TITLE:
Reliability of Life Calculation Laws for Materials under Variable Amplitude Loading
AUTHORS:
Wel-Doret Djonglibet, Tikri Bianzeube, Kinet Ouinra
KEYWORDS:
Design, Reliability, Durability, Variable Loading
JOURNAL NAME:
Open Journal of Applied Sciences,
Vol.12 No.11,
November
28,
2022
ABSTRACT: For
many years, researchers have been looking for a reliable law that will take into account the type of loading, the mechanical
characteristics of the material, the
geometric configuration in the determination of the service life of mechanical parts. The service life of structures at risk (automotive,
aeronautics, among others.) in service,
subjected to variable solicitations in time, are random for a same type of loading. This article
proposes to highlight the influence of this variation in service life on
the reliability of structures by a probabilistic approach. The characteristics
of the proposed law are satisfactory compared to the classical laws because it
takes into account the parameters of the classical
laws (Weibull law) and the dispersions of the lifetimes of a same
material.