Topic
Stress field
About: Stress field is a research topic. Over the lifetime, 11926 publications have been published within this topic receiving 226417 citations.
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TL;DR: Mikumo et al. as mentioned in this paper studied the effect of fault-valve behavior on the probability of failure of a fault in the shallow crust and showed that the magnitude of the failure depends on the coupling between normal stress and shear stress on the fault and the manner of fault loading.
665 citations
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TL;DR: In this article, a straight crack moving through an elastic medium is calculated and the stresses depend on the velocity and reduce to Inglis' solution when the velocity is zero, and the results may be applied to the spicular fracture of glass.
Abstract: Summary The stress field is calculated about a straight crack moving through an elastic medium. The stresses depend on the velocity and reduce to Inglis' solution when the velocity is zero. The results may be applied to the spicular fracture of glass.
663 citations
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01 Dec 1966
TL;DR: In this article, the authors describe the stress field around a Dislocation and the forces on the Dislocations, as well as the effects of point defect on point defects.
Abstract: 1. Description of a Dislocation 2. The Stress Field Around a Dislocation 3. Forces on a Dislocation 4. Dislocation Reactions in Crystals 5. Dislocation Multiplication, Twinning, Peierls Forces and Related Topics 6. Image Forces, Interactions with Point Defects and Other Topics
660 citations
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TL;DR: In this paper, the elastic stress field equations for blunt cracks are derived and presented in a form equivalent to the usual sharp crack tip stress fields, which are employed in analyzing a dissolution model for the arrest of stress corrosion cracking by crack tip blunting.
Abstract: The elastic stress field equations for blunt cracks are derived and presented in a form equivalent to the usual sharp crack tip stress fields. These stress field equations are employed in analyzing a dissolution model for the arrest of stress corrosion cracking by crack tip blunting, which is often observed with the arrest of stress corrosion cracks.
656 citations
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TL;DR: In this paper, the authors investigated the microfracture patterns observed around point indentations in brittle solids and derived the means for predetermining, in principle, the depth of fracture damage under given point loading conditions.
Abstract: The microfracture patterns observed around point indentations in brittle solids are investigated. A description is first given of the stress field in an elastic half-space loaded normally at a point in its surface. This field is then used as a basis for analysing the crack geometry. A localized zone of irreversible deformation forms about the contact point, thereby removing a singularity in the elasticity solutions and providing nucleation centres for the ensuing microcracks. Generally, two main types of ‘vent’ cracks are observed to propagate from the deformation zone: median vents, formed during indenter loading, spread downward below the point of contact on planes of symmetry, and lateral vents, formed during unloading, spread sideways toward the specimen surface. Of these, the median vent is relatively well-behaved, and is amenable to standard fracture-mechanics analysis. From such an analysis we derive the means for predetermining, in principle, the depth of fracture damage under given point loading conditions. The significance of the results in relation to important practical applications, such as glass cutting and surface fragmentation processes, is discussed.
629 citations