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Computational Modelling of Biomechanics and Biotribology in the Musculoskeletal System
book

Computational Modelling of Biomechanics and Biotribology in the Musculoskeletal System

by Z Jin
May 2014
Intermediate to advanced content levelIntermediate to advanced
550 pages
19h 34m
English
Woodhead Publishing
Content preview from Computational Modelling of Biomechanics and Biotribology in the Musculoskeletal System
Modelling fracture processes in orthopaedic implants 339
Especially in materials sintered at the interface between grains cracks may
appear, which under the in uence of loads will initiate the development of a
fracture. To describe fracture resistance, the stress intensity factor K is used,
expressed by the formula:
Ka
σπ
a
a
[11.5]
where:
σ is the stress in the element (MPa) and
a is the crack length (m).
When the value of K is large, then at a given level of tensile stress, σ , there
may be a longer crack, a , in the product. Small values of K mean that the
existence of a very short crack is possible. Ceramic has very small ...
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Publisher Resources

ISBN: 9780857096616