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Additive friction stir deposition: a deformation processing route to metal additive manufacturing
Materials Research Letters ( IF 8.3 ) Pub Date : 2020-11-24 , DOI: 10.1080/21663831.2020.1847211
Hang Z. Yu 1 , Rajiv S. Mishra 2, 3
Affiliation  

As the forging counterpart of fusion-based additive processes, additive friction stir deposition offers a solid-state deformation processing route to metal additive manufacturing, in which every voxel of the feed material undergoes severe plastic deformation at elevated temperatures. In this perspective article, we outline its key advantages, e.g. rendering fully-dense material in the as-printed state with fine, equiaxed microstructures, identify its niche engineering uses, and point out future research needs in process physics and materials innovation. We argue that additive friction stir deposition will evolve into a major additive manufacturing solution for industries that require high load-bearing capacity with minimal post-processing.



中文翻译:

添加剂摩擦搅拌沉积:金属增材制造的变形工艺路线

作为基于熔合的增材制造工艺的锻件,增材摩擦搅拌沉积为金属增材制造提供了固态变形处理途径,其中进料的每个体素在高温下都会经历严重的塑性变形。在这篇有远见的文章中,我们概述了它的主要优势,例如在印刷状态下使用精细的等轴微结构渲染完全致密的材料,确定其利基工程用途,并指出工艺物理和材料创新方面的未来研究需求。我们认为,添加剂摩擦搅拌沉积将演变成主要的添加剂制造解决方案,适用于要求高承载能力且后处理最少的行业。

更新日期:2020-11-25
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