The Metallurgy of Additive Manufacturing: Potentials and Challenges towards Industrialisation

P Mayr, S Rauh, G Matheson, S Rotzsche, S Hartmann, E Kabliman
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引用次数: 0

Abstract

The present paper discusses the potential and challenges of processing metallic materials using additive manufacturing. Particular focus is given to laser powder bed fusion (PBF-LB/M) and the use of traditional alloy powders such as Al alloys and Ni-based superalloys, as well as novel materials such as metal-matrix composites. The research includes the improvement of the processability of these alloys using PBF-LB/M and optimizing material properties such as strength, creep resistance, and thermal conductivity of printed parts for various applications. Another important aspect presented within this manuscript is the digital representation of advanced manufacturing systems to improve manufacturability and enable advanced quality control. Herein, the development of a digital twin through in-situ process monitoring for the direct energy deposition process of laser metal deposition is presented. In the last part, the future of materials development for additive manufacturing is discussed, focusing on applying material computational techniques. All demonstrated examples result from the successful cooperation between the Chair of Materials Engineering of Additive Manufacturing, TUM, and its industrial and research partners.
增材制造的冶金学:实现工业化的潜力与挑战
本文讨论了使用快速成型技术加工金属材料的潜力和挑战。本文特别关注激光粉末床熔融(PBF-LB/M)和传统合金粉末(如铝合金和镍基超合金)以及新型材料(如金属基复合材料)的使用。研究内容包括利用 PBF-LB/M 提高这些合金的加工性能,以及优化材料性能,如打印部件的强度、抗蠕变性和导热性,以满足各种应用的需要。本手稿介绍的另一个重要方面是先进制造系统的数字化表示,以提高可制造性并实现先进的质量控制。本文介绍了通过对激光金属沉积的直接能量沉积过程进行现场过程监控而开发的数字孪生系统。最后一部分讨论了增材制造材料开发的未来,重点是材料计算技术的应用。所有展示的实例都是德国技术大学增材制造材料工程教席与其工业和研究合作伙伴成功合作的成果。
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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