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Environmental Degradation of Composite Materials 复合材料的环境退化
发布日期: 2018-10-18
根据AS36100的-4.11,托盘、网和集装箱施工中使用的材料应考虑环境条件的影响,如使用中预期的温度、湿度和紫外线降解。根据(E)TSO-C90,申请人应考虑因老化、紫外线(UV)暴露、风化等造成的环境退化。,用于制造托盘、网、,本航空航天推荐规程(ARP)的目的是为在设计中鉴定复合材料以满足(E)TSO-C90最低性能标准时考虑的环境退化效应的基本要求提供指南。材料鉴定是对材料属性和特性的验证,其通常通过测试来确定。 与原材料和制造工艺相关的材料差异不属于本航空航天推荐规程(ARP)的一部分,也不属于损伤容限。然而,不能忽略这些差异,因为在确定环境影响的测试因素时,应考虑所有差异。
In accordance with - 4.11 of AS36100, materials used in the construction of pallets, nets, and containers shall take into account the effects of environmental conditions, such as temperature, humidity, and UV degradation, expected in service.In accordance with (E)TSO-C90, the applicant shall consider environmental degradation due to aging, ultra-violet (UV) exposure, weathering, etc., for any materials used in the construction of pallets, nets, and containers.The purpose of this Aerospace Recommended Practice (ARP) is to provide guidelines for the basic requirements to be considered regarding environmental degradation effects when qualifying composite materials in the design to fulfill the (E)TSO-C90 Minimum Performance Standard.Material qualification is the verifying of a materials attributes and characterizations, which are typically determined through testing.Material variances related to raw materials and manufacturing processes are not part of this Aerospace Recommended Practice (ARP), nor is damage tolerance. However, these variances cannot be neglected, as all variances shall be considered when deciding the test factors for environmental effects.
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