TY - JOUR
T1 - Acoustic emission characterization of deformation and fracture in heavy alloys.
AU - Roman, I.
AU - Mittelman, A.
AU - Rittel, D.
PY - 1986
Y1 - 1986
N2 - The acoustic emission generated during tensile loading of a typical heavy alloy, of 90 w/o tungsten, was investigated. In this study, as sintered and post sintered heat treated tensile samples, loaded to failure, were employed. Post sintering heat treatments caused a change in the failure mode from interfacial debonding to fracture of the tungsten spheres and resulted in marked effects on both mechanical properties and acoustic emission. As a result of heat treatment, these two regions of yielding and fracture phenomena became well separated. In addition, heat treatment gives rise to a third region of acoustic emission activity.
AB - The acoustic emission generated during tensile loading of a typical heavy alloy, of 90 w/o tungsten, was investigated. In this study, as sintered and post sintered heat treated tensile samples, loaded to failure, were employed. Post sintering heat treatments caused a change in the failure mode from interfacial debonding to fracture of the tungsten spheres and resulted in marked effects on both mechanical properties and acoustic emission. As a result of heat treatment, these two regions of yielding and fracture phenomena became well separated. In addition, heat treatment gives rise to a third region of acoustic emission activity.
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