Influence of Fiber Surface Treatment on Hydrothermal Aging Behavior of a Woven Thermoplastic Laminate 


Vol. 22,  No. 6, pp. 1633-1642, Jun.  2021
10.1007/s12221-021-0796-1


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  Abstract

A detailed investigation on the effects of hydrothermal aging on the mechanical and thermal performance of woven carbon-fiber-reinforced polyamide 6 (CF/PA6) laminates processed using hot compression molding is presented. A surface treatment with a polyurethane dispersion (PUD) agent is applied on CFs to enhance the interfacial bonding capability between the CF and PA6 matrix. The moisture uptake results indicate that untreated CF/PA6 laminates exhibit higher equilibrium moisture absorption (M), corrected diffusion coefficient (DC), and rate of diffusion (k) than treated CF/PA6 laminates, implying that the interface damage of untreated CF/PA6 laminates is more pronounced than that of treated CF/PA6 laminates. The mechanical performance of the CF/PA6 laminates reduces significantly after water absorption and hydrothermal aging. Nevertheless, PUD-treated composites exhibit higher remaining flexural property than the virgin composites, due to the improved durability of CF/PA6 interface, as verified by the scanning electron microscopy results. Dynamic mechanical properties (i.e., Tg, storage modulus, and tan 灌) of the treated CF/PA6 laminates degrade more slowly than those of the untreated CF/PA6 laminates. Finally, the relationships between flexural property retention and moisture absorption ratio (i.e., Mt/M), and between flexural property retention and tan 灌 for both types of CF/PA6 laminates are established.

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  Cite this article

[IEEE Style]

I. o. F. S. T. o. H. A. B. o. a. W. T. Laminate, "Influence of Fiber Surface Treatment on Hydrothermal Aging Behavior of a Woven Thermoplastic Laminate," Fibers and Polymers, vol. 22, no. 6, pp. 1633-1642, 2021. DOI: 10.1007/s12221-021-0796-1.

[ACM Style]

Influence of Fiber Surface Treatment on Hydrothermal Aging Behavior of a Woven Thermoplastic Laminate. 2021. Influence of Fiber Surface Treatment on Hydrothermal Aging Behavior of a Woven Thermoplastic Laminate. Fibers and Polymers, 22, 6, (2021), 1633-1642. DOI: 10.1007/s12221-021-0796-1.

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pISSN : 1229 - 9197
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