Research of processing characteristics and mechanical properties of semi-prepreg RTM composites

Wei Dong Li; Gang Liu; Jian Wen Bao; Xiao Lan Hu; Xiao Su Yi

doi:10.11868/j.issn.1005-5053.2014.3.009

Research of processing characteristics and mechanical properties of semi-prepreg RTM composites

Wei Dong Li, Gang Liu, Jian Wen Bao, Xiao Lan Hu, Xiao Su Yi

Research output: Journal Publication › Article › peer-review

6 Citations (Scopus)

Abstract

A novel semi-prepreg resin transfer molding (RTM) process was developed to address difficulties associated with RTM process and to improve the mechanical properties of the resulting composites. Unidirectional semi-prepregs exhibiting relatively good overlay characteristics were prepared via prepolymerization of bismaleimide resin followed by wet winding. The processing characteristics and mechanical properties of composites fabricated via semi-prepreg RTM technology were compared with those of composites produced using a normal-prepreg compression molding process. The results show that the laminates fabricated by the semi-prepreg RTM process are of better internal quality and have superior mechanical properties as compared with laminates fabricated by the normal-prepreg compression molding process.

Original language	English
Pages (from-to)	57-62
Number of pages	6
Journal	Hangkong Cailiao Xuebao/Journal of Aeronautical Materials
Volume	34
Issue number	3
DOIs	https://doi.org/10.11868/j.issn.1005-5053.2014.3.009
Publication status	Published - Jun 2014
Externally published	Yes

Keywords

Mechanical properties
Preforming
RTM
Semi-prepreg

ASJC Scopus subject areas

Ceramics and Composites
Aerospace Engineering
Metals and Alloys
Materials Chemistry

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abstract = "A novel semi-prepreg resin transfer molding (RTM) process was developed to address difficulties associated with RTM process and to improve the mechanical properties of the resulting composites. Unidirectional semi-prepregs exhibiting relatively good overlay characteristics were prepared via prepolymerization of bismaleimide resin followed by wet winding. The processing characteristics and mechanical properties of composites fabricated via semi-prepreg RTM technology were compared with those of composites produced using a normal-prepreg compression molding process. The results show that the laminates fabricated by the semi-prepreg RTM process are of better internal quality and have superior mechanical properties as compared with laminates fabricated by the normal-prepreg compression molding process.",

keywords = "Mechanical properties, Preforming, RTM, Semi-prepreg",

author = "Li, \{Wei Dong\} and Gang Liu and Bao, \{Jian Wen\} and Hu, \{Xiao Lan\} and Yi, \{Xiao Su\}",

year = "2014",

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T1 - Research of processing characteristics and mechanical properties of semi-prepreg RTM composites

AU - Li, Wei Dong

AU - Liu, Gang

AU - Bao, Jian Wen

AU - Hu, Xiao Lan

AU - Yi, Xiao Su

PY - 2014/6

Y1 - 2014/6

N2 - A novel semi-prepreg resin transfer molding (RTM) process was developed to address difficulties associated with RTM process and to improve the mechanical properties of the resulting composites. Unidirectional semi-prepregs exhibiting relatively good overlay characteristics were prepared via prepolymerization of bismaleimide resin followed by wet winding. The processing characteristics and mechanical properties of composites fabricated via semi-prepreg RTM technology were compared with those of composites produced using a normal-prepreg compression molding process. The results show that the laminates fabricated by the semi-prepreg RTM process are of better internal quality and have superior mechanical properties as compared with laminates fabricated by the normal-prepreg compression molding process.

AB - A novel semi-prepreg resin transfer molding (RTM) process was developed to address difficulties associated with RTM process and to improve the mechanical properties of the resulting composites. Unidirectional semi-prepregs exhibiting relatively good overlay characteristics were prepared via prepolymerization of bismaleimide resin followed by wet winding. The processing characteristics and mechanical properties of composites fabricated via semi-prepreg RTM technology were compared with those of composites produced using a normal-prepreg compression molding process. The results show that the laminates fabricated by the semi-prepreg RTM process are of better internal quality and have superior mechanical properties as compared with laminates fabricated by the normal-prepreg compression molding process.

KW - Mechanical properties

KW - Preforming

KW - RTM

KW - Semi-prepreg

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JO - Hangkong Cailiao Xuebao/Journal of Aeronautical Materials

JF - Hangkong Cailiao Xuebao/Journal of Aeronautical Materials

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ER -

Research of processing characteristics and mechanical properties of semi-prepreg RTM composites

Abstract

Keywords

ASJC Scopus subject areas

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