The mechanical properties of glass/polypropylene multilayer laminates

Folkes, M. J.; Hardwick, S. T.

doi:10.1007/bf00638065

Cited by 46 publications

(24 citation statements)

References 19 publications

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“…[18][19][20][21][22][23][24][25][26][27] The presence of a transcrystalline layer enhanced interfacial shear transfer between PP and cotton. Folkes and Hardwick 27 have reported that the presence of transcrystalline layers leads to modest increases in flexural modulus and strength, and can thus be said to have a reinforcing effect. 18 Zhang et al 28 reported that the interfacial morphology plays a crucial role in enhancement of load transfer.…”

Section: Introductionmentioning

confidence: 99%

“…Several researches have concluded that transcrystalline layer formation improves the interfacial strength and mechanical properties. [18][19][20][21][22][23][24][25][26][27] The presence of a transcrystalline layer enhanced interfacial shear transfer between PP and cotton. 21 A thorough study of PP transcrystallization at flax fiber surfaces also showed enhanced interfacial adhesion.…”

Section: Introductionmentioning

confidence: 99%

“…Moreover, higher modulus of transcrystallized polypropylene (PP) as compared to that of fine spherulitic material is attributed to somewhat higher orientation of polymer chains from mother lamellae. Folkes and Hardwick 27 have reported that the presence of transcrystalline layers leads to modest increases in flexural modulus and strength, and can thus be said to have a reinforcing effect. TCL may provide a protective sheath around fibers, which prevents them from necking during tensile loading.…”

Section: Introductionmentioning

confidence: 99%

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Fundamental studies on lignocellulose/polypropylene composites: Effects of wood treatment on the transcrystalline morphology and mechanical properties

Borysiak

2012

J of Applied Polymer Sci

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Effects of alkalization, esterification, and c-irradiation of wood on the transcrystalline morphology of wood/polypropylene composites were investigated using X-ray diffraction, hot stage optical microscopy, and scanning electron microscopy. The occurrence of transcrystallization in wood-polypropylene composites is strongly dependent on the type of chemical modification of lignocellulosic materials. A detailed analysis of the results obtained proved that the transcrystallization is strongly influenced by conditions of mercerization process of wood and kind of anhydrides. Moreover, it has been found that amount of cellulose in wood plays a key role in the development of transcrystallinity. The absence of cellulose in wood seems to be unfavorable for the growth of transcrystallinity. A relationship between mechanical properties of composites and the phenomena taking place at the polymer-filler interface, controlled by chemical modifications of lignocellulose components has been evaluated. It has been established that the mechanical properties of wood composites depend on the proper choice of a modifier and are obtained after optimization of the process of modification.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Fundamental studies on lignocellulose/polypropylene composites: Effects of wood treatment on the transcrystalline morphology and mechanical properties

Borysiak

2012

J of Applied Polymer Sci

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“…There are many studies that have investigated the mechanical behavior of PP–GF composites 8–20. Two main approaches to investigating this behavior have been found in these works.…”

Section: Introductionmentioning

confidence: 99%

Investigation of deformation mechanism in polypropylene/glass fiber composite

Zebarjad

Bagheri

Reihani

et al. 2003

J of Applied Polymer Sci

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A great amount of work has been done over the past few years to understand the structure-properties relationship in polypropylene/glass fiber composites. This is because of the very fast-growing rate of polypropylene applications in the automotive and other industries. This work focused on the role of glass fibers and fiber-matrix adhesion on deformation mechanism. Composites with different fiber content, with and without adhesion promoter, were fabricated. Tensile tests and microscopy techniques were conducted. Based on the results, a physical model has been proposed that illustrates the initiation and growth of the damage under static loading condition. According to this work, the introduction of glass fibers shifts the deformation mechanism from shear yielding to crazing. Although crazes propagate in a different manner in composites containing standard and treated fibers, no influence of interfacial adhesion was observed on craze thickening phenomenon.

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“…This load-sharing mechanism is influenced by a number of factors, such as fibre length, orientation and fibre-matrix interactions. Bonding between fibres and matrix is a complex mechanism often described in terms of [13][14][15][16][17]:…”

Section: Modellingmentioning

confidence: 99%

Using micro-mechanical modelling to predict short-fibre composite properties in computer-aided design of sporting equipment

Ewart

Verbeek

2010

Sports Eng

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Computer-aided design (CAD) of sporting equipment requires knowledge of the mechanical properties of proposed materials. The mechanical properties of composite materials are often not as simple to obtain as those of conventional materials, in which case micromechanical modelling could be used in conjunction with CAD software. A micro-mechanical model was used to predict the flexural modulus of composite materials, based on the assumption of partial interfacial adhesion between composite components. It was found that the partial adhesion model was both practical and consistently accurate. The partial adhesion model accounted for adhesion between components by considering an 'effective shear value' at the interface. The model was compared to experimental data for glass, wood and carbon-fibre reinforced polyethylene. It was shown that the adhesion coefficient ranged between 0.1 for carbon fibre, 0.5 for glass fibre and 0.8 for the wood fibre composites. It was shown that using micro-mechanical modelling to predict composite mechanical properties, as opposed to simulating the comprehensive composites structure, computer processing time and file size can be reduced with little compromise in simulation accuracy.

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The mechanical properties of glass/polypropylene multilayer laminates

Cited by 46 publications

References 19 publications

Fundamental studies on lignocellulose/polypropylene composites: Effects of wood treatment on the transcrystalline morphology and mechanical properties

Fundamental studies on lignocellulose/polypropylene composites: Effects of wood treatment on the transcrystalline morphology and mechanical properties

Investigation of deformation mechanism in polypropylene/glass fiber composite

Using micro-mechanical modelling to predict short-fibre composite properties in computer-aided design of sporting equipment

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