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Title: Preparation and properties of polypropylene composites reinforced with wheat and flax straw fibres - Part 2: Analysis of composite microstructure and mechanical properties
Authors: Hornsby, PR
Hinrichsen, E
Tarverdi, K
Keywords: Flax;Wheat;Straw fibres;Melt-processing operations;Polypropylene
Issue Date: 1997
Publisher: Chapman and Hall
Citation: Journal of Materials Science, 32(4): 1009-1015, 1997
Abstract: The microstructure and mechanical properties of polypropylene composites containing flax and wheat straw fibres are discussed. Particular emphasis has been given to determining the nature and consequences of fibre damage induced during melt-processing operations, fibre orientation occurring in mouldings, and possible interfacial adhesion between the matrix and fibres. Compared to unfilled polypropylene, addition of flax and wheat straw caused a significant increase in tensile modulus, particularly, in the case of flax fibres, which also gave higher tensile yield strength and Charpy toughness, despite a lack of interfacial bonding. Tensile strength was increased further through inclusion of 5% by weight of maleic anhydride-modified polypropylene, which was shown to promote adhesion between fibres and matrix.
Description: Copyright @ 1997 Chapman and Hall. This article is the author version of the published article which can be accessed at the link below.
ISSN: 0022-2461
Appears in Collections:Materials Engineering
Wolfson Centre for Materials Processing

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