CRITICAL ANALYSIS OF MATERIAL BEHAVIOUR IN WELDED PLATES OF AISI 0.2%-C STEEL UNDER AS-WELDED, QUENCHED AND ANNEALED CONDITIONS

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-03-23 DOI:10.36547/ams.29.1.1719

Saurabh Dewangan, Vedant Vinod Nemade, Kanad Harshal Nemade

{"title":"CRITICAL ANALYSIS OF MATERIAL BEHAVIOUR IN WELDED PLATES OF AISI 0.2%-C STEEL UNDER AS-WELDED, QUENCHED AND ANNEALED CONDITIONS","authors":"Saurabh Dewangan, Vedant Vinod Nemade, Kanad Harshal Nemade","doi":"10.36547/ams.29.1.1719","DOIUrl":null,"url":null,"abstract":"AISI 1020 grade of steel is well known for its good combination of high strength and fair ductility. Therefore, it is widely demanded in construction sectors. It possesses a good weldability too in both arc and gas welding conditions. In the present work four pairs of AISI 1020-0.2%C steel plates were welded by shielded arc welding method. Except one welded plate, other three were heat treated. Based on the heat treating, three different physical conditions were achieved- water quenched, oil quenched and annealed. All the samples were tested for tensile strength, hardness, and microstructure. The annealed specimen has showed a significantly improved tensile strength of 439 MPa which is 85% higher than as-welded specimen. Water and oil quenched specimens showed lesser strength than that of as-welded specimen. With regard to hardness, there were two different observations. The as-welded and annealed specimens indicated the highest hardness at welded joint whereas the lower values were reported in base metal part. In contrary, the water and oil quenched specimens were harder in base metal zone as compared to welded zone. Both, strength, and hardness were found in good correlation with microstructural appearance of the plates.","PeriodicalId":1,"journal":{"name":"Accounts of Chemical Research","volume":null,"pages":null},"PeriodicalIF":16.4000,"publicationDate":"2023-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Accounts of Chemical Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.36547/ams.29.1.1719","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 1

Abstract

AISI 1020 grade of steel is well known for its good combination of high strength and fair ductility. Therefore, it is widely demanded in construction sectors. It possesses a good weldability too in both arc and gas welding conditions. In the present work four pairs of AISI 1020-0.2%C steel plates were welded by shielded arc welding method. Except one welded plate, other three were heat treated. Based on the heat treating, three different physical conditions were achieved- water quenched, oil quenched and annealed. All the samples were tested for tensile strength, hardness, and microstructure. The annealed specimen has showed a significantly improved tensile strength of 439 MPa which is 85% higher than as-welded specimen. Water and oil quenched specimens showed lesser strength than that of as-welded specimen. With regard to hardness, there were two different observations. The as-welded and annealed specimens indicated the highest hardness at welded joint whereas the lower values were reported in base metal part. In contrary, the water and oil quenched specimens were harder in base metal zone as compared to welded zone. Both, strength, and hardness were found in good correlation with microstructural appearance of the plates.

查看原文本刊更多论文

aisi0.2%C钢焊接板在AS-weld、淬火和退火条件下材料行为的临界分析

AISI 1020级钢以其高强度和良好延展性的良好结合而闻名。因此，它在建筑行业有着广泛的需求。它在电弧焊和气焊条件下都具有良好的可焊性。本工作采用保护电弧焊方法焊接了4对AISI 1020-0.2%C钢板。除一块焊接板外，其余三块均经过热处理。在热处理的基础上，实现了三种不同的物理条件——水淬火、油淬火和退火。对所有样品进行拉伸强度、硬度和微观结构测试。退火试样的抗拉强度显著提高，达到439MPa，比焊接试样高85%。水和油淬火试样的强度低于焊接试样的强度。关于硬度，有两种不同的观察结果。焊接和退火试样表明焊接接头处的硬度最高，而基底金属部分的硬度较低。相反，水淬和油淬试样在基体金属区比焊接区更硬。强度和硬度都与板材的微观结构外观有很好的相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.