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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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Shape memory alloys are widely used in various industries due to their unique characteristics such as shape memory effect and superelasticity effect. Electrical discharge machining and laser beam machining based on thermal removal are mainly used for machining shape memory alloys, but they have the disadvantage of forming a recast layer. In this study, the recast layer formed by machining and its effect on the actuation of shape memory alloys were studied. In the case of electrical discharge machining, the thickness of the recast layer increased as the discharge energy increased, and the material used for the discharge electrode was detected along with changes in the crystal grains in the recast layer. Phase transformation occurred in the recast layer formed by laser beam machining. As a result of analyzing the actuation performance of the shape memory alloy, it was confirmed that the thinner the recast layer and the better the actuation performance of the shape memory alloy was as the unique austenite and martensite phases for expressing the shape memory effect were maintained.
목차
ABSTRACT
1. 서론
2. 실험방법
3. 형상기억합금의 가공 결과
4. 형상기억합금의 구동 분석
5. 결론
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