The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process

Yangui Yu

doi:doi:10.11648/j.ijmsa.20150403.15

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The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process

Yangui Yu

Published in International Journal of Materials Science and Applications (Volume 4, Issue 3)

Received: 15 March 2015 Accepted: 22 April 2015 Published: 4 May 2015

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Abstract

To use the theoretical approach, to adopt the multiplication-method of two-parameters, by means of the traditional and the modern material constants, thereby to establish some of new calculation models in all crack growth process. In which are the equations of the driving forces, the crack-growth-rate-linking-equation in whole process, and the life predictions; and to propose yet some calculating expressions under different loading conditions. For key material parameters give their new concepts, and provide new functional formulas, define their physical and geometrical meanings. For the transition crack size from micro to macro crack growth process, provide concrete calculation processes and methods. Thereby realize the lifetime predicting calculations in whole process based on conventional materials constants and by the multiplication method of two parameters.

Published in	International Journal of Materials Science and Applications (Volume 4, Issue 3)
DOI	10.11648/j.ijmsa.20150403.15
Page(s)	173-188
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Short Crack and Long Crack, Calculating Modeling, Lifetime Prediction, High Cycle Fatigue, Low Cycle Fatigue

References

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[3]	Yangui Yu. The Calculations of Evolving Rates Realized with Two of Type Variables in Whole Process for Elastic-Plastic Materials Behaviors under Unsymmetrical Cycle. Mechanical Engineering Research. Canadian Center of Science and Education 2012; 2. (2):77-87; ISSN 1927-0607(print) E-ISSN 1927-0615 (Online).
[4]	Yu Yangui, Xu Feng. Studies and Application of Calculation Methods on Small Crack Growth Behaviors for Elastic-plastic Materials. Chinese Journal of Mechanical Engineering. Vol. 43, 2007; 12: 240-245. (In Chinese).
[5]	YU Yangui, LIU Xiang, ZHANG Chang sheng and TAN Yanhua. Fatigue damage calculated by Ratio-Method Metallic Material with small crack under un-symmetric Cyclic Loading. Chinese Journal of Mechanical Engineering. Vol. 19, 2006; 2: 312-316.
[6]	YU Yangui. Fatigue Damage Calculated by the Ratio-Method to Materials and Its Machine Parts. Chinese Journal of Aeronautics. Vol. 16, 2003; 3: 157-161.
[7]	Yu Yangui and LIU Xiang. Studies and Applications of three Kinds of Calculation Methods by Describing Damage Evolving Behaviors for Elastic-Plastic Materials. Chinese Journal of Aeronautics. Vol, 19, 2006; 1: 52-58.
[8]	Yangui Yu, Several kinds of Calculation Methods on the Crack growth Rates for Elastic-Plastic Steels. In: 13th International Conference on fracture (ICF13), (Beijing, 2013) In CD, ID S17-045.
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[19]	Yangui Yu. Calculations for Crack Growth Rate in Whole Process Realized with the Single Stress-Strain-Parameter Method for Elastic-Plastic Materials Contained Crack. Journal of Materials Sciences and Applications. Vol. 1, No. 3, 2015, pp. 98-106.
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[21]	Yangui Yu. The Life Predicting Calculations in Whole Process Realized by Calculable Materials Constants from short Crack to Long Crack Growth Process. International Journal of Materials Science and Applications. Vol. 4, No. 2, 2015, pp. 83-95.doi: 10.11648/j.ijmsa.20150402.13.

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APA Style

Yangui Yu. (2015). The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. International Journal of Materials Science and Applications, 4(3), 173-188. https://doi.org/10.11648/j.ijmsa.20150403.15

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ACS Style

Yangui Yu. The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. Int. J. Mater. Sci. Appl. 2015, 4(3), 173-188. doi: 10.11648/j.ijmsa.20150403.15

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AMA Style

Yangui Yu. The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. Int J Mater Sci Appl. 2015;4(3):173-188. doi: 10.11648/j.ijmsa.20150403.15

