Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process

Interfacial degradation is the main reason for deterioration of mechanical properties of composites in hydrothermal environments. In this study, the effect of the interphase on water diffusion in two types of unidirectional continuous carbon fiber-reinforced polyamide 6 (CF/PA6) composites is invest...

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Autores principales:	Lei Yongpeng, Luo Ling, Kang Zhenhang, Zhang Jifeng, Zhang Boming
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	continuous carbon fiber reinforced-polyamide 6 composites water diffusion halpin–tsai model interfacial effect Materials of engineering and construction. Mechanics of materials TA401-492
Acceso en línea:	https://doaj.org/article/6e4b5330d7574ce69ebcab85919507a8
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id	oai:doaj.org-article:6e4b5330d7574ce69ebcab85919507a8
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spelling	oai:doaj.org-article:6e4b5330d7574ce69ebcab85919507a82021-12-05T14:11:03ZModified Halpin–Tsai equation for predicting interfacial effect in water diffusion process2191-035910.1515/secm-2021-0017https://doaj.org/article/6e4b5330d7574ce69ebcab85919507a82021-04-01T00:00:00Zhttps://doi.org/10.1515/secm-2021-0017https://doaj.org/toc/2191-0359Interfacial degradation is the main reason for deterioration of mechanical properties of composites in hydrothermal environments. In this study, the effect of the interphase on water diffusion in two types of unidirectional continuous carbon fiber-reinforced polyamide 6 (CF/PA6) composites is investigated through experimental measurements, theoretical analysis, and numerical simulation. The moisture diffusion coefficient of composite at different environmental temperatures is characterized by water immersion tests for analyzing the barrier and accelerating effects of the interphase layer. Based on the experimental results, the three-phase Halpin–Tsai model is derived and validated, and then the critical diffusivity is obtained to quantify the interfacial effect during the diffusion process. To further validate the present three-phase Halpin–Tsai model, the stable and transient finite element models of moisture diffusion are developed. It is found that the critical diffusivity coefficient of the interphase for the CF/PA6 composite system is 7.31 times higher than that of the matrix.Lei YongpengLuo LingKang ZhenhangZhang JifengZhang BomingDe Gruyterarticlecontinuous carbon fiber reinforced-polyamide 6 compositeswater diffusionhalpin–tsai modelinterfacial effectMaterials of engineering and construction. Mechanics of materialsTA401-492ENScience and Engineering of Composite Materials, Vol 28, Iss 1, Pp 180-189 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	continuous carbon fiber reinforced-polyamide 6 composites water diffusion halpin–tsai model interfacial effect Materials of engineering and construction. Mechanics of materials TA401-492
spellingShingle	continuous carbon fiber reinforced-polyamide 6 composites water diffusion halpin–tsai model interfacial effect Materials of engineering and construction. Mechanics of materials TA401-492 Lei Yongpeng Luo Ling Kang Zhenhang Zhang Jifeng Zhang Boming Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
description	Interfacial degradation is the main reason for deterioration of mechanical properties of composites in hydrothermal environments. In this study, the effect of the interphase on water diffusion in two types of unidirectional continuous carbon fiber-reinforced polyamide 6 (CF/PA6) composites is investigated through experimental measurements, theoretical analysis, and numerical simulation. The moisture diffusion coefficient of composite at different environmental temperatures is characterized by water immersion tests for analyzing the barrier and accelerating effects of the interphase layer. Based on the experimental results, the three-phase Halpin–Tsai model is derived and validated, and then the critical diffusivity is obtained to quantify the interfacial effect during the diffusion process. To further validate the present three-phase Halpin–Tsai model, the stable and transient finite element models of moisture diffusion are developed. It is found that the critical diffusivity coefficient of the interphase for the CF/PA6 composite system is 7.31 times higher than that of the matrix.
format	article
author	Lei Yongpeng Luo Ling Kang Zhenhang Zhang Jifeng Zhang Boming
author_facet	Lei Yongpeng Luo Ling Kang Zhenhang Zhang Jifeng Zhang Boming
author_sort	Lei Yongpeng
title	Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
title_short	Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
title_full	Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
title_fullStr	Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
title_full_unstemmed	Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process
title_sort	modified halpin–tsai equation for predicting interfacial effect in water diffusion process
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/6e4b5330d7574ce69ebcab85919507a8
work_keys_str_mv	AT leiyongpeng modifiedhalpintsaiequationforpredictinginterfacialeffectinwaterdiffusionprocess AT luoling modifiedhalpintsaiequationforpredictinginterfacialeffectinwaterdiffusionprocess AT kangzhenhang modifiedhalpintsaiequationforpredictinginterfacialeffectinwaterdiffusionprocess AT zhangjifeng modifiedhalpintsaiequationforpredictinginterfacialeffectinwaterdiffusionprocess AT zhangboming modifiedhalpintsaiequationforpredictinginterfacialeffectinwaterdiffusionprocess
_version_	1718371427462152192

Modified Halpin–Tsai equation for predicting interfacial effect in water diffusion process

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