The Effect of Resistance Spot Welding Parameters on Microstructure and Strength of DP800 Steel Joints Using Response Surface Methodology-Reference-Cited by-同舟云学术

The Effect of Resistance Spot Welding Parameters on Microstructure and Strength of DP800 Steel Joints Using Response Surface Methodology

Published:2022-09-01 Issue:3 Volume:22 Page:53-78
ISSN:2083-4799
Container-title:Advances in Materials Science
language:en
Short-container-title:

Author:

Rajarajan Chakkravarthi¹,Sonar Tushar²,Sivaraj Paramasivam³,Raja Selvaraj⁴,Mathiazhagan Nallusamy¹

Affiliation:

1. Department of Mechanical Engineering , Meenakshi Ramaswamy Engineering College , Thathanur 621804, Tamil Nadu , India

2. Department of Mechanical Engineering , G. S. Mandal’s Maharashtra Institute of Technology , Aurangabad 431010, Maharashtra , India

3. Centre for Materials Joining and Research (CEMAJOR) , Department of Manufacturing Engineering , Annamalai University , Annamalai Nagar 608 002, Tamil Nadu , India

4. Central Library , Alagppa University , Karaikudi 630 003, Tamil Nadu , India

Abstract

Abstract The main objective of this paper is to analyze the direct and interaction effect of resistance spot welding (RSW) parameters on microstructure and strength of DP800 steel joints using response surface methodology (RSM). The DP800 steel sheets were spot welded in straight lap and cross lap joint configuration using RSW. The relationship between the RSW parameters, tensile shear fracture load (TSFL) and nugget zone hardness (NZH) was established employing statistical regression analysis and validated using Analysis of Variance (ANOVA). The DP800 steel joints made using welding current of 5.0 kA, electrode pressure of 4.0 MPa, and welding time of 1.50 s displayed maximum STRAIGHT-TSFL of 21.7 kN, CROSS-TSFL of 17.65 kN, and NZH of 589 HV0.5 respectively.

Publisher

Walter de Gruyter GmbH

Link

https://www.sciendo.com/pdf/10.2478/adms-2022-0013

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