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@article{10.11648/j.ijmsa.20150403.15,
  author = {Yangui Yu},
  title = {The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {3},
  pages = {173-188},
  doi = {10.11648/j.ijmsa.20150403.15},
  url = {https://doi.org/10.11648/j.ijmsa.20150403.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150403.15},
  abstract = {To use the theoretical approach, to adopt the multiplication-method of two-parameters, by means of the traditional and the modern material constants, thereby to establish some of new calculation models in all crack growth process. In which are the equations of the driving forces, the crack-growth-rate-linking-equation in whole process, and the life predictions; and to propose yet some calculating expressions under different loading conditions. For key material parameters give their new concepts, and provide new functional formulas, define their physical and geometrical meanings. For the transition crack size from micro to macro crack growth process, provide concrete calculation processes and methods. Thereby realize the lifetime predicting calculations in whole process based on conventional materials constants and by the multiplication method of two parameters.},
 year = {2015}
}

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TY  - JOUR
T1  - The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process
AU  - Yangui Yu
Y1  - 2015/05/04
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150403.15
DO  - 10.11648/j.ijmsa.20150403.15
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 173
EP  - 188
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150403.15
AB  - To use the theoretical approach, to adopt the multiplication-method of two-parameters, by means of the traditional and the modern material constants, thereby to establish some of new calculation models in all crack growth process. In which are the equations of the driving forces, the crack-growth-rate-linking-equation in whole process, and the life predictions; and to propose yet some calculating expressions under different loading conditions. For key material parameters give their new concepts, and provide new functional formulas, define their physical and geometrical meanings. For the transition crack size from micro to macro crack growth process, provide concrete calculation processes and methods. Thereby realize the lifetime predicting calculations in whole process based on conventional materials constants and by the multiplication method of two parameters.
VL  - 4
IS  - 3
ER  -

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Author Information

Yangui Yu

Zhejiang GuangXin New Technology Application Academy of Electromechanical and Chemical Engineering, Hangzhou, China

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Plain Text BibTeX RIS

APA Style

Yangui Yu. (2015). The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. International Journal of Materials Science and Applications, 4(3), 173-188. https://doi.org/10.11648/j.ijmsa.20150403.15

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ACS Style

Yangui Yu. The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. Int. J. Mater. Sci. Appl. 2015, 4(3), 173-188. doi: 10.11648/j.ijmsa.20150403.15

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AMA Style

Yangui Yu. The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process. Int J Mater Sci Appl. 2015;4(3):173-188. doi: 10.11648/j.ijmsa.20150403.15

Copy | Download

@article{10.11648/j.ijmsa.20150403.15,
  author = {Yangui Yu},
  title = {The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {3},
  pages = {173-188},
  doi = {10.11648/j.ijmsa.20150403.15},
  url = {https://doi.org/10.11648/j.ijmsa.20150403.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150403.15},
  abstract = {To use the theoretical approach, to adopt the multiplication-method of two-parameters, by means of the traditional and the modern material constants, thereby to establish some of new calculation models in all crack growth process. In which are the equations of the driving forces, the crack-growth-rate-linking-equation in whole process, and the life predictions; and to propose yet some calculating expressions under different loading conditions. For key material parameters give their new concepts, and provide new functional formulas, define their physical and geometrical meanings. For the transition crack size from micro to macro crack growth process, provide concrete calculation processes and methods. Thereby realize the lifetime predicting calculations in whole process based on conventional materials constants and by the multiplication method of two parameters.},
 year = {2015}
}

Copy | Download

TY  - JOUR
T1  - The Life Predicting Calculations Based on Conventional Material Constants from Short Crack to Long Crack Growth Process
AU  - Yangui Yu
Y1  - 2015/05/04
PY  - 2015
N1  - https://doi.org/10.11648/j.ijmsa.20150403.15
DO  - 10.11648/j.ijmsa.20150403.15
T2  - International Journal of Materials Science and Applications
JF  - International Journal of Materials Science and Applications
JO  - International Journal of Materials Science and Applications
SP  - 173
EP  - 188
PB  - Science Publishing Group
SN  - 2327-2643
UR  - https://doi.org/10.11648/j.ijmsa.20150403.15
AB  - To use the theoretical approach, to adopt the multiplication-method of two-parameters, by means of the traditional and the modern material constants, thereby to establish some of new calculation models in all crack growth process. In which are the equations of the driving forces, the crack-growth-rate-linking-equation in whole process, and the life predictions; and to propose yet some calculating expressions under different loading conditions. For key material parameters give their new concepts, and provide new functional formulas, define their physical and geometrical meanings. For the transition crack size from micro to macro crack growth process, provide concrete calculation processes and methods. Thereby realize the lifetime predicting calculations in whole process based on conventional materials constants and by the multiplication method of two parameters.
VL  - 4
IS  - 3
ER  -

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