Influence of Residual Stresses on the Damage of Composite Laminates under Tensile Loading

Abstract:

This work investigates the effect of residual stresses on the damage of composite laminate. The incremental hole-drilling method is applied to determine residual stresses in composite laminates [0₂/θ₂]_s and then acoustic emission technique is used for the identification of damage appearance during the tensile testing. The samples with different residual stress distribution are prepared through curing and post curing in order to study the role of residual stress on the damage of composite laminates. Besides the experimental method, the theoretical approach is applied to illustrate the role of residual stress on the damage of composite laminates.

• Periodical: Applied Mechanics and Materials (Volume 784)
• Pages: 361-368
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.784.361
• Online since: August 2015
• Authors: Zhong Meng Wen*, Xiao Lu Gong
• Keywords: Acoustic Emission, Composite Laminate, Damage, Residual Stress

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