NDLI: Influence of process parameters of ultrasonic shot peening on surface nanocrystallization and hardness of pure titanium

Content Provider	Springer Nature Link
Author	Zhu, Lihua Guan, Yanjin Wang, Yanjie Xie, Zhendong Lin, Jun
Copyright Year	2016
Abstract	Ultrasonic shot peening (USP) is a mechanical surface treatment to rapidly realize surface nanocrystallization of metals. In this paper, the influence rules and mechanism of process parameters of USP on surface nanocrystallization and hardness of pure titanium were studied. Significant hardness increases of different degrees were observed, and nanocrystalline (NC) layers of different thicknesses and grain sizes were obtained on the surface of pure titanium after USP treatments with different process parameters, including peening duration, shot diameter, sonotrode amplitude, and peening distance. The influence rules of process parameters on the NC layers and surface hardness of peened pure titanium were analyzed with experimental results measured by Vickers microhardness meter, optical microscope (OM), scanning electron microscope (SEM), X-ray diffraction pattern (XRD), and high-resolution transmission electron microscope (HRTEM). After the influence mechanism of process parameters was discussed, a relationship expression was identified between the surface hardness of pure titanium treated by USP and the process parameters with a correlation coefficient equal to 0.998.
Starting Page	1451
Ending Page	1468
Page Count	18
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	89
Issue Number	5-8
e-ISSN	14333015
Language	English
Publisher	Springer London
Publisher Date	2016-07-27
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ultrasonic shot peening Pure titanium Process parameters Surface nanocrystallization Surface hardness Industrial and Production Engineering Media Management Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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