Deployment shock attenuation of a solar array tape hinge by means of the Martensite detwinning of NiTi Shape Memory Alloy

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This paper presents a new tape hinge for attenuating the deployment shock of a satellite solar array. This hinge uses the Martensite detwinning of Shape Memory Alloy (SMA). To attenuate the deployment shock, a NiTi SMA strip is assembled between two curved steel strips. The attenuation performance of the hinge is analyzed using a SMA detwinning constitutive equation. A prototype of the hinge is manufactured and its characteristics are measured in a bending test and in a deployment test. Finally, the deployment performance of the prototype hinge is investigated on a satellite model. It is shown that the new SMA damped tape hinge can effectively minimize the deployment shock and dynamic perturbation while also maintaining suitable deployment performance. (C) 2016 AIP Publishing LLC
Publisher
AMER INST PHYSICS
Issue Date
2016-03
Language
English
Article Type
Article
Keywords

CONSTITUTIVE MODEL; BEHAVIOR

Citation

REVIEW OF SCIENTIFIC INSTRUMENTS, v.87, no.3

ISSN
0034-6748
DOI
10.1063/1.4943073
URI
http://hdl.handle.net/10203/209052
Appears in Collection
ME-Journal Papers(저널논문)
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