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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/3915

Title: CALCULATION OF THE SHEAR MODULUS PROPERTIES OF AMORPHOUS-ALLOYS
Authors: STALS, Lambert
DE SCHEPPER, Luc
DE CEUNINCK, Ward
KNUYT, Gilbert
Issue Date: 1991
Publisher: ELSEVIER SCIENCE SA LAUSANNE
Citation: MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 133. p. 261-264
Abstract: An analytical expression for the shear modulus G of an amorphous metal is derived as a function of a few interatomic potential parameters and the dispersion for the nearest neighbour distance. The experimentally observed relative difference between the amorphous and crystalline shear modulus is reproduced in a quantitative way. It is shown that the anharmonic contribution in the potential plays a crucial role in the explanation for the small G value of an amorphous alloy in comparison with the value for a crystal with the same chemical composition. By differentiation of the expression for G, a number of correlations are derived between the changes of different physical properties during irreversible annealing of an amorphous alloy. These correlations are confirmed in a semi-quantitative way by experiment.
Notes: KNUYT, G, LIMBURGS UNIV CENTRUM,MAT PHYS RES GRP,UNIV CAMPUS,B-3610 DIEPENBEEK,BELGIUM.
URI: http://hdl.handle.net/1942/3915
DOI: 10.1016/0921-5093(91)90065-U
ISI #: A1991FG70300064
ISSN: 0921-5093
Type: Journal Contribution
Appears in Collections: Research publications

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