Determination of Interlaminar Residual Thermal Stresses in a Woven 8HS Graphite/PMR-15 Composite Using X-Ray Diffraction Measurements

作者: B. Benedikt , P. Rupnowski , L. Kumosa , J. K. Sutter , P. K. Predecki

DOI: 10.1080/15376490290097026

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摘要: This work is a continuation of the research recently presented in [1] and [2] on determination residual thermal stresses graphite/polyimide composites with without externally applied bending loads. In previous [1, 2] combined experimental numerical methodology for unidirectional graphite/PMR-15 based X-ray diffraction (XRD) measurements strains embedded aluminum (Al) silver (Ag) inclusions has been presented. this research, previously developed approach to evaluate interlaminar an 8 harness satin (8HS) woven composite. First, have measured by XRD between first second plies four-ply 8HS The conducted composite specimens subjected four-point deformations. Second, viscoelastic comp...

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