BOOKS - TECHNICAL SCIENCES - Физическая природа разрушения металлов...
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667463
667463
Физическая природа разрушения металлов
Author: Владимиров В.И.
Year: 1984
Number of pages: 280
Format: PDF
File size: 12 MB
Language: RU
Year: 1984
Number of pages: 280
Format: PDF
File size: 12 MB
Language: RU
The basic physical concepts of destruction are presented, which is considered as a kinetic, statistical, multi-stage and multi-scale process. Based on the achievement of physics of defects (dislocations, disclinations, vacancies, etc.), microscopic models of crack initiation and growth are considered. The main stages of the destruction process are covered: the creation of local overvoltages, the initiation and growth of microcracks, the initiation of macrocracks, the kinetics of the development and structure of plastic zones at the tops of macrocracks, the transition of the crack to an unstable state. Special cases are given due to change of loading conditions or type of lattice and peculiarities of metal dislocation structure.
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