학술논문
Effect of irradiation and pre-ageing temperature on the mechanical properties of Al-Si alloy.
Document Type
Article
Author
Source
Subject
*IRRADIATION
*GAMMA rays
*FRICTION
*THERMAL diffusivity
*TRANSMISSION electron microscopy
*SOLID solutions
*X-ray diffraction
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Language
ISSN
1042-0150
Abstract
Al-1wt.%Si alloy samples in the solid solution state were irradiated with doses of gamma rays up to 1.75 MGy for 2 h in the temperature range from 423 to 553 K. Induced variations in structure, mechanical and electrical properties were traced by suitable techniques. Observed changes in the measured parameters, internal friction Q-1, thermal diffusivity Dth, dynamic elastic modulus Y and resistivity, ρ, were explained in terms of the role and mode of interaction of lattice defects in irradiated and thermally treated samples. Composition inhomogeneity and variations in mass distribution in the matrix were also considered. The structure identification of the samples was carried out by using conventional X-ray diffraction techniques and transmission electron microscopy micrographs. [ABSTRACT FROM AUTHOR]