This article provides an overview of the physics and math associated with moisture-related failures in plastic components. It develops key equations, showing how they are used to analyze the causes and effects of water uptake, diffusion, and moisture concentration in polymeric materials and resins. It explains how absorbed moisture affects a wide range of properties, including glass transition temperature, flexural and shear modulus,creep, stress relaxation, swelling, tensile and yield strength, and fatigue cracking. It provides relevant data on common polymers, resins, and fiber-resin composites.
Michelle Brown, Moisture-Related Failure of Plastics, Characterization and Failure Analysis of Plastics, Vol 11B, ASM Handbook, Edited By Todd J. Menna, ASM International, 2022, p 381–392, https://doi.org/10.31399/asm.hb.v11B.a0006929
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