<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The authors of the paper presented some of the models describing the process of micro-cracks’ development. In this study, the process of a selected model of micro-cracking was analyzed. In the model it was assumed that the damage to the material has some “thermodynamic properties” or rather universal properties inherent in most complex systems. In order to calculate the long-term fatigue strength properties of a structure, it is important to have a good understanding of the distribution parameters of the number of defects of different sizes. A model was built using the entropy principle, which is effectively used to test complex systems that are difficult to formalize. As a result of many experimental studies it was found that the development of fatigue damage is closely related to the process of plastic deformation of the material at the contact point of local defects. The results of computer calculations and simulations led to the conclusions presented in the final part of this paper.</p></abstract>

The authors of the paper presented some of the models describing the process of micro-cracks’ development. In this study, the process of a selected model of micro-cracking was analyzed. In the model it was assumed that the damage to the material has some “thermodynamic properties” or rather universal properties inherent in most complex systems. In order to calculate the long-term fatigue strength properties of a structure, it is important to have a good understanding of the distribution parameters of the number of defects of different sizes. A model was built using the entropy principle, which is effectively used to test complex systems that are difficult to formalize. As a result of many experimental studies it was found that the development of fatigue damage is closely related to the process of plastic deformation of the material at the contact point of local defects. The results of computer calculations and simulations led to the conclusions presented in the final part of this paper.

Accumulation of Fatigue Microdefects– Entropy Interpretation

Fatigue of Aircraft Structures

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Accumulation of Fatigue Microdefects\u2013 Entropy Interpretation"}

The authors of the paper presented some of the models describing the process of micro-cracks’ development. In this study, the process of a selected model of...

Accumulation of Fatigue Microdefects– Entropy Interpretation

Publié en ligne: 28 juin 2019

Pages: 104 - 116

DOI: https://doi.org/10.2478/fas-2018-0010

Mots clés
distribution of microcracks, entropy interpretation of microc-racks, fatigue curve formula

© 2019 Krzysztof Szafran et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Accumulation of Fatigue Microdefects– Entropy Interpretation

Publié en ligne: 28 juin 2019

Pages: 104 - 116

DOI: https://doi.org/10.2478/fas-2018-0010

Mots clésdistribution of microcracks, entropy interpretation of microc-racks, fatigue curve formula

© 2019 Krzysztof Szafran et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
distribution of microcracks, entropy interpretation of microc-racks, fatigue curve formula