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Impact of External Dimensions and Fiber Diameter on the Contraction Force Generated by Shape-Memory-Alloy Double-Sided Knitted Actuators
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- YOSHIMURA Yutaro
- Kanazawa University
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- NAKASHIMA Akichika
- Industrial Research Institute of Ishikawa
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- WAKAKO Lina
- Kanazawa University
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- KINARI Toshiyasu
- Kanazawa University
Bibliographic Information
- Other Title
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- 形状記憶合金両面編地アクチュエータの外形と線径が発生収縮力に及ぼす影響
- ケイジョウ キオク ゴウキン リョウメン アミジ アクチュエータ ノ ガイケイ ト センケイ ガ ハッセイ シュウシュクリョク ニ オヨボス エイキョウ
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Description
<p>The objective of this study was to improve the utility of a shape-memory-alloy (SMA) knitted fabric actuator. To that end, we employed a double-sided knitting structure with excellent structural stability and high yarn density and fabricated samples with different total number of courses, wales, and diameters of SMA fibers. These samples were subjected to repeated heating tests during uniaxial elongation along the direction of the wale, and the generated contraction force was measured. Furthermore, by comparing the results of the measurements, the influence of each parameter on the contraction force was evaluated. By including the amount of deformation in the direction of the knitting fabric width and the bending rigidity of the yarn in our analysis, we were able to determine the trend followed by the contraction force generated by SMA double-sided knitted fabrics. The results of this study are expected to be applicable to the development of smart textile products.</p>
Journal
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- Journal of Textile Engineering
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Journal of Textile Engineering 69 (2), 25-31, 2022-04-15
The Textile Machinery Society of Japan