지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.10
- 수록면
- 330 - 340 (11page)
이용수
초록· 키워드
오류제보하기
The martensitic Ni-Ti shape memory alloys(SMA) can achieve a two-way shape memory effect (TWSME) through thermomechanical training/cycling. In this study, the surface of Ni-Ti SMA sheets was treated by depositing a certain number of titanium (Ti) powder layers using a selective laser meling (SLM) process to enhance TWSME. The results showed that a unique TWSME of approximately 12% with good stability was achieved after 100 training cycles when the optimum number of five Ti layers was deposited. A larger HAZ and lower cooling rate pushed more Ti particles into the grains rather than the grain boundaries, providing more time for Ti to react with NiTi to form Ti-rich intergranular Ti2Ni(Ox) precipitates. This resulted in further hindering of dislocation movement within the grains and the generation of internal stress fields required for attaining a larger TWSME. With an increase in the number of Ti-deposited layers, there was no noticeable reduction in the one-way shape memory effect (OWSME) through the initial cycling. This was due to the high residual tensile stress caused by the lower thermal expansion of the Ti layer compared to the Ni-Ti sheet.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
REFERENCES
참고문헌 (19)
참고문헌 신청
M. Lazić, M.M. Lazić, M.J. Karišik, M. Lazarević, A. Jug, I. Anžel, J. Milašin, 2022, Biocompatibility Study of a Cu-Al-Ni Rod Obtained by Continuous Casting. Processes, Vol. 10, pp. 1507. https://doi.org/10.3390/pr10081507
Q.Y Hamid, W.Z. Wan Hasan, W.Z., Azmah Hanim, M.A., Nuraini, A.A., M.N Hamidon, H.R, Ramli, 2023, Shape memory alloys actuated upper limb devices: A review, Sens. Actuators Rep., Vol. 5, pp 100160. https://doi.org/10.1016/j.snr.2023.100160
T.W. Duwrig, K.N. Melton, D. Stockel, C.M. Wayman, Engineering aspects of shape memory alloys, Butterworth-heinmann, London, UK), 1990, pp.195-206. https://doi.org/10.1080/10426919308934859
X. M. ZhangJ. FernandezJ. M. Guilemany, Role of external applied stress on the two-way shape memory effect, Materials Science and Engineering: A25 November 2006, Vol. 438-440, pp. 431-435. https://doi.org/10.1016/j.msea.2006.02.093
E.P. Ryklina, S.D. Prokoshkin, I.Y. Khmelevskaya, A.A. Shakhmina, 2008, One-way and two-way shape memory effect in thermomechanically treated TiNi-based alloys, Mater. Sci. Eng. A., Vol. 481-482, pp. 134-137. https://doi.org/10.1016/j.msea.2007.03.118
Q.Y Hamid, W.Z. Wan Hasan, W.Z., Azmah Hanim, M.A., Nuraini, A.A., M.N Hamidon, H.R, Ramli, 2023, Shape memory alloys actuated upper limb devices: A review, Sens. Actuators Rep., Vol. 5, pp 100160. https://doi.org/10.1016/j.snr.2023.100160
T.W. Duwrig, K.N. Melton, D. Stockel, C.M. Wayman, Engineering aspects of shape memory alloys, Butterworth-heinmann, London, UK), 1990, pp.195-206. https://doi.org/10.1080/10426919308934859
X. M. ZhangJ. FernandezJ. M. Guilemany, Role of external applied stress on the two-way shape memory effect, Materials Science and Engineering: A25 November 2006, Vol. 438-440, pp. 431-435. https://doi.org/10.1016/j.msea.2006.02.093
E.P. Ryklina, S.D. Prokoshkin, I.Y. Khmelevskaya, A.A. Shakhmina, 2008, One-way and two-way shape memory effect in thermomechanically treated TiNi-based alloys, Mater. Sci. Eng. A., Vol. 481-482, pp. 134-137. https://doi.org/10.1016/j.msea.2007.03.118
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