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The effects of the biaxial stretching of leather on fibre orientation and tensile modulus

By E. J. Sturrock, Craig Boote, G. E. Attenburrow and Keith Michael Andrew Meek

Abstract

Leather has been subjected to different degrees of equal biaxial strain (up to 20%) during drying and its tensile modulus has been measured when dry. The collagen fibre orientation distribution in the dried leather has been assessed using wide angle X-ray diffraction. It was found that drying under biaxial strain caused the tensile modulus to increase markedly (by up to 400% at 20% biaxial strains) but with a dependence on the angle of test axis in relation to the principal axes of biaxial strain. The fibre orientation distribution in planes parallel to the surface was affected less by biaxial strain than in planes perpendicular to the surface and it is concluded that the latter type of fibre reorientation is the main factor responsible for the observed increases in tensile modulus

Topics: T Technology (General)
Publisher: 'Springer Science and Business Media LLC'
Year: 2004
DOI identifier: 10.1023/B:JMSC.0000020013.90114.92
OAI identifier: oai:http://orca.cf.ac.uk:48481
Provided by: ORCA
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