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Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints

Satish Kumar Bhatti1 , Gautam Kocher2 , Mandeep Singh3

Section:Research Paper, Product Type: Journal Paper
Volume-6 , Issue-7 , Page no. 278-285, Jul-2018

CrossRef-DOI:   https://doi.org/10.26438/ijcse/v6i7.278285

Online published on Jul 31, 2018

Copyright © Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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IEEE Style Citation: Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh, “Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints,” International Journal of Computer Sciences and Engineering, Vol.6, Issue.7, pp.278-285, 2018.

MLA Style Citation: Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh "Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints." International Journal of Computer Sciences and Engineering 6.7 (2018): 278-285.

APA Style Citation: Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh, (2018). Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints. International Journal of Computer Sciences and Engineering, 6(7), 278-285.

BibTex Style Citation:
@article{Bhatti_2018,
author = {Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh},
title = {Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints},
journal = {International Journal of Computer Sciences and Engineering},
issue_date = {7 2018},
volume = {6},
Issue = {7},
month = {7},
year = {2018},
issn = {2347-2693},
pages = {278-285},
url = {https://www.ijcseonline.org/full_paper_view.php?paper_id=2429},
doi = {https://doi.org/10.26438/ijcse/v6i7.278285}
publisher = {IJCSE, Indore, INDIA},
}

RIS Style Citation:
TY - JOUR
DO = {https://doi.org/10.26438/ijcse/v6i7.278285}
UR - https://www.ijcseonline.org/full_paper_view.php?paper_id=2429
TI - Influence of Number of Weld Passes on Micro-Hardness and Impact Toughness of Gas Metal Arc (GMA) welded AISI 1020 joints
T2 - International Journal of Computer Sciences and Engineering
AU - Satish Kumar Bhatti, Gautam Kocher, Mandeep Singh
PY - 2018
DA - 2018/07/31
PB - IJCSE, Indore, INDIA
SP - 278-285
IS - 7
VL - 6
SN - 2347-2693
ER -

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Abstract

The current study presents the result of investigation being done on determining the influence of multipass welding on micro-hardness and charpy v-notch impact strength of AISI 1020 GMA weld joints. AISI 1020 alloy is commonly used in many industrial applications like manufacturing of spindles, gudgeon pins, light duty gears, ships, structures and many more. Furthermore, the literature survey reveals that thick plates are generally welded in multi passes of welding. In this study, the joints are fabricated in single pass, double pass and triple pass of welding with ER 70S-6 solid filler material. Besides this, welding parameters also influence the mechanical properties and metallurgical properties of weld material. The investigation outcomes show that the thermal gradients were established which affect the micro-hardness and impact toughness. Further, it reveals that due to multi layers of the filler material the heat input in case of triple layer welded joint is maximum which leads to maximum average value of hardness (302 VHN) in joint 3 and minimum of 230 VHN is reported for joint 1. Furthermore, the maximum energy absorption capacity comes out to be maximum (71Joules) for joint 3.

Key-Words / Index Term

AISI 1020, GMAW process, Micro-Hardness, Charpy v-notch impact toughness, Multipass

References

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