UGC Approved Journal no 63975

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 8 Issue 7
July-2021
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR2107484


Registration ID:
312753

Page Number

d731-d734

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Title

Effect of Post Weld Heat Treatment on Microhardness of Tailor TIG welded blanks

Abstract

The present study reports on the effect of post-weld heat treatment (PWHT) on microhardness of Tailor TIG welded joint between low carbon steel of draw quality and austenitic stainless steel 304 grade of both 1.2mm thickness at 650°C and 1050°C. 304L filler rod is used for joining process. Detailed characterization across the welded joint was conducted using optical microscope and micro hardness test. Results showed that PWHT had significant effect on the microhardness of both the weld metal and heat affected zone (HAZ), the hardness in the fusion zone reduced to 16% in 650°C sample and further to 32% in 1050°C sample and a slight deviation of hardness reported in HAZ of low carbon steel side while it had little influence on the ASS side. By using proper PWHT, the hardness gradient attenuated across the dissimilar welded joint. The correlation among various heat treatment, microstructure evolution and microhardness were analyzed in detail

Key Words

PWHT, TIG, Microstructure, Microhardness, Characterization

Cite This Article

"Effect of Post Weld Heat Treatment on Microhardness of Tailor TIG welded blanks", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 7, page no.d731-d734, July-2021, Available :http://www.jetir.org/papers/JETIR2107484.pdf

ISSN


2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Effect of Post Weld Heat Treatment on Microhardness of Tailor TIG welded blanks", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 7, page no. ppd731-d734, July-2021, Available at : http://www.jetir.org/papers/JETIR2107484.pdf

Publication Details

Published Paper ID: JETIR2107484
Registration ID: 312753
Published In: Volume 8 | Issue 7 | Year July-2021
DOI (Digital Object Identifier):
Page No: d731-d734
Country: Hyderabad, Telangana, India .
Area: Engineering
ISSN Number: 2349-5162


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