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Life Cycle Assessment of Metal Products Produced by Additive Manufacturing: A Metal Mold Case Study
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2022-04-11 , DOI: 10.1021/acssuschemeng.1c08445 Barbora Stieberova 1 , Michaela Broumova 1 , Michal Matousek 2 , Miroslav Zilka 1
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2022-04-11 , DOI: 10.1021/acssuschemeng.1c08445 Barbora Stieberova 1 , Michaela Broumova 1 , Michal Matousek 2 , Miroslav Zilka 1
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Additive manufacturing represents a promising technology with strong potential for future applications, which is ever widening due to the progressive removal of technological and economic barriers. This study is directed at quantifying the environmental and economic benefits, across the entire life cycle, of the application of additive technology direct metal laser sintering (DMLS) in the production of metal molds in comparison with their conventional production. The molds produced by the technologies under comparison are designed for die casting of zinc parts for the automotive industry. An important part of this article is an overview and comparison of available life cycle analysis studies focused on the additive manufacturing of metals. The results of this study demonstrate that although the material used in 3D printing brings higher environmental impacts and is significantly more expensive, even in the production phase additive technology is associated with lower impacts in most categories evaluated by the chosen method of IMPACT 2002+. Even greater benefits are associated with the use phase. Similar results are achieved in the evaluation of levels of cumulative energy demand, greenhouse emissions, and life cycle costs.
中文翻译：
增材制造金属产品的生命周期评估：金属模具案例研究
增材制造代表了一种有前途的技术，具有巨大的未来应用潜力，由于技术和经济障碍的逐步消除，这种技术正在不断扩大。本研究旨在量化在金属模具生产中应用添加剂技术直接金属激光烧结 (DMLS) 与传统生产相比在整个生命周期内的环境和经济效益。采用对比技术生产的模具专为汽车行业的锌部件压铸而设计。本文的一个重要部分是对专注于金属增材制造的可用生命周期分析研究的概述和比较。这项研究的结果表明，尽管 3D 打印中使用的材料带来了更高的环境影响并且价格显着更高，但即使在生产阶段，添加剂技术在通过 IMPACT 2002+ 所选方法评估的大多数类别中也与较低的影响相关。更大的好处与使用阶段相关。在评估累积能源需求、温室气体排放和生命周期成本的水平时，也取得了类似的结果。
更新日期：2022-04-11
中文翻译：
增材制造金属产品的生命周期评估：金属模具案例研究
增材制造代表了一种有前途的技术，具有巨大的未来应用潜力，由于技术和经济障碍的逐步消除，这种技术正在不断扩大。本研究旨在量化在金属模具生产中应用添加剂技术直接金属激光烧结 (DMLS) 与传统生产相比在整个生命周期内的环境和经济效益。采用对比技术生产的模具专为汽车行业的锌部件压铸而设计。本文的一个重要部分是对专注于金属增材制造的可用生命周期分析研究的概述和比较。这项研究的结果表明，尽管 3D 打印中使用的材料带来了更高的环境影响并且价格显着更高，但即使在生产阶段，添加剂技术在通过 IMPACT 2002+ 所选方法评估的大多数类别中也与较低的影响相关。更大的好处与使用阶段相关。在评估累积能源需求、温室气体排放和生命周期成本的水平时，也取得了类似的结果。
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