Transverse impact behavior of knitted carbon-fiber fabric-reinforced thermoplastic composite sheets

J. Karger-Kocsis; Q. Yuan; J. Mayer; E. Wintermantel

doi:10.1177/089270579701000205

Transverse impact behavior of knitted carbon-fiber fabric-reinforced thermoplastic composite sheets

J. Karger-Kocsis, Q. Yuan, J. Mayer, E. Wintermantel

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Instrumented falling weight impact (IFWI) properties of two-dimensional (2D) weft-knitted carbon-fiber (CF)-reinforced poly(ethyl methacrylate) (PEMA) and poly(ether ether ketone) (PEEK) composites with a reinforcement content of V_f ≈ 35 and 51 vol.%, respectively, were studied under low-energy and perforation impact conditions. Results indicated that the transverse impact response of these thermoplastic composites strongly depends on the ductility of the matrix, on fiber/matrix adhesion, and on the stitch (rib) structure (size, stretching of the fabrics) of the knitted fabric reinforcement. The highest thickness-related perforation impact energy was found for the knitted CF-reinforced PEEK composite (≈ 15 J/mm) due to its high reinforcement content, high matrix ductility, and good fiber/matrix bonding.

Original language	English
Pages (from-to)	163-172
Number of pages	10
Journal	Journal of Thermoplastic Composite Materials
Volume	10
Issue number	2
DOIs	https://doi.org/10.1177/089270579701000205
State	Published - Mar 1997
Externally published	Yes

Keywords

Failure
Instrumented impact
Knitted fabric-reinforced
Poly(ether ether ketone) PEEK
Poly(ethyl methacrylate) PEMA

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10.1177/089270579701000205

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title = "Transverse impact behavior of knitted carbon-fiber fabric-reinforced thermoplastic composite sheets",

abstract = "Instrumented falling weight impact (IFWI) properties of two-dimensional (2D) weft-knitted carbon-fiber (CF)-reinforced poly(ethyl methacrylate) (PEMA) and poly(ether ether ketone) (PEEK) composites with a reinforcement content of Vf ≈ 35 and 51 vol.%, respectively, were studied under low-energy and perforation impact conditions. Results indicated that the transverse impact response of these thermoplastic composites strongly depends on the ductility of the matrix, on fiber/matrix adhesion, and on the stitch (rib) structure (size, stretching of the fabrics) of the knitted fabric reinforcement. The highest thickness-related perforation impact energy was found for the knitted CF-reinforced PEEK composite (≈ 15 J/mm) due to its high reinforcement content, high matrix ductility, and good fiber/matrix bonding.",

keywords = "Failure, Instrumented impact, Knitted fabric-reinforced, Poly(ether ether ketone) PEEK, Poly(ethyl methacrylate) PEMA",

author = "J. Karger-Kocsis and Q. Yuan and J. Mayer and E. Wintermantel",

year = "1997",

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doi = "10.1177/089270579701000205",

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AU - Karger-Kocsis, J.

AU - Yuan, Q.

AU - Mayer, J.

AU - Wintermantel, E.

PY - 1997/3

Y1 - 1997/3

N2 - Instrumented falling weight impact (IFWI) properties of two-dimensional (2D) weft-knitted carbon-fiber (CF)-reinforced poly(ethyl methacrylate) (PEMA) and poly(ether ether ketone) (PEEK) composites with a reinforcement content of Vf ≈ 35 and 51 vol.%, respectively, were studied under low-energy and perforation impact conditions. Results indicated that the transverse impact response of these thermoplastic composites strongly depends on the ductility of the matrix, on fiber/matrix adhesion, and on the stitch (rib) structure (size, stretching of the fabrics) of the knitted fabric reinforcement. The highest thickness-related perforation impact energy was found for the knitted CF-reinforced PEEK composite (≈ 15 J/mm) due to its high reinforcement content, high matrix ductility, and good fiber/matrix bonding.

AB - Instrumented falling weight impact (IFWI) properties of two-dimensional (2D) weft-knitted carbon-fiber (CF)-reinforced poly(ethyl methacrylate) (PEMA) and poly(ether ether ketone) (PEEK) composites with a reinforcement content of Vf ≈ 35 and 51 vol.%, respectively, were studied under low-energy and perforation impact conditions. Results indicated that the transverse impact response of these thermoplastic composites strongly depends on the ductility of the matrix, on fiber/matrix adhesion, and on the stitch (rib) structure (size, stretching of the fabrics) of the knitted fabric reinforcement. The highest thickness-related perforation impact energy was found for the knitted CF-reinforced PEEK composite (≈ 15 J/mm) due to its high reinforcement content, high matrix ductility, and good fiber/matrix bonding.

KW - Failure

KW - Instrumented impact

KW - Knitted fabric-reinforced

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Transverse impact behavior of knitted carbon-fiber fabric-reinforced thermoplastic composite sheets

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Keywords

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