Effect of ionomer thickness on mode I interlaminar fracture toughness for ionomer toughened CFRP

Matsuda, Satoshi; Hojo, Masaki; Ochiai, Shojiro; Murakami, Atsushi; Akimoto, Hideo; Ando, M

doi:10.1016/s1359-835x(99)00023-8

Cited by 43 publications

(24 citation statements)

References 17 publications

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“…Increases in G IC with incorporation of EMAA into CFRP followed established trends of rubber particles/interleaves toughening carbon fiber laminate system. [14,15] While G IC clearly increased with additional EMAA content (Table 1), the increase of failure energy with EMAA content was only observed with the CFRP f series. Further work is needed to identify the true cause of this phenomenon; however, it is thought the difference stems from improved ability of EMAA fibers to arrest propagating crack growth with respect to the EMAA particles.…”

Section: Resultsmentioning

confidence: 96%

Poly[ethylene‐co‐(methacrylic acid)] Healing Agents for Mendable Carbon Fiber Laminates

Meure

Furman

Khor

2010

Macro Materials & Eng

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The first reported use of two‐dimensional mesh thermoplastic fibers in an epoxy matrix for mendable composites is presented, yielding 100% restoration of GIC, failure energy, and peak loads over repeated damage‐healing cycles. SEM imaging and EDS mapping showed different surface structures between CFRPp and CFRPf and confirmed strength recoveries were attained by delivery of EMAA to the fracture plane which enabled the fractured surfaces to rebind after heating to 150 °C for 30 min.

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Section: Resultsmentioning

confidence: 96%

Poly[ethylene‐co‐(methacrylic acid)] Healing Agents for Mendable Carbon Fiber Laminates

Meure

Furman

Khor

2010

Macro Materials & Eng

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“…While many studies have investigated interleaved films in traditional fibre-reinforced composites [21,22], their main goal was to increase fracture toughness and damage resistance in carbon fibrereinforced composites. In contrast, the main goal of interleaved films in self-reinforced composites is to achieve wider processing window.…”

Section: Introductionmentioning

confidence: 99%

The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

Swolfs

Zhang

Baets

et al. 2014

Composites Part A: Applied Science and Manufacturing

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Hot compacted self-reinforced polypropylene composites have good tensile properties and excellent impact resistance, but they have a limited processing window. Therefore, the influence of compaction temperature, dwell time and the application of interleaved films on the tensile and impact properties was assessed. Increased compaction temperature allows more molecular relaxation, thereby melting more matrix and creating a stronger interlayer bonding. This results in reduced 0° tensile properties and penetration impact resistance, while the 45° tensile properties and non-penetration impact resistance are maintained or improved. The dwell time only has minor influences on tensile and impact properties, while interleaved films have a similar influence as increased compaction temperature. These films increase the interlayer bonding, which increases the tensile strength and non-penetration impact resistance, but reduces penetration impact resistance. This paper demonstrates a wide property range depending on the processing parameters, helping in future tailoring of self-reinforced composites to specific applications.

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“…When a composite structure is impacted, delamination often occurs, which seriously reduces the load bearing capacity of the laminate especially under compressive loads [5]. Therefore, several methods have been developed to improve the interlaminar strength and interlaminar fracture toughness of composite laminates, such as matrix toughening [6][7][8][9], through-thickness stitching [10][11][12][13][14], Z-pinning [15,16], and interleaving [17][18][19][20][21][22][23][24][25] and short-fibre interlaminar reinforcement [25]. Most of the above mentioned methods have been reviewed by Kim and Mai [26], who also pointed out the key role played by the fibre-matrix interfacial shear strength in determining the interlaminar resistance of composite laminates.…”

Section: Introductionmentioning

confidence: 99%

Experimental optimization of the impact energy absorption of epoxy–carbon laminates through controlled delamination

Pegoretti

Cristelli

Migliaresi

2008

Composites Science and Technology

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Experimental optimization of the impact energy absorption of epoxy-carbon laminates through controlled delamination. Composites Science and Technology, Elsevier, 2010, 68 (13) ACCEPTED MANUSCRIPT 2 ABSTRACTIn this paper, the correlation between interlaminar fracture toughness and impact energy absorption for the fracture of epoxy-carbon laminates was studied. Carbon fibres-epoxy cross-ply prepreg layers were interleaved with thin (26 microns) poly(ethylene-terephthalate) (PET) films. Before the composite preparation, circular holes 1 mm in diameter were drilled in the PET films at several densities (from 0 up to 44 holes/cm 2 ) in order to selectively increase the interlaminar contact area between the epoxycarbon laminae. In this way, the interlaminar contact area was gradually varied from 0%, corresponding to the case in which non-perforated PET films were used, up to 100% in the case of

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Effect of ionomer thickness on mode I interlaminar fracture toughness for ionomer toughened CFRP

Cited by 43 publications

References 17 publications

Poly[ethylene‐co‐(methacrylic acid)] Healing Agents for Mendable Carbon Fiber Laminates

Poly[ethylene‐co‐(methacrylic acid)] Healing Agents for Mendable Carbon Fiber Laminates

The influence of process parameters on the properties of hot compacted self-reinforced polypropylene composites

Experimental optimization of the impact energy absorption of epoxy–carbon laminates through controlled delamination

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