铺层角度对碳纤维/形状记忆环氧树脂层合板形状回复性能的影响<sup>*</sup>

doi:10.11896/j.issn.1005-023X.2017.020.003

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Abstract The performances of flexural recovery and the local damage of the shape memory composite (SMC) laminates, which were composed of epoxy resin matrix and carbon fiber reinforcement, and differed in ply orientation, were studied. The research showed that the recovery ratio and force of [±θ]_s laminates decrease with the increase of ply angle, while the recovery time increases. The recovery time rises substantially when the ply angle reaches 45°, and the recovery ratio begins to reduce substantially when the ply angle reaches 60°. The recovery ratio and recovery time of the SMC laminates changed little during 15 cycles bending-recovering process, but the recovery force decreases gradually with the ply angle increasing from 0° to 30°. Finally, the local damage of laminates was analyzed. The result shows that the matrix of [0]₄ and [±15]_s laminates has reached ultimate shear strain and been badly damaged, and the damage will be worse with the increase of shaping times.

Key words： shape memory composite (SMC) epoxy resin carbon fiber laminate ply angle recovery ratio recovery force damage

Published: 05 May 2018

CLC number:

TB333

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	Articles by authors
	CHEN Yutao
	LI Wenxiao
	JIN Shiqi

Cite this article:

CHEN Yutao,LI Wenxiao,JIN Shiqi. Shape Recovery Properties of Carbon Fiber/Shape Memory Epoxy Resin Laminates with Diverse Ply Angles[J]. Materials Reports, 2017, 31(20): 11-16.

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http://www.mater-rep.com/EN/10.11896/j.issn.1005-023X.2017.020.003 OR http://www.mater-rep.com/EN/Y2017/V31/I20/11

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