Abstraet--Nonequilibrium statistical fracture mechanics is a theory of fracture that macromechanical quantities can be derived from the microscopic atomic mechanism of microcrack (or microvoid) evolution dynamics by means of nonequilibrium statistical physical concepts and methods. The microcrack ev
Nonequilibrium statistical foundation of fatigue fracture
โ Scribed by Xiu-San Xing
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 920 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0013-7944
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โฆ Synopsis
The physical foundation of statistical law of fatigue fracture is discussed. The universal forms of the microcrack growth rate, flu~ua~on growth coefficient and dist~bution function and fatigue life distribution function have been given.
๐ SIMILAR VOLUMES
In this paper an analysis of a long edge-cracked beam resting on elastic foundation and with rotational and translational restraints at the ends is presented. The simplified Euler-Bernoulli beam theory is employed with the cracked section represented as an elastic hinge. By using the Paris-Erdogan c
Using Zubarev's theory of the operator, nonequilibrium linear quasithermodynamics is presented. Laws connecting generalized fluxes with generalized forces are formulated. The components of the kinetic transfer coefficients are determined. These are rank 0-4 tensors.
A statistical approach to fatigue fracture under constant load is presented. Crack initiation due to detrimentally-acting external factors is considered, with a time-dependent rate assumed for an ensemble of growing stochastically-independent fatigue cracks. For crack increments under cyclic loading
The shortcomings of Continuum Damage Mechanics (CDM) are discussed and nonequilibrium statistical physics is used to establish a new statistical theory of inhomogeneous damage. The growth of microscopically damaged regions (cracks, voids, etc.) is regarded as the elementary process of damage to the