Evaluating the environmental impact of additive manufacturing: A methodology to determine the environmental impact of parts manufactured by high-speed laser directed energy deposition

Svenja Ehmsen , Matthias Klar , Jan C. Aurich
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Abstract

High-speed laser directed energy deposition is an additive manufacturing process that offers great potential for industrial applications due to its high process speeds. To mitigate the climate crisis, it is important to consider the energy and material demand, as well as the resulting greenhouse gas emissions of products. However, for new and emerging technologies such as high-speed laser directed energy deposition, there is a lack of analysis regarding the environmental impact throughout the entire process chain. In order to analyze and exploit efficiency potentials at an early stage, it is necessary to assess the environmental impact of parts prior to production. Thus, this paper presents a methodology for developing a customized model that enable the prediction of the part-specific environmental impact. The methodology includes the entire process chain from raw material extraction, powder production, additive manufacturing, to post-processing. Through its three-level structure, which includes an information query, individual databases, and calculation models, this approach allows in-depth analysis of the environmental impact and its causal composition prior to production, thus enabling the identification and direct realization of potentials for the reducing environmental impact.

评估增材制造对环境的影响:确定高速激光定向能沉积制造的部件对环境影响的方法
高速激光定向能沉积是一种快速成型制造工艺,由于其加工速度快,在工业应用方面具有巨大潜力。为缓解气候危机,必须考虑能源和材料需求,以及由此产生的产品温室气体排放。然而,对于高速激光定向能沉积等新兴技术而言,缺乏对整个工艺链的环境影响分析。为了在早期阶段分析和利用效率潜力,有必要在生产前评估部件对环境的影响。因此,本文介绍了一种开发定制模型的方法,该模型能够预测特定零件对环境的影响。该方法包括从原材料提取、粉末生产、增材制造到后处理的整个流程链。该方法通过其三级结构(包括信息查询、单个数据库和计算模型),可在生产前对环境影响及其因果关系进行深入分析,从而识别并直接实现减少环境影响的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
3.80
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