{"title":"Effect of interlayer TIG arc treatment on porosity of wire arc additive manufactured copper","authors":"Arun Kumar Singh, Shubham Sadhya, Sumit Chorma, Indrasen Singh, Yuvraj K Madhukar","doi":"10.1016/j.mfglet.2025.01.002","DOIUrl":null,"url":null,"abstract":"<div><div>The presented experimental research explores interlayer arc treatment in wire arc additive manufacturing using TIG (WAAM-TIG) to minimise the porosity which adversely affects the mechanical properties. Copper was chosen for this study due to its extensive utilisation in industries. WAAM-TIG deposition along with interlayer arc treatment was performed in continuous (ATC) and pulsed (ATP) mode, and the results were compared with as-fabricated (AF) samples. Both, arc treated samples showed significant reduction in porosity, however, the ATP mode performed relatively better decreasing from ∼ 16 % to ∼ 1 %. Further arc-treated samples were also exhibited an increase in hardness ensuring improvement in mechanical property.</div></div>","PeriodicalId":38186,"journal":{"name":"Manufacturing Letters","volume":"43 ","pages":"Pages 70-74"},"PeriodicalIF":2.0000,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Manufacturing Letters","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2213846325000069","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/1/25 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"ENGINEERING, MANUFACTURING","Score":null,"Total":0}
引用次数: 0
Abstract
The presented experimental research explores interlayer arc treatment in wire arc additive manufacturing using TIG (WAAM-TIG) to minimise the porosity which adversely affects the mechanical properties. Copper was chosen for this study due to its extensive utilisation in industries. WAAM-TIG deposition along with interlayer arc treatment was performed in continuous (ATC) and pulsed (ATP) mode, and the results were compared with as-fabricated (AF) samples. Both, arc treated samples showed significant reduction in porosity, however, the ATP mode performed relatively better decreasing from ∼ 16 % to ∼ 1 %. Further arc-treated samples were also exhibited an increase in hardness ensuring improvement in mechanical property.
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