高性能纤维增强树脂基复合材料具有卓越的结构整体性及抗分层等特性,在诸多工业领域中具有广泛适用性。在其储藏及使用时,制件强度会不可避免地因湿热老化造成降解和退化。探讨和揭示高性能纤维增强树脂基复合材料在不同湿热老化环境下的力学响应,对其结构件的耐久性、安全服役性能和寿命预估具有至关重要的意义。综述了国内外高性能纤维增强树脂基复合材料湿热老化方面的研究进展,介绍了其吸湿机理以及在湿热环境下的老化机理。梳理了湿热老化环境对于高性能纤维增强树脂基复合材料力学性能的影响,寿命预测模型等。最后指出了高性能纤维增强树脂基复合材料老化研究存在的问题、面临的挑战,对未来研究发展方向提出了展望。
High-performance fiber reinforced resin matrix composites have excellent structural integrity and anti-delamination characteristics,and have a wide applicability in many industrial fields.It is inevitable that the strength degradation and deterioration of the fabricated parts will be caused by hygrothermal aging during storage and service.Exploring and revealing the mechanical response of high-performance fiber reinforced resin under different hygrothermal aging is of crucial significance for the durability,safe service performance and life prediction of the structural components.In this paper,the research progress on the hygrothermal aging of high-performance fiber reinforced resin matrix composites at home and abroad was reviewed,and the hygroscopic mechanism and the aging mechanism under hygrothermal environment were introduced.The influence of hygrothermal aging environment on the mechanical properties of high-performance fiber reinforced resin matrix composites and the life prediction models were summarized.Finally,the issues and challenges in the aging research of high-performance fiber reinforced resin matrix composites were pointed out,and the future research directions were discussed.
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基金资助
中国国家留学基金项目(202008120134);天津市自然科学基金重点项目(18JCZDIC10020)
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