Download Creep of Crystals: High-Temperature Deformation Processes in by Jean-Paul Poirier PDF

By Jean-Paul Poirier

ISBN-10: 0511564457

ISBN-13: 9780511564451

ISBN-10: 0521261775

ISBN-13: 9780521261777

ISBN-10: 0521278511

ISBN-13: 9780521278515

This textbook describes the physics of the plastic deformation of solids at excessive temperatures. it truly is directed at geologists or geophysicists attracted to the high-temperature behaviour of crystals who desire to turn into accustomed to the tools of fabrics technology in as far as they're helpful to earth scientists. It explains an important types and up to date experimental effects with no wasting the reader within the fundamental literature of fabrics technological know-how. In flip the e-book offers with the basic solid-state physics; thermodynamics and hydrostatics of creep; creep versions and their purposes within the geological sciences; diffusion creep; superplastic deformation and deformation stronger by means of part differences. 5 concluding chapters supply experimental effects for metals, ceramics and minerals. There are huge bibliographies to help additional examine.

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Additional resources for Creep of Crystals: High-Temperature Deformation Processes in Metals, Ceramics and Minerals (Cambridge Earth Science Series)

Sample text

Typical constant-structure curves for various values of the hardness parameter y. Stress jumps and stress relaxation correspond to moving the representative point (

25)). Finally, it is unfortunately not superfluous to say that the samples must be examined after deformation, at all scales of observation. 1 State variables, time, strain Constitutive relations describe the rheological properties of materials. 2) characteristic constitutive equations for simple rheological behaviours, but most crystalline solids behave in a complex way and we have to decide which is the dominant rheology whose constitutive equation best describes the deformation. g. Spencer, 1968).

The result is that even a brittle single crystalline specimen can creep in compression under atmospheric pressures without failing, provided that it does not contain microcracks liable to grow and that enough care is taken in aligning the specimen and applying the stress. In polycrystals, however, incompatibilities at grain boundaries 19 Definitions give rise to internal stresses, which may cause cracks to nucleate. Tensile creep tests usually end by necking (a plastic instability) and failure.

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Creep of Crystals: High-Temperature Deformation Processes in Metals, Ceramics and Minerals (Cambridge Earth Science Series) by Jean-Paul Poirier


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