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Abstract
Redistribution of stresses among grains of elastically anisotropic shape memory alloy polycrystals which undergo stress induced martensitic transformation upon loading were studied experimentally by in situ high resolution neutron diffraction spectra as well as theoretically by micromechanics simulation. The results of profile shape analysis and simulated distribution of lattice spacing of 220-crystal planes evolving during the tensile test on CuAlZnMn polycrystal are compared. Microstructure information on the load partitioning mechanism deduced from this comparison is discussed.