期刊
EARTHQUAKE ENGINEERING & STRUCTURAL DYNAMICS
卷 40, 期 1, 页码 107-115出版社
WILEY
DOI: 10.1002/eqe.1029
关键词
shape memory alloy (SMA); superelasticity; Cu-Al-Mn; Ni-Ti; Cu-Al-Be
资金
- Japan Institute of Construction Engineering (JICE)
- Japan Society for the Promotion of Science (JSPS) [20360253]
- Grants-in-Aid for Scientific Research [20360253] Funding Source: KAKEN
We present the results of the quasi-static cyclic tensile tests of Cu-Al-Mn shape memory alloy (SMA) bars of 4 and 8 mm diameters to examine their superelasticity and other mechanical properties closely related to seismic applications. The present Cu-Al-Mn SMA bars have achieved the recovery strains of over 8% and the fracture strains of over 17%. Low-cycle fatigue was observed in neither of the bars. The mechanical properties obtained from the test, along with the lower material cost and higher machinability than Ni-Ti SMAs, demonstrate the high potential of the present Cu-Al-Mn SMA bars to be used in seismic applications. Copyright (C) 2010 John Wiley & Sons, Ltd.
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