Physical mechanisms of stress field formation near the "coating-substrate" boundary during electron beam processing
The model of residual stress calculation near the "coating-substrate" boundary is presented. The model takes into account changes not only in temperature, but also in phase composition. It is revealed that stresses in the coating significantly exceed the yield stress limit of the coating material. For these parameters of surface modification, stresses are caused by changes in composition due to diffusion and chemical reactions caused by heating.
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Keywords
никелид титана, переходная зона, численное моделирование, диффузия, химические реакции, остаточные напряжения, titanium nickelide, transition zone, numerical modeling, diffusion, chemical reactions, residual stressAuthors
Name | Organization | |
Kryukova O.N. | Institute of Strength Physics and Materials Science of SB RAS | okruk@ispms