resistance spot welding of AISI 304 sheets of 1mm thickness are investigated. A timer and current controlled pneumatically operated rocker arm type spot welding machine of 10 kVA capacity with pneumatic application mechanism and foot switch, with controls for weld current periods, weld time periods and electrode force is used. Squeeze time is kept constant throughout the process at 40 cycles. The obtained welded joints are subjected to tensile-shear strength. Nugget diameter and heat affected zone (HAZ) are observed and computed. The effect of weld current, weld time and electrode force on nugget diameter, HAZ and tensile-shear are then researched by regression modeling and by related diagrams. Optimum weld current, weld time and electrode force for various configurations are thus arrived at.
Keywords: Tensile–shear strength, heat affected zone (HAZ), AISI-304 Sheet, Regression modeling.
Cite Article: "REGRESSION MODELING AND PROCESS ANALYSIS OF RESISTANCE SPOT WELDED JOINTS", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.3, Issue 4, page no.221 - 229, April-2018, Available :http://www.ijsdr.org/papers/IJSDR1804036.pdf
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Publication Details: Published Paper ID: IJSDR1804036
Registration ID:180158
Published In: Volume 3 Issue 4, April-2018
DOI (Digital Object Identifier):
Page No: 221 - 229
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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