Mode-I interlaminar fracture behaviour of weft-knitted fabric reinforced composites

Kim, Ki‐Young; Curiskis, J.I.; Ye, Lin; Fu, Shao‐Yun

doi:10.1016/j.compositesa.2004.12.004

Cited by 19 publications

(13 citation statements)

References 22 publications

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“…This may occur in thin specimens or in high toughness laminates [115]. A similar concept has been used by Kim et al [116] to study mode I delamination resistance of weft-knitted fabric composites.…”

Section: Other Issuesmentioning

confidence: 94%

A status report on delamination resistance testing of polymer–matrix composites

Brunner

Blackman

Davies

2008

Engineering Fracture Mechanics

229

111

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Section: Other Issuesmentioning

confidence: 94%

A status report on delamination resistance testing of polymer–matrix composites

Brunner

Blackman

Davies

2008

Engineering Fracture Mechanics

229

111

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“…In order to improve the interlaminar toughness of the composites materials the bibliography suggests the application of the thermoplastic resins [10], due their high damage tolerance, or by insertion of ductile resin interleaf between each carbon fibre/epoxy layers [11]. An alternative to the toughened resins is the use of advanced textile technologies with substantially improved delamination resistance [12,13]. It was demonstrated that G IC values for the knitted composites are about 10 or 20 times higher than for the uniweave composite [6].…”

Section: Introductionmentioning

confidence: 97%

Interlaminar fracture in woven carbon/epoxy laminates

Reis¹,

Ferreira²,

Costa³

et al. 2014

Frattura Ed Integrità Strutturale

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This paper describes an experimental study developed to characterize the mode I and mode II fracture toughness of carbon/epoxy woven composites, using DCB and ENF tests, respectively. The laminates were manufactured using an epoxy resin and twelve woven balanced bi-directional layers of carbon fibres, all of them with the same orientation (0/90º). Significant instantaneous delaminations were observed particularly for the DCB specimen, which were responsible for an oscillatory behaviour of G I versus crack length. The maximum values obtained for G IC and G IIC were 281 and 1800 J/m 2 , respectively.

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“…Each of these textile forms has its own fiber architecture and combination of properties such as strength, stiffness, flexibility, and toughness, which are reflected on the composite performance to a certain extent [6]. A number of researchers have studied the damage strength of knitted fabric-reinforced composite structures under loading of tensile, compressive, fracture, and impact [7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

The Fracture Behavior of Pure and Hybrid Intraply Knitted Fabric-Reinforced Polymer Composites

Balcıoğlu¹,

Özmen²

2020

Fracture Mechanics Applications

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Due to the high synergistic effects of the components, hybrid composite materials are more advantageous than nonhybrid composite materials for advanced engineering applications. Additionally, knitted fabrics may have a different behavior than woven ones. Although the nonhybrid composites have only one reinforcing fiber type, the hybrid composites have multiple reinforcing fibers. In this chapter, fracture characterizations of laminated composites reinforced with intraply pure and hybrid knitted fabrics are experimentally and numerically investigated under different loading conditions. For this purpose, pure (100%) and hybrid fabrics (50-50%), which have 1 Â 1 rib-knitted structure, were knitted by using glass and carbon fibers. Also, hybrid fabrics were knitted in three different widths in order to investigate the effect of knitting pattern width on the fracture toughness. Fracture toughness and energy strain release rates of pure and hybrid Arcan test specimens were determined under mode I (0 o), mixed-mode I/II (30 o ,45 o ,and60 o), and mode II (90 o) loading conditions. Also, the J-integral method was used to determine the fracture toughness. Experimental and numerical results were found to be consistent. When the results obtained from pure and hybrid fabrics are compared, it is seen that hybridization had positive effects on the fracture strength of composite material compared to pure glass/epoxy material. Additionally, as the width of the pattern decreased, the fracture strength of the hybrid composites increased. In this respect, the hybridization processing should be done in the narrowest pattern width for higher resistance to fracture.

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Mode-I interlaminar fracture behaviour of weft-knitted fabric reinforced composites

Cited by 19 publications

References 22 publications

A status report on delamination resistance testing of polymer–matrix composites

A status report on delamination resistance testing of polymer–matrix composites

Interlaminar fracture in woven carbon/epoxy laminates

The Fracture Behavior of Pure and Hybrid Intraply Knitted Fabric-Reinforced Polymer Composites

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