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Quantitative Analysis of 3D-Printed Bimetallic Component: Wire-Arc Additive Manufacturing and Metal Forming
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Author(s): Japheth Obiko (Tshwane University of Technology, South Africa), Brendon Shongwe (Tshwane University of Technology, South Africa), Nicholus Malatji (Tshwane University of Technology, South Africa), Michael Bodunrin (University of the Witwatersrand, South Africa)and Mariam Kassim (Jomo Kenyatta University of Agriculture and Technology, Kenya)
Copyright: 2024
Pages: 21
Source title:
Emerging Engineering Technologies and Industrial Applications
Source Author(s)/Editor(s): Younes El Kacimi (Ibn Tofail University, Morocco)and Khaoula Alaoui (Ibn Tofail University, Morocco)
DOI: 10.4018/979-8-3693-1335-0.ch011
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Abstract
The book chapter reports on hybrid manufacturing (wire-arc additive manufacturing and metal forming) of 3D-printed bimetallic structure parts. After 3D printing, the metal flow behaviour of the printed material was studied using a Gleeble 3500 thermal-mechanical simulator. The test conditions were temperature range 850-1000°C and strain rate of 1s−1 and 10s−1 to strain of 0.6. The results show that the initial microstructure of the bimetallic structure had excellent bonding properties. The flow stress-strain curves increased with a decrease in deformation temperature and vice versa at a given strain rate. The study developed a constitutive equation that predicts the metal flow behaviour of the material studied. From the analysis, the material constants were a stress exponent of 4.76 and an activation energy of 213.7 kJmol−1. The study indicates that this method (hybrid manufacturing) is possible in the industrial production process.
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