Materials Science

, Volume 29, Issue 2, pp 121–127 | Cite as

Process of self-organization in metal

  • A. A. Polyakov


1. As a result of special features of the physical and chemical structure the dissipative structure in the solid forms only in a thin subsurface layer of the metal during friction and represents dynamic nonequilibrium interaction of the diffusion flow of climbing dislocation with counterflows of vacancies. This results in inhalation of the dislocations which formed during deformation of the layer (selective transfer).

2. In addition to special conditions (selective dissolution), formation of the dissipative structure in the surface layer is supported by the proximity of the surface creating suitable conditions for saturating the layer with the vacancies and for formation of a dislocation sink. The fact that these conditions do not exist in the volume indicates that the dissipation systems are insufficient for organizing the dissipative structure in the volume of the solid.

3. If the phase transition in dislocation movement is not completed by the evolution of the structures as in, for example, the system of boundary friction (close system), the development of dissipative subsystems nevertheless may continue (synergetics of the zero order) together with an increase of the degree of chaos.

4. Structural adaptability in the closed system of the solid (synergetics of the zero order), generated from the outside or formed naturally during evolution of the structures, may be used to reduce the entropy rate.


Entropy Phase Transition Close System Zero Order Suitable Condition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Plenum Publishing Corporation 1993

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  • A. A. Polyakov

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