Journal article
Nonlinear Elastic Deformation of MAX Phases
Key engineering materials, v 434-435
29 Mar 2010
Abstract
MAX phases, include Ti3SiC2, Ti2AlC etc, are machinable ternary carbides or nitrides with excellent properties. These materials, however, have obvious nonlinear elastic deformation due to nano- layered crystal structure. The stress-strain curves of cyclically load-unload test have obvious hysteretic loops. Because of this mechanical hysteresis, the strain of MAX phases at one time is not determined only by the stress applied to the sample at this time. Here the influence of grain size, chemical composition and porosity on the nonlinear elastic strain was introduced. Because of two properties of this hysteresis: wiping out and congruency, the classic hysteretic mathematic model (Preisach-Mayergoyz model, P-M model) can be applied to calculate the strain of MAX phases after any complex deformation history.
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Details
- Title
- Nonlinear Elastic Deformation of MAX Phases
- Creators
- Ai Guo Zhou - Henan Polytechnic University : School of Materials Science and EngineeringM.W. Barsoum - Drexel University
- Publication Details
- Key engineering materials, v 434-435
- Publisher
- Trans Tech Publications Ltd
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000280417300042
- Scopus ID
- 2-s2.0-77955440299
- Other Identifier
- 991019167763204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Ceramics