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A sustainable circular 3D printing model for recycling metal scrap in the automotive industry
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A sustainable circular 3D printing model for recycling metal scrap in the automotive industry
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Journal Article
A sustainable circular 3D printing model for recycling metal scrap in the automotive industry
2022
Overview
Purpose Industries and businesses are pursuing Industry 4.0 technologies as well as adopting a circular approach focused on improving manufacturing processes through the reduction of wastes, CO2 emissions and mineral exploration to mitigate the impact of climate change. In this sense, additive manufacturing (AM), often referred to as 3D printing, can play a key role in the closed-loop of operations. However, academics and practitioners have scarcely discussed the feasibility of implementing AM alongside circular economy (CE) practices, the techniques and methods that this would require, or how AM could benefit sustainability and circularity. To address these gaps, this paper proposes a novel circular sustainable 3D printing model for scrap recycling in the automotive industry.Design/methodology/approach The methodology uses a literature review-based approach followed by empirical research using metal scraps as the raw material for fabricating a powder to input a metal 3D printer for generating sustainable automotive components. A conceptual sustainable circular model for the automotive industry is proposed. Next, is conducted a focus group comprises AM and automotive industry experts for evaluations.Findings The results indicate that the proposed model can be used to reintroduce waste back into the manufacturing chain as raw material for the on-demand manufacture and supply of automotive components and that it may also have social and environmental implications.Originality/value This paper’s contributions are threefold: it explores the combined use of Industry 4.0 (I4.0), CE and sustainability in the automotive industry, develops a new model to support the circularity and sustainability of the scrap chain and proposes the use of AM as a catalyst of CE practices by reproducing recycled components with a 3D printer for prototypes or fully functioning components.
Publisher
Emerald Publishing Limited,Emerald Group Publishing Limited
Subject
