Influence of ? radiation on the structure-sensitive properties of CuTi amorphous alloy

Autor:	A. A. Klopotov, Yu. A. Timoshnikov, I. A. Lapsker, N. M. Matveeva, Vladimir Plotnikov, Yu. A. Sazanov
Rok vydání:	1994
Předmět:	Diffraction Brittleness Materials science Amorphous metal law Analytical chemistry General Physics and Astronomy Titanium alloy Activation energy Irradiation Electron microscope law.invention Amorphous solid
Zdroj:	Russian Physics Journal. 37:746-749
ISSN:	1573-9228 1064-8887
Popis:	The influence of small doses of γ radiation on the structure-sensitive properties of CuTi amorphous metallic alloy (AMA) is investigated. The AMA exhibit brittle behavior. It is found that, in samples exposed to γ radiation, the nonlinear behavior of the load-elongation curve is more pronounced and begins sooner. A small change in the fracture morphology in these samples is observed by raster electron microscopy. The additional broadening of the first amorphous maximum and its shift on the x-ray diffraction patterns correlates with increase in the γ dose. The modification of the structural-relaxation processes on heating the initial and irradiated samples is traced by the acoustic-emission method. The activation energy of these processes is determined.
Databáze:	OpenAIRE
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