Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing

Wire arc additive manufacturing (WAAM) is an emerging additive manufacturing (AM) process that gained considerable interest due to its high deposition rate and fexibility in build scales. Low heat input, reduced thermal gradient, refned grains structure and optimal molten pool are required in produc...

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Main Authors: Rosli, Nor Ana, Alkahar, Mohd Rizal, Paijan, Lailatul Harina, Abu Bakar, Mohd Hadzley, Mohamad Norani, Mohamad Nordin
Format: Article
Language:English
Published: Springer Nature 2024
Online Access:http://eprints.utem.edu.my/id/eprint/28418/2/026910503202416174723.pdf
http://eprints.utem.edu.my/id/eprint/28418/
https://link.springer.com/article/10.1007/s40964-024-00564-6
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Institution: Universiti Teknikal Malaysia Melaka
Language: English
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spelling my.utem.eprints.284182025-02-10T16:44:36Z http://eprints.utem.edu.my/id/eprint/28418/ Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing Rosli, Nor Ana Alkahar, Mohd Rizal Paijan, Lailatul Harina Abu Bakar, Mohd Hadzley Mohamad Norani, Mohamad Nordin Wire arc additive manufacturing (WAAM) is an emerging additive manufacturing (AM) process that gained considerable interest due to its high deposition rate and fexibility in build scales. Low heat input, reduced thermal gradient, refned grains structure and optimal molten pool are required in producing more high-quality WAAM parts. Integrating a microplasma arc welding (MPAW) system with less or equal to 20A current is a signifcant consideration in WAAM technology to improve its quality. This study fabricated a single-pass multilayer structure with MPAW-based WAAM, and the efect on macro–microstructure and tensile strength has been thoroughly investigated. The results show that excessive heat at the end of layer deposition leads to deteriorated structure and irregular geometrical shapes. Owing to the WAAM process that experiences repeated heating and cooling, the bottom structure has the highest tensile strength and microhardness due to the fne dimple structure form. The observed microstructure shows that the grain size at the top wall is larger than that at the bottom due to more rapid cooling at the bottom. Based on the study outcome, the study provides a better understanding of the morphological, microstructure, and mechanical properties of samples fabricated using MPAW-based WAAM process. Springer Nature 2024-03 Article PeerReviewed text en cc_by_4 http://eprints.utem.edu.my/id/eprint/28418/2/026910503202416174723.pdf Rosli, Nor Ana and Alkahar, Mohd Rizal and Paijan, Lailatul Harina and Abu Bakar, Mohd Hadzley and Mohamad Norani, Mohamad Nordin (2024) Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing. Progress in Additive Manufacturing, 9 (6). pp. 2123-2130. ISSN 2363-9520 https://link.springer.com/article/10.1007/s40964-024-00564-6 10.1007/s40964-024-00564-6
institution Universiti Teknikal Malaysia Melaka
building UTEM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknikal Malaysia Melaka
content_source UTEM Institutional Repository
url_provider http://eprints.utem.edu.my/
language English
description Wire arc additive manufacturing (WAAM) is an emerging additive manufacturing (AM) process that gained considerable interest due to its high deposition rate and fexibility in build scales. Low heat input, reduced thermal gradient, refned grains structure and optimal molten pool are required in producing more high-quality WAAM parts. Integrating a microplasma arc welding (MPAW) system with less or equal to 20A current is a signifcant consideration in WAAM technology to improve its quality. This study fabricated a single-pass multilayer structure with MPAW-based WAAM, and the efect on macro–microstructure and tensile strength has been thoroughly investigated. The results show that excessive heat at the end of layer deposition leads to deteriorated structure and irregular geometrical shapes. Owing to the WAAM process that experiences repeated heating and cooling, the bottom structure has the highest tensile strength and microhardness due to the fne dimple structure form. The observed microstructure shows that the grain size at the top wall is larger than that at the bottom due to more rapid cooling at the bottom. Based on the study outcome, the study provides a better understanding of the morphological, microstructure, and mechanical properties of samples fabricated using MPAW-based WAAM process.
format Article
author Rosli, Nor Ana
Alkahar, Mohd Rizal
Paijan, Lailatul Harina
Abu Bakar, Mohd Hadzley
Mohamad Norani, Mohamad Nordin
spellingShingle Rosli, Nor Ana
Alkahar, Mohd Rizal
Paijan, Lailatul Harina
Abu Bakar, Mohd Hadzley
Mohamad Norani, Mohamad Nordin
Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
author_facet Rosli, Nor Ana
Alkahar, Mohd Rizal
Paijan, Lailatul Harina
Abu Bakar, Mohd Hadzley
Mohamad Norani, Mohamad Nordin
author_sort Rosli, Nor Ana
title Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
title_short Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
title_full Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
title_fullStr Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
title_full_unstemmed Analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
title_sort analysis of microstructure and mechanical properties of micro‑plasma arc‑welding‑based additive manufacturing
publisher Springer Nature
publishDate 2024
url http://eprints.utem.edu.my/id/eprint/28418/2/026910503202416174723.pdf
http://eprints.utem.edu.my/id/eprint/28418/
https://link.springer.com/article/10.1007/s40964-024-00564-6
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