Ultrasonic Nanocrystal Surface Modification: Processes, Characterization, Properties, and Applications

Akhil Kishore; Merbin John; Alessandro M Ralls; Subin Antony Jose; Udaya Bhat Kuruveri; Pradeep L Menezes

doi:10.3390/nano12091415

Ultrasonic Nanocrystal Surface Modification: Processes, Characterization, Properties, and Applications

Nanomaterials (Basel). 2022 Apr 20;12(9):1415. doi: 10.3390/nano12091415.

Authors

Akhil Kishore¹, Merbin John², Alessandro M Ralls², Subin Antony Jose², Udaya Bhat Kuruveri³, Pradeep L Menezes²

Affiliations

¹ Quest-Global Engineering Services Pvt Ltd., Bengaluru 560103, India.
² Department of Mechanical Engineering, University of Nevada, Reno, NV 89557, USA.
³ Department of Metallurgical and Materials Engineering, National Institute of Technology, Surathkal, Mangalore 575025, India.

Abstract

Ultrasonic nanocrystal surface modification (UNSM) is a unique, mechanical, impact-based surface severe plastic deformation (S²PD) 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.

Keywords: gradient nanostructured layers; mechanical properties; microstructure; severe plastic deformation; ultrasonic nanocrystal surface modification.

Publication types

Review