Effect of change in coil orientation for SMA spring

Title
Effect of change in coil orientation for SMA spring
Authors
K. E. KimJ. H. HanY. M. Sung지광구W. Y. Jang
Keywords
SMA coil spring; Initial tension; Reverse of coil orientation; Perfect recovery; Two way shape memory effect
Issue Date
2013-12
Publisher
Journal of alloys and compounds
Citation
VOL 577, S741-S744
Abstract
This work is concerned with fabrication of SMA coil spring which shows perfect recovery despite slip deformation by using the ‘initial tension’. We have developed a new method of providing the initial tension to SMA springs by changing coil orientation after the shape setting treatment. In this paper, some examples are introduced that a perfect recovery with a greater force, though permanent deformation is involved in the deformation, can be attained by the initial tension. Besides generation of two way shape memory effect is presented using the reverse of coil orientation.
URI
http://pubs.kist.re.kr/handle/201004/46008
ISSN
09258388
Appears in Collections:
KIST Publication > Article
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