CN206756566U - 一种标准厚度单层复合材料力学试样 - Google Patents
一种标准厚度单层复合材料力学试样 Download PDFInfo
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Abstract
本实用新型属于复合材料试验技术领域，涉及一种标准厚度单层复合材料力学试样。标准厚度单层复合材料力学试样的单层由铺层组结构构成，铺层组结构内的单层厚度为标准厚度单层复合材料力学试样的单层厚度的1/N，其中，N为铺层组结构内的单层的层数，且每个铺层组结构内的单层数量相同。本实用新型设计的标准厚度单层复合材料力学试样采用与待力学结构化效应评定的复合材料力学试样不仅采用完全相同的预浸料体系，而且预浸料厚度也完全相同，可完全排除材料性能差异的影响，科学合理地评定复合材料因单层薄化所产生的力学结构化效应。
Description
技术领域
本实用新型属于复合材料试验技术领域，涉及一种标准厚度单层复合材料力学试样。
背景技术
复合材料具有多层次的结构特征，其是数个单层结构的叠合体，从复合材料理论上来讲，相比于标准厚度单层(多为0.125mm或0.2mm)复合材料，单层薄化的复合材料在诸如冲击后压缩性能、纵横剪切等性能方面会产生力学结构化效应，力学结构化效应采用标准厚度单层复合材料试样力学性能为基准进行评定。传统上，标准厚度单层复合材料力学试样的制备采用标准厚度的预浸料，然而如此设计的标准厚度单层复合材料力学试样是有缺陷的，最核心的原因是，标准厚度单层复合材料力学试样与其待对比的其它单层厚度的复合材料力学试样，所用的预浸料体系厚度不同，基于现有的预浸料制备工艺，厚度不同的预浸料在制备过程中纤维损伤程度不同，力学结构化效应评定会纳入材料性能差异的影响，因此非常有必要重新设计标准厚度单层复合材料力学试样，以消除材料性能差异的影响，更加科学合理地评定复合材料因单层薄化所产生的力学结构化效应。
发明内容
本实用新型的目的：针对传统标准厚度单层复合材料力学试样存在的缺陷，提出一种标准厚度单层复合材料力学试样。
本实用新型的技术方案是：标准厚度单层复合材料力学试样的单层由铺层组结构构成，铺层组结构内的单层厚度为标准厚度单层复合材料力学试样的单层厚度的1/N，其中，N为铺层组结构内的单层的层数，且每个铺层组结构内的单层数量相同。
本实用新型具有的优点和有益效果：本实用新型设计的标准厚度单层复合材料力学试样采用与待力学结构化效应评定的复合材料力学试样不仅采用完全相同的预浸料体系，而且预浸料厚度也完全相同，可完全排除材料性能差异的影响，科学合理地评定复合材料因单层薄化所产生的力学结构化效应。
附图说明
图1：标准厚度单层复合材料力学试样结构示意图。
具体实施方式
标准厚度单层复合材料力学试样的单层1由铺层组结构构成，铺层组结构内的单层2厚度为标准厚度单层复合材料力学试样的单层厚度的1/N，其中，N为铺层组结构内的单层的层数，且每个铺层组结构内的单层数量相同。
具体实施例
用于评定单层厚度0.025mm、标准单层厚度0.125mm的ZT7H/5429冲击后压缩强度力学试样。
该标准厚度0.125mm单层的ZT7H/5429复合材料力学试样的单层由铺层组结构构成，铺层组结构内的单层厚度0.025mm为标准厚度单层复合材料力学试样的单层厚度0.125mm的1/5，其中，铺层组结构内的单层的层数为5，且每个铺层组结构内的单层数量相同。
Claims (1)
1.一种标准厚度单层复合材料力学试样，其特征在于，标准厚度单层复合材料力学试样的单层由铺层组结构构成，铺层组结构内的单层厚度为标准厚度单层复合材料力学试样的单层厚度的1/N，其中，N为铺层组结构内的单层的层数，且每个铺层组结构内的单层数量相同。
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