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Abstract
Important from mechanical point of view the Portevin–Le Chatelier serration phenomenon is being characterized by a complicated spectral profile. As a typical example of nonstationary processes it demands a special treatment allowing to follow the evolution of energy of stress fluctuations as a function of strain. The authors suggest the utilization of a compact system of quadratic transformations, known as Cohen class, as a technique enabling the reliable analysis of serration processes. In this elaboration a comparison of the application of various Cohen decompositions to analyze frequency bands has been introduced.
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Authors (4)
-
Wojciech Jurczak
- Wydział Mechaniczno Elektryczny Akademia Marynaki Wojennej
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
COMPUTATIONAL MATERIALS SCIENCE
no. 39,
edition 4,
pages 880 - 886,
ISSN: 0927-0256 - Language:
- English
- Publication year:
- 2007
- Bibliographic description:
- Darowicki K., Orlikowski J., Zieliński A., Jurczak W.: Quadratic Cohen representations in spectral analysis of serration process in Al–Mg alloys// COMPUTATIONAL MATERIALS SCIENCE. -Vol. 39, iss. 4 (2007), s.880-886
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.commatsci.2006.10.011
- Verified by:
- Gdańsk University of Technology
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