Synchrotron X-ray study of elastic phase strains in the bulk of an externally loaded Cu/Mo composite

A. Wanner*, David C Dunand

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

High-energy, high-flux x-rays from a third-generation synchrotron source were used to measure average elastic strains in the bulk of 1.5 mm thick composites consisting of a copper matrix reinforced with 7.5 vol.% molybdenum particles. From the evolution of lattice strains in both phases during uniaxial tensile deformation, the internal load transfer between phases and reinforcement damage were characterized during elastic and plastic deformation of the composite. The graininess of the diffraction rings, which is related to the Bragg peak broadening, was quantified as a function of applied stress and related to plastic deformation in the matrix.

Original languageEnglish (US)
Pages (from-to)157-162
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
Volume590
StatePublished - Dec 3 2000

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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