화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2008년 봄 (04/10 ~ 04/11, 컨벤션 뷰로(대전))
권호 33권 1호
발표분야 고분자 가공/복합재료
제목 Self-Sensing and Interfacial Evaluation of Single-Shape Memory Alloy (SMA) Fiber/Epoxy Composites using Micromechanical Technique and Electrical Resistance Measurement
초록 Self-sensing and interfacial evaluation of single-shape memory alloy (SMA) fiber/epoxy composites were investigated using micromechanical test and electrical resistance measurement during curing and cyclic loading/unloading test. SMA (Shape Memory Alloy) is well known to be changed from martensite to austenite structure with increasing temperature or applying stress. Shape memory effect (SME) is the recovery properties with increasing temperature and applying stress. Superelasticity behavior was observed under continues stress-strain curve. Under a certain stress, modulus was reduced steepy and then recovered original modulus under further stress. Under cyclic loading stress was suddenly released at certain stress-stain level for a while and then decreased down to a certain stress-strain level again repeatedly. Acknowledgement: Wang, Zuo-Jia is grateful to the second stage of BK21 program for supporting a fellowship.
저자 왕작가, 장정훈, 김평기, 박종만
소속 경상대
키워드 Single-shape memory alloy (SMA); Interfacial evaluation; Micromechanical test; Superelasticity
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