Kishore Akhil, John Merbin, Ralls Alessandro M, Jose Subin Antony, Kuruveri Udaya Bhat, Menezes Pradeep L
Quest-Global Engineering Services Pvt Ltd., Bengaluru 560103, India.
Department of Mechanical Engineering, University of Nevada, Reno, NV 89557, USA.
Nanomaterials (Basel). 2022 Apr 20;12(9):1415. doi: 10.3390/nano12091415.
Ultrasonic nanocrystal surface modification (UNSM) is a unique, mechanical, impact-based surface severe plastic deformation (SPD) method. This newly developed technique finds diverse applications in the aerospace, automotive, nuclear, biomedical, and chemical industries. The severe plastic deformation (SPD) during UNSM can generate gradient nanostructured surface (GNS) layers with remarkable mechanical properties. This review paper elucidates the current state-of-the-art UNSM technique on a broad range of engineering materials. This review also summarizes the effect of UNSM on different mechanical properties, such as fatigue, wear, and corrosion resistance. Furthermore, the effect of USNM on microstructure development and grain refinement is discussed. Finally, this study explores the applications of the UNSM process.
超声纳米晶表面改性（UNSM）是一种独特的、基于机械冲击的表面严重塑性变形（SPD）方法。这种新开发的技术在航空航天、汽车、核、生物医学和化学工业中有多种应用。UNSM过程中的严重塑性变形（SPD）可以产生具有卓越机械性能的梯度纳米结构表面（GNS）层。这篇综述文章阐明了当前在广泛工程材料上的先进UNSM技术。本综述还总结了UNSM对不同机械性能的影响，如疲劳、磨损和耐腐蚀性。此外，还讨论了USNM对微观结构发展和晶粒细化的影响。最后，本研究探讨了UNSM工艺的应用。
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