Micromechanisms of Fracture and Fatigue: In a Multi-scale Context by Jaroslav PokludaMicromechanisms of Fracture and Fatigue: In a Multi-scale Context by Jaroslav Pokluda

Micromechanisms of Fracture and Fatigue: In a Multi-scale Context

byJaroslav Pokluda, Pavel Å Andera

Paperback | July 1, 2012

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Micromechanisms of Fracture and Fatigueprovides a detailed insight into the basic micromechanisms of the fracture behaviour of materials, with applications in the engineering industry.

Divided into three parts, the first part is devoted to models of deformation and fracture in perfect crystals. Using various atomistic methods, the theoretical strength of solids as a highest reachable strength limit is calculated for a wide range of elements and compounds and compared with experimental data. Connection between the onset of local plasticity in nanoindentation tests and the ideal shear strength is analysed using a multi-scale approach. Moreover, the nature of intrinsic brittleness or ductility of crystal lattices is also demonstrated by the coupling of atomistic and mesoscopic approaches.

The second part addresses extrinsic sources of fracture toughness in engineering materials, related to their microstructure and to microstructurally induced crack tortuosity. The results of multilevel modelling, including statistical aspects of microstructure, are used to explain the remarkable phenomena experimentally discovered.

In the third part of the book, basic micromechanisms of fatigue propagation of long cracks under uniaxial and multiaxial loading are discussed on the basis of the unified mesoscopic model of crack tip shielding and closure, taking both microstructure and statistical effects into account. Applications to failure analysis are also outlined. In general, an attempt is made to distinguish intrinsic and extrinsic sources of materials resistance to fracture.

Jaroslav Pokluda received his PhD in the Physics of Condensed Matter from the University of J. E. Purkyne, Brno, Czech Republic. He was with the Military Research Institute of Materials and Technology until 1985 and, since then, he has been with the Brno University of Technology as Associate Professor, Professor and Head of the Departm...
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Title:Micromechanisms of Fracture and Fatigue: In a Multi-scale ContextFormat:PaperbackDimensions:293 pagesPublished:July 1, 2012Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1447125622

ISBN - 13:9781447125624

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Reviews

Table of Contents

Deformation and Fracture of Perfect Crystals.- Brittle and Ductile Fracture.- Fatigue Fracture.- Final Reflections.

Editorial Reviews

From the reviews:"The book presents a modern view on micromechanisms of fracture and fatigue of metallic materials and alloys. . The book could be recommended to students studying the fracture mechanics due to clear physical ideas and sufficiently strict mathematical representation of the results. The teachers can also obtain important additional information to modernize the corresponding lectures and practical lessons." (I. A. Parinov, Zentralblatt MATH, Vol. 1206, 2011)