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Fractures in Brittle Bone Diseases
Orthopedic Clinics of North America, 1972SUMMARY In lightly covering most of the bone disorders associated with osseous structural fragility one finds that with the exception of untreated osteomalacia, healing is not a problem. Prevention of deformity is the major concern in many of these conditions, and although fracture union can be expected without resorting to unusual measures, operative
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International Journal of Fracture Mechanics, 1972
The equation of motion and the stability conditions of surface cracks which are subjected to stress waves are derived from an energy balance and the law of angular momentum conservation. From the resulting differential equation the terminal crack velocity and dynamic threshold conditions can be derived. It will be shown that not only a critical stress (
B. Steverding, S. H. Lehnigk
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The equation of motion and the stability conditions of surface cracks which are subjected to stress waves are derived from an energy balance and the law of angular momentum conservation. From the resulting differential equation the terminal crack velocity and dynamic threshold conditions can be derived. It will be shown that not only a critical stress (
B. Steverding, S. H. Lehnigk
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An approach to brittle fracture [PDF]
The theories of strength of materials, elasticity, and plasticity, lose much of their power when the structure of a metal can no longer be regarded as a homogeneous medium of unvarying physical properties. An example of this exists in the ductile-to-brittle transition that occurs in plain carbon steel and other metals.
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The Fracture of Brittle Solids
2016Traditionally, mechanical engineering design has been based almost entirely on the use of ductile metals. They are tough, are relatively strong, and can readily be formed into complicated shapes. A great deal of research has been devoted to the processing and mechanical behavior of these materials, and design methods for their use are rather well ...
C. K. H. Dharan, B. S. Kang, Iain Finnie
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Fracture of Brittle Microbeams
Journal of Applied Mechanics, 2004The random polycrystalline microstructure of microbeams necessitates a reexamination of the crack driving force G stemming from the Griffith fracture criterion. It is found that, in the case of dead-load conditions, G computed by straightforward averaging of the spatially random elastic modulus E is lower than that obtained by correct ensemble ...
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1993
This is an advanced text for higher degree materials science students and researchers concerned with the strength of highly brittle covalent–ionic solids, principally ceramics. It is a reconstructed and greatly expanded edition of a book first published in 1975.
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This is an advanced text for higher degree materials science students and researchers concerned with the strength of highly brittle covalent–ionic solids, principally ceramics. It is a reconstructed and greatly expanded edition of a book first published in 1975.
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International Journal of Fracture Mechanics, 1965
Two classes of fracture are defined: I — fracture path completely predictable, and II — fracture path predictable only after initial random propagation. Class I fractures occur when there is a line of principal stress passing through the tip of the initiating notch or slit across which the stress is a maximum away from the tip.
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Two classes of fracture are defined: I — fracture path completely predictable, and II — fracture path predictable only after initial random propagation. Class I fractures occur when there is a line of principal stress passing through the tip of the initiating notch or slit across which the stress is a maximum away from the tip.
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Impact Fracture of Brittle Plate
International Journal of Solids and Structures, 2023Jinxin Pan +3 more
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1972
Most rocks specimens fail violently and uncontrollably at their peak strength when tested under unconfined stress conditions in conventional hydraulic loading systems. At failure their resitance to carry load rapidly drops to zero. This behaviour is commonly known as the “brittle” behaviour of rocks.
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Most rocks specimens fail violently and uncontrollably at their peak strength when tested under unconfined stress conditions in conventional hydraulic loading systems. At failure their resitance to carry load rapidly drops to zero. This behaviour is commonly known as the “brittle” behaviour of rocks.
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