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hygrothermal ageing
    Study of the Hygrothermal Ageing Behavior of PET
    PET的湿热老化性能研究
    STUDY ON THE HYGROTHERMAL AGEING OF GLASS FIBER REINFORCED THERMOPLASTIC POLYESTER COMPOSITE
    玻纤增强热塑性聚酯复合材料湿热老化研究
    Study on Hygrothermal Ageing Mechanisms of Aerospace Structural Composites
    航空航天结构复合材料湿热老化机理的研究
    Research to the hygrothermal ageing characteristic of solid rocket motor (SRM) adhint
    固体火箭发动机粘接界面湿热老化特性探究
    The changes in mechanical and physical properties and chemical structure of polyvinyl formal (PVFM) foam caused by hygrothermal ageing tests were studied by means of IR and other measuring methods.
    用红外光谱和其他测试方法对聚乙烯醇缩甲醛(PVFM)泡沫材料湿热老化前后力学性能、物理性能和化学结构的变化进行了研究。
    great dimensional changes have occured after 24 hours' hygrothermal ageing tests;
    ②经24h的湿热老化产生了严重的尺寸变化;
    The hygrothermal ageing mechanisms of two types of composites, T300/bismaleimide 5405 and T300/epoxy NY9200, were analyzed by investigating the changes in water absorption kinetics, IR spectrums, dynamic mechanical properties and surface appearance of the two composites and the matrix resins used in them during water immersion at 80℃.
    通过研究T30 0 / 5 40 5和T30 0 /NY92 0 0复合材料以及基体树脂 5 40 5和NY92 0 0的浇注料在 80℃水浸中的吸水动力学、红外光谱、动态力学性能和表面形态的变化 ,分析了复合材料的湿热老化机理。
    Long time hygrothermal ageing may have significant effects on the structure of the blend when the cure extent is not sufficiently high.
    固化程度越大 ,湿热老化对化学结构影响越小 ,但当固化转化率不高时 (例如小于 90 % ) ,湿热老化可能对共混物结构产生显著影响
 

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