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In this book a new phenomenological approach to brittle medium fracture initiation under shock pulses is developped. It provides an opportunity to estimate fracture of media with and without macrodefects.
1. Problems of Dynamic Linear Fracture Mechanics.- 2. Experimental Methods of Dynamic Fracture Research.- 3. Effects of High-Rate Fracture of Brittle Materials.- 4. Some Non-Classical Approaches. New Criterion of Brittle Fracture.- 5. ‘Intact’ Fracture.- 6. Stress Fields in Problems of Dynamic Fracture Mechanics.- 7. Dynamic Fracture Near the Crack Tip.- 8. Determination of Fracture Direction Under Asymmetric-Impact Action.- 9. On Material Yield Modeling under High-Rate Loading.- References.
In this book a new phenomenological approach to brittle medium fracture initiation under shock pulses is developped. It provides an opportunity to estimate fracture of media with and without macrodefects. A qualitative explanation is thus obtained for a number of principally important effects of high-speed dynamic fracture that cannot be clarified within the framework of previous approaches. It is possible to apply this new strategy to resolve applied problems of disintegration, erosion, and dynamic strength determination of structural materials. Specialists can use the methods described to determine critical characteristics of dynamic strength and optimal effective fracture conditions for rigid bodies. This book can also be used as a special educational course on deformation of materials and constructions, and fracture mechanics.
