On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review

In this review paper, the evidence and application of thermodynamic self-organization are reviewed for metals typically with single crystals subjected to cyclic loading. The theory of self-organization in thermodynamic processes far from equilibrium is a cutting-edge theme for the development of a n...

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Main Author: Mehdi Naderi
Format: Article
Language:English
Published: MDPI AG 2020-03-01
Series:Entropy
Subjects:
Online Access:https://www.mdpi.com/1099-4300/22/3/372
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author Mehdi Naderi
author_facet Mehdi Naderi
author_sort Mehdi Naderi
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description In this review paper, the evidence and application of thermodynamic self-organization are reviewed for metals typically with single crystals subjected to cyclic loading. The theory of self-organization in thermodynamic processes far from equilibrium is a cutting-edge theme for the development of a new generation of materials. It could be interpreted as the formation of globally coherent patterns, configurations and orderliness through local interactivities by “cascade evolution of dissipative structures”. Non-equilibrium thermodynamics, entropy, and dissipative structures connected to self-organization phenomenon (patterning, orderliness) are briefly discussed. Some example evidences are reviewed in detail to show how thermodynamics self-organization can emerge from a non-equilibrium process; fatigue. Evidences including dislocation density evolution, stored energy, temperature, and acoustic signals can be considered as the signature of self-organization. Most of the attention is given to relate an analogy between persistent slip bands (PSBs) and self-organization in metals with single crystals. Some aspects of the stability of dislocations during fatigue of single crystals are discussed using the formulation of excess entropy generation.
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spelling doaj.art-5fa41829fa65461591b5d831a5bb565a2022-12-22T02:57:05ZengMDPI AGEntropy1099-43002020-03-0122337210.3390/e22030372e22030372On the Evidence of Thermodynamic Self-Organization during Fatigue: A ReviewMehdi Naderi0Technical Data Analysis Inc., Falls Church, VA 22042, USAIn this review paper, the evidence and application of thermodynamic self-organization are reviewed for metals typically with single crystals subjected to cyclic loading. The theory of self-organization in thermodynamic processes far from equilibrium is a cutting-edge theme for the development of a new generation of materials. It could be interpreted as the formation of globally coherent patterns, configurations and orderliness through local interactivities by “cascade evolution of dissipative structures”. Non-equilibrium thermodynamics, entropy, and dissipative structures connected to self-organization phenomenon (patterning, orderliness) are briefly discussed. Some example evidences are reviewed in detail to show how thermodynamics self-organization can emerge from a non-equilibrium process; fatigue. Evidences including dislocation density evolution, stored energy, temperature, and acoustic signals can be considered as the signature of self-organization. Most of the attention is given to relate an analogy between persistent slip bands (PSBs) and self-organization in metals with single crystals. Some aspects of the stability of dislocations during fatigue of single crystals are discussed using the formulation of excess entropy generation.https://www.mdpi.com/1099-4300/22/3/372self-organizationnon-equilibrium thermodynamicsfatiguepersistent slip bandsdislocations
spellingShingle Mehdi Naderi
On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
Entropy
self-organization
non-equilibrium thermodynamics
fatigue
persistent slip bands
dislocations
title On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
title_full On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
title_fullStr On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
title_full_unstemmed On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
title_short On the Evidence of Thermodynamic Self-Organization during Fatigue: A Review
title_sort on the evidence of thermodynamic self organization during fatigue a review
topic self-organization
non-equilibrium thermodynamics
fatigue
persistent slip bands
dislocations
url https://www.mdpi.com/1099-4300/22/3/372
work_keys_str_mv AT mehdinaderi ontheevidenceofthermodynamicselforganizationduringfatigueareview