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2007•Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIERequires access

Generation and control of two way shape memory effect for SMA coil spring

K. K. Jee, Jun Hyun Han, Y. B. Kim, W.Y. Jang

Open publisher page 1 citations

Abstract

There has been no doubt that a closed coil can not be further compressed. We found out that compression of a closed coil is achieved by reversing coil orientation and subsequently extending the coil. The new technology makes many applications of coil springs feasible that have been regarded as impossibility. Control and generation of two way shape memory effect (twsme) of shape memory alloys are taken here as examples.

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What this paper is about

There has been no doubt that a closed coil can not be further compressed. We found out that compression of a closed coil is achieved by reversing coil orientation and subsequently extending the coil. The new technology makes many applications of coil springs feasible that have been regarded as impossibility. Control and generation of two way shape memory effect (twsme) of shape memory alloys are taken here as examples.

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Available abstract

There has been no doubt that a closed coil can not be further compressed. We found out that compression of a closed coil is achieved by reversing coil orientation and subsequently extending the coil. The new technology makes many applications of coil springs feasible that have been regarded as impossibility. Control and generation of two way shape memory effect (twsme) of shape memory alloys are taken here as examples.

Key concepts: Electromagnetic coil, Coil spring, SMA*, Shape-memory alloy, Spring (device), Fuse (electrical), Compression (physics), Voice coil

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