Design of Ni-Ti-Cu Alloy Coil Spring

[+] Author and Article Information
K. Tsuji

Materials Research and Development Laboratory, Matsushita Electric Works, Ltd., 1048, Kadoma, Osaka 571, Japan

J. Eng. Ind 114(1), 105-108 (Feb 01, 1992) (4 pages) doi:10.1115/1.2899746 History: Received January 01, 1991; Revised March 01, 1991; Online April 08, 2008


A new method of coil spring design applicable to Ni-Ti-Cu shape memory alloy was studied. Design values agreed well with measurements within the range of 2 K of operating temperature, thus justifying the design. The present design method is based on the characteristics of shear stress, shear strain, and phase transformation temperature as its principal data, and therefore is accurate and superior in that the design can accommodate material deterioration and that the operation temperature can be determined.

Copyright © 1992 by The American Society of Mechanical Engineers
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