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Linear elastic fracture mechanics of duralumin
Canadian Metallurgical Quarterly, 1969AbstractOne desirable improvement of high-strength aluminum alloys often showing considerable anisotropy is the increase of their notch toughness in certain grain orientations. Although we know that material properties such as yield stress, fracture toughness, fatigue or stress corrosion behaviour generally have a strong directional dependence, the ...
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Linear-Elastic Fracture Mechanics
2016Solid bodies containing cracks can be characterized by defining a state of stress near a crack tip and the energy balance coupled with fracture. Introducing the Westergaard stress function and will allow the development of a significant stress analysis at the crack tip. These particular functions can be found elsewhere [12].
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Introduction to linear elastic fracture mechanics
2001Publisher Summary This chapter focuses on the concept of linear elastic fracture mechanics (LEFM). LEFM is the basic scheme used for most of the protocols. It has a secure theoretical basis in that all energy dissipation is associated with the fracture process and the deformation that occurs is linear elastic.
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Fundamentals of Linear Elastic Fracture Mechanics
2022Cameron Coates, Valmiki Sooklal
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Crack stability in linear elastic fracture mechanics
International Journal of Fracture Mechanics, 1969A linear elastic fracture mechanics analysis of the conditions that produce crack instability is presented. If the initial crack extension causes the change in crack-tip resistance to be negative with respect to the change in crack-tip loading, the crack will continue to propagate even though the loading agent remains stationary, and the crack is ...
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An introduction to linear elastic fracture mechanics
2021Carl Ross, John Bird, Andrew Little
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Linear Elastic Fracture Mechanics (LEFM) and Applications
2001In brittle fracture it is assumed that failure in an elastic material takes place when the available elastic energy is adequate to overcome the energy necessary to propagate a crack and to create new crack surfaces. At the instant of instability, the stresses at the apex of an elastic crack must have sufficient magnitude, capable of driving the crack ...
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