Kinetics and hysteresis in martensitic single crystals

Rohan Abeyaratne, C. Chu, R. D. James

Research output: Contribution to journalConference articlepeer-review

10 Scopus citations

Abstract

We present results from some dynamic biaxial loading experiments on the transition between two homogeneously deformed variants of martensite in single crystals of Cu-14wt%Al-4wt%Ni. Observations of the microstructural changes during loading show that the main mechanism by which one variant grows at the expense of another is a tip-splitting event; the tips of martensite needles present in the specimen suddenly split. We present a simple kinetic model of this phenomenon which captures the main qualitative results of these experiments. This is a preliminary report of results which will appear in complete form in a forthcoming paper by the authors (Abeyaratne, Chu and James, 1994).

Original languageEnglish (US)
Pages (from-to)85-98
Number of pages14
JournalAmerican Society of Mechanical Engineers, Applied Mechanics Division, AMD
Volume189
StatePublished - Dec 1 1994
EventProceedings of the 1994 International Mechanical Engineering Congress and Exposition - Chicago, IL, USA
Duration: Nov 6 1994Nov 11 1994

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