Influence of a matrix crack on stress transfer to an a-alumina fibre in epoxy resin using FEA and photoelasticity A.C. Johnson, F.M. Zhao, S.A. Hayes, F.R. Jones *Department of Engineering Materials, University of Sheffield, Sir Robert Hadfield Building, Mappin Street, Sheffield S1 3JD, UKReceived 28 February 2005; received in revised form 2 December 2005; accepted 3 December 2005Available online 7 March 2006 AbstractElasto-plastic finite element analysis was used to investigate the influence o ...