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Proceedings Paper

Elastic fields in NiTi alloys on a structural microlevel
Author(s): Teodor M. Breczko; R. M. Grechishkin; Krzysztof Kus; S. S. Soshin
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Paper Abstract

The durability of materials realizing shape memory effect testifies that the accumulation of defects of a crystal structure in this process occurs more slowly in comparison with irreversible deformation. The attempts were undertaken to simulate process of generation of a field of stresses in process of martensite transformations, but they did not prove to be true by experimental data. In offered work the attempt of an experimental research of a residual field at a structural microlevel is undertaken. Meaning complex phase structure interfering to a choice of two orders reflection from family of planes or frequently even of two peaks from one phase, as a first approximation investigated root-mean-square (RMS) microstrains and coherent block sizes analyzing one diffraction peak. In case of necessity used also separation of the overlapped peaks of different phases.

Paper Details

Date Published: 25 January 2000
PDF: 9 pages
Proc. SPIE 4064, Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (25 January 2000); doi: 10.1117/12.375450
Show Author Affiliations
Teodor M. Breczko, Olsztyn Agriculture and Technology Univ. (Poland)
R. M. Grechishkin, Tver State Univ. (Russia)
Krzysztof Kus, Olsztyn Agriculture and Technology Univ. (Poland)
S. S. Soshin, Tver State Univ. (Russia)


Published in SPIE Proceedings Vol. 4064:
Third International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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