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RESEARCH PAPERS

Strain-Induced Elastic Anisotropy Measured With Ultrasonic Waves

[+] Author and Article Information
Kazuyuki Sasaki

Nagasaki Research and Development Center, Mitsubishi Heavy Industries, Ltd., 1-1, Akunoura-cho, Nagasaki 850-90, Japan

Yukio Iwashimizu

Department of Mechanical Engineering, Ritsumeikan University, 56-1 Tojiin-kitamachi, Kita-ku, Kyoto 603, Japan

Osami Kobori

Department of Mechanical Engineering, Faculty of Engineering, Osaka Sangyo University, 3-1-1, Nakagaito, Daito-shi, Osaka 574, Japan

J. Appl. Mech 57(4), 930-936 (Dec 01, 1990) (7 pages) doi:10.1115/1.2897663 History: Received April 10, 1989; Revised August 31, 1989; Online March 31, 2008

Abstract

Measurements on ultrasonic velocities were performed to define elastic anisotropy produced in steel by plastic compressive deformation. Cylindrical blocks cut from a SS41 steel bar were compressed plastically along the bar axis, and then used to make specimens available for different propagation directions. Velocity variations with plastic strain were shown linear in the strain range from 0.09 to 0.22, and, the strain-induced transverse isotropy of slight degree was determined by analyzing their direction dependences.

Copyright © 1990 by The American Society of Mechanical Engineers
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