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Books > Professional & Technical > Mechanical engineering & materials > Mechanical engineering
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Micromechanisms of Fracture and Fatigue - In a Multi-scale Context (Paperback, 2010 ed.)
Loot Price: R5,706
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Micromechanisms of Fracture and Fatigue - In a Multi-scale Context (Paperback, 2010 ed.)
Series: Engineering Materials and Processes
Expected to ship within 10 - 15 working days
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Micromechanisms of Fracture and Fatigue forms the culmination of 20
years of research in the field of fatigue and fracture. It
discusses a range of topics and comments on the state of the art
for each. The first part is devoted to models of deformation and
fracture of perfect crystals. Using various atomistic methods, the
theoretical strength of solids under simple and complex loading is
calculated for a wide range of elements and compounds, and compared
with experimental data. The 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 perfect crystal lattices is
demonstrated by the coupling of atomistic and mesoscopic
approaches, and compared with brittle/ductile behaviour of
engineering materials. The second part addresses extrinsic sources
of fracture toughness of engineering materials, related to their
microstructure and microstructurally-induced crack tortuosity.
Micromechanisms of ductile fracture are also described, in relation
to the fracture strain of materials. Results of multilevel
modelling, including statistical aspects of microstructure, are
used to explain remarkable phenomena discovered in experiments. In
the third part of the book, basic micromechanisms of fatigue cracks
propagation 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,
and an attempt is made to distinguish intrinsic and extrinsic
sources of materials resistance to fracture. Micromechanisms of
Fracture and Fatigue provides scientists, researchers and
postgraduate students with not only a deep insight into basic
micromechanisms of fracture behaviour of materials, but also a
number of engineering applications.
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