The Life Predicting Calculations in Whole Process Realized by Calculable Materials Constants from short Crack to Long Crack Growth Process

Yu, Yang

doi:10.11648/j.ijmsa.20150402.13

Cited by 2 publications

(3 citation statements)

References 7 publications

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“…basically close as compared with another result data: which are calculated by the single-calculated method, it has been published recently in reference [21]. It should be point that the data calculated by two-parameter-multiplication-method are nicer and steady in whole process.…”

supporting

confidence: 77%

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

Yu¹

2015

IJMSA

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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.

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supporting

confidence: 77%

“…But for the life calculations in whole process can be added together by two stages life. About calculation tool, it can be calculated by means of computer doing computing by different crack size [21].…”

Section: Its Expanded Equation Corresponding To Reversed Direction Cumentioning

confidence: 99%

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

Yu¹

2015

IJMSA

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“…In Fig. 1 it was provided by the present author [24,25], at this time it has been corrected and complemented, which is, diagrammatically shown for the damage growth process or crack propagation process of materials behavior at each stage and in the whole course.…”

Section: Explanations On Their Geometrical and Physical Meanings For mentioning

confidence: 99%

Two Kinds of Calculation Methods in Whole Process and a Best New Comprehensive Figure of Metallic Material Behaviors

Yu¹

2018

JMEA

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Based on the viewpoint that there are similarities to the genetic principles in the mechanics and the engineering fields; based on data in some referents and author's theoretical approach, this paper is to consider the microscopic-damage and the macroscopic-damage behaviors of materials that are distinct differences, thereby to propose computing models and methods of subsection calculations in whole process; to consider the behaviors between the short cracks and long ones both of which are always continuous, thereby to propose some computing models and methods of the successive calculations. These computing models refer to formulas of the threshold sizes of cracks (or threshold values of damages); the propagating rates of cracks; the predicting calculations of lifetime; Particularly, in which it provides a best new comprehensive figure that it could be including and describing all problems mentioned above. So it may be as a bridge to link the traditional material mechanics, the material discipline and the modern mechanics on fatigue-damage-fracture; perhaps, it can also be as route diagram to guide designs and calculations to some materials and structures. Therefore, above works realize calculations of the strength problems, the growth rate of cracks (damages) and prediction of lifetime in whole process that would have practical significances.

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The Life Predicting Calculations in Whole Process Realized by Calculable Materials Constants from short Crack to Long Crack Growth Process

Cited by 2 publications

References 7 publications

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

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

Two Kinds of Calculation Methods in Whole Process and a Best New Comprehensive Figure of Metallic Material Behaviors

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