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In situ monitoring of thermally cycled metal matrix composites by neutron diffraction and laser extensometry

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Abstract

A novel stroboscopic neutron diffraction data collection system has been developed. In combination with scanning laser extensometry this has been used to investigate the thermal cycling behaviour of SiC short fibre reinforced Al matrix composites. Three-dimensional unit cell finite element models have been produced, incorporating matrix deformation both by creep and plasticity. Comparison of the experimental results with model predictions has allowed conclusions to be drawn about the deformation processes which dominate at different parts of the thermal cycle.

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Author notes

  1. Mark R. Daymond

    Present address: MLNSC, Los Alamos National Laboratory, 87545, New Mexico, USA

Authors and Affiliations

  1. Department of Materials Science and Metallurgy, University of Cambridge, Pembroke Street, CB2 3QZ, Cambridge, UK

    Mark R. Daymond & Philip J. Withers

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  1. Mark R. Daymond
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  2. Philip J. Withers
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Daymond, M.R., Withers, P.J. In situ monitoring of thermally cycled metal matrix composites by neutron diffraction and laser extensometry. Appl Compos Mater 4, 375–392 (1997). https://doi.org/10.1007/BF02481401

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  • DOI: https://doi.org/10.1007/BF02481401

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