Additive Manufacturing of Stainless Steel Biomedical Devices
Metallic alloys that are typically used for medical purposes include stainless steels, Ti-6Al-4V, and Co-Cr-Mo. This article discusses the relative merits of each of these alloys. The utilization of stainless steels in the biomedical industry, especially in relation to the additive manufacturing (AM) process, is the main focus of this article. The characteristics of various stainless steels are described subsequently, and the categories that are of relevance to the biomedical industry are identified. The types of stainless steels covered are austenitic, ferritic, martensitic, duplex, and precipitation-hardened stainless steels. The article discusses the potential benefits of AM for biomedical devices. It describes the types of AM processes for stainless steels, namely binder jet, directed-energy deposition, and laser powder-bed fusion. The article reviews the AM of austenitic, martensitic, and PH stainless steels for biomedical applications. In addition, the challenges and obstacles to the clinical use of AM parts are covered.
Nicholas Ury, Samad Firdosy, Vilupanur Ravi, Additive Manufacturing of Stainless Steel Biomedical Devices, Additive Manufacturing in Biomedical Applications, Vol 23A, ASM Handbook, Edited By Roger J. Narayan, ASM International, 2022, p 164–175, https://doi.org/10.31399/asm.hb.v23A.a0006888
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