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Material Qualification and Equivalency for Polymer Matrix Composite Material Systems

机译:聚合物基复合材料体系的材料鉴定和等效性

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摘要

This document presents a qualification plan that will provide the detailed background information and engineering practices to help ensure the control of repeatable base material properties and processes, which are applied to both primary and secondary structures for aircraft products using composite materials. This qualification plan includes recommendations for the original qualification as well as procedures to statistically establish equivalence to the original data set. The plan describes in detail the procedures to generate statistically based design allowables for both A- and B-basis applications. Specific test matrices are presented which produce lamina level composite material properties for various loading modes and environmental conditions for aircraft applications not exceeding 200 deg F. This plan only covers the initial material qualification at the lamina level and does not include procedures for laminate or higher-level building block tests. The general methodology, however, is applicable to a broader usage.

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