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Effect of input variable of GMAW on microstructure and mechanical properties of High Strength Low Alloy

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Title Effect of input variable of GMAW on microstructure and mechanical properties of High Strength Low Alloy
 
Creator Gupta, Saurabh Kumar
Singh, Rajnish
Rizvi, Saadat Ali
 
Subject High Strength Low Alloys (HSLA)
Scanning Electron Microscope (SEM)
Ultimate Tensile Strength (UTS)
Heat Affected Zone (HAZ)
Microstructure
Heat input
 
Description 228-236
The present study focused on evaluating mechanical and microstructural properties of Gas Metal Arc (GMA) welded High Strength Low Alloys (HSLA) steel weldments at different heat inputs. Heat input plays a significant role in influencing welded joints' mechanical properties and microstructure. Nine different values of heat input were considered and the range of heat input value was from 1.89-2.61Kj/mm. From the results it was found that on increasing the heat input in the form of input parameters, the average Ultimate Tensile Strength (UTS) was increased and then decreased but at the same time grain coarsening in microstructure was also observed. From the rest result, it was also observed that on increasing the heat input value toughness of weldment also increases.
 
Date 2022-05-19T06:28:46Z
2022-05-19T06:28:46Z
2022-04
 
Type Article
 
Identifier 0975-1017 (Online); 0971-4588 (Print)
http://nopr.niscair.res.in/handle/123456789/59743
 
Language en
 
Publisher CSIR-NIScPR, India
 
Source IJEMS Vol.29(2) [April 2022]