A new approach of measuring through-thickness Young's moduli of composite materials using nanoindentation was proposed. First, an approximate expression of the reduced modulus of nanoindentation was introduced for orthotropic composites. Second, spherical nanoindentation was conducted for an E-glass fiber/vinyl ester composite system, and measured Young's modulus was quite consistent with the previously reported value for a similar material system.
Measurements of Through-Thickness Young's Moduli of Fibrous Composite Laminates Using Nanoindentation
Contributed by the Materials Division of ASME for publication in the Journal of Engineering Materials and Technology. Manuscript received October 23, 2018; final manuscript received January 30, 2019; published online March 11, 2019. Assoc. Editor: Vikas Tomar.
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Xu, L. R., Martinez, R., and Zhao, K. (March 11, 2019). "Measurements of Through-Thickness Young's Moduli of Fibrous Composite Laminates Using Nanoindentation." ASME. J. Eng. Mater. Technol. July 2019; 141(3): 031007. https://doi.org/10.1115/1.4042746
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