Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part

Carbon fiber-reinforced plastic (CFRP) has the advantages of being light weight, high strength, and corrosion resistant. At present, it is widely used in the lightweight design of automobile parts. The manufacturing of lightweight parts inevitably involves the connection between CFRP and the polymer...

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Autores principales:	Bin Xu, Meng-Yang Wei, Xiao-Yu Wu, Lian-Yu Fu, Feng Luo, Jian-Guo Lei
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	carbon fiber composite polyamide 6 composite part micro-groove connection strength Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/84562a438d514b9895cd8d208ac24233
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spelling	oai:doaj.org-article:84562a438d514b9895cd8d208ac242332021-11-25T18:49:36ZFabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part10.3390/polym132240392073-4360https://doaj.org/article/84562a438d514b9895cd8d208ac242332021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/4039https://doaj.org/toc/2073-4360Carbon fiber-reinforced plastic (CFRP) has the advantages of being light weight, high strength, and corrosion resistant. At present, it is widely used in the lightweight design of automobile parts. The manufacturing of lightweight parts inevitably involves the connection between CFRP and the polymer material. The connection strength between CFRP and the polymer material significantly affects the service life of the composite parts. Taking CFRP and polyamide 6 (PA6) injection-molded composite parts as an example, this paper proposed a technological method to enhance the connection strength between CFRP and PA6. The proposed method was to fabricate micro-groove structures on the CFRP surface by compression molding. These micro-groove structures effectively increased the injection-molding area of the composite parts, thus enhancing the connection strength between CFRP and PA6. This paper presented a detailed study on the compression-molding process of micro-grooves on the CFRP surface, and successfully obtained the appropriate parameters. Finally, PA6 was used for injection molding on the CFRP with micro-grooves at an injection pressure of 8 MPa, an injection temperature of 240 °C, a holding pressure of 5 MPa, and a holding time of 2.5 s. The experimental results show that the micro-groove array structures on the CFRP surface could effectively improve the tensile strength of the connection interface in the composite parts. Compared with the composite part without micro-grooves, the tensile strength of the composite part with micro-grooves was increased by 80.93%. The composite parts prepared in this paper are mainly used in automobile interiors and the research results of this paper meet the actual needs of the enterprise.Bin XuMeng-Yang WeiXiao-Yu WuLian-Yu FuFeng LuoJian-Guo LeiMDPI AGarticlecarbon fiber compositepolyamide 6composite partmicro-grooveconnection strengthOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 4039, p 4039 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	carbon fiber composite polyamide 6 composite part micro-groove connection strength Organic chemistry QD241-441
spellingShingle	carbon fiber composite polyamide 6 composite part micro-groove connection strength Organic chemistry QD241-441 Bin Xu Meng-Yang Wei Xiao-Yu Wu Lian-Yu Fu Feng Luo Jian-Guo Lei Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
description	Carbon fiber-reinforced plastic (CFRP) has the advantages of being light weight, high strength, and corrosion resistant. At present, it is widely used in the lightweight design of automobile parts. The manufacturing of lightweight parts inevitably involves the connection between CFRP and the polymer material. The connection strength between CFRP and the polymer material significantly affects the service life of the composite parts. Taking CFRP and polyamide 6 (PA6) injection-molded composite parts as an example, this paper proposed a technological method to enhance the connection strength between CFRP and PA6. The proposed method was to fabricate micro-groove structures on the CFRP surface by compression molding. These micro-groove structures effectively increased the injection-molding area of the composite parts, thus enhancing the connection strength between CFRP and PA6. This paper presented a detailed study on the compression-molding process of micro-grooves on the CFRP surface, and successfully obtained the appropriate parameters. Finally, PA6 was used for injection molding on the CFRP with micro-grooves at an injection pressure of 8 MPa, an injection temperature of 240 °C, a holding pressure of 5 MPa, and a holding time of 2.5 s. The experimental results show that the micro-groove array structures on the CFRP surface could effectively improve the tensile strength of the connection interface in the composite parts. Compared with the composite part without micro-grooves, the tensile strength of the composite part with micro-grooves was increased by 80.93%. The composite parts prepared in this paper are mainly used in automobile interiors and the research results of this paper meet the actual needs of the enterprise.
format	article
author	Bin Xu Meng-Yang Wei Xiao-Yu Wu Lian-Yu Fu Feng Luo Jian-Guo Lei
author_facet	Bin Xu Meng-Yang Wei Xiao-Yu Wu Lian-Yu Fu Feng Luo Jian-Guo Lei
author_sort	Bin Xu
title	Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
title_short	Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
title_full	Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
title_fullStr	Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
title_full_unstemmed	Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part
title_sort	fabrication of micro-groove on the surface of cfrp to enhance the connection strength of composite part
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/84562a438d514b9895cd8d208ac24233
work_keys_str_mv	AT binxu fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart AT mengyangwei fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart AT xiaoyuwu fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart AT lianyufu fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart AT fengluo fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart AT jianguolei fabricationofmicrogrooveonthesurfaceofcfrptoenhancetheconnectionstrengthofcompositepart
_version_	1718410656234864640

Fabrication of Micro-Groove on the Surface of CFRP to Enhance the Connection Strength of Composite Part

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