Acoustic emission characterization of deformation and fracture in heavy alloys.

I. Roman, A. Mittelman, D. Rittel

Research output: Contribution to journalArticlepeer-review

Abstract

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.

Original languageEnglish
Journal[No source information available]
StatePublished - 1986

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