Hygrothermal effects on viscoelastic responses of laminated composites

Sung Yi , Harry H. Hilton
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引用次数: 37

Abstract

Temperature and moisture content effects on viscoelastic responses of GY70/339, T300/934 and kevlar-epoxy laminated composites are investigated using finite element analyses. Time-dependent strains and stresses for these composite plates subjected to moisture absorption and desorption cycles are presented. The results show kevlar-epoxy laminates to be more strongly affected by hygrothermal loads than those made of graphite fibers.

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湿热对层合复合材料粘弹性响应的影响
采用有限元方法研究了温度和含水率对GY70/339、T300/934和芳纶-环氧复合材料粘弹性响应的影响。这些复合材料板经受吸湿和解吸循环时的应变和应力随时间变化。结果表明,与石墨纤维复合材料相比,芳纶环氧复合材料受湿热载荷的影响更大。
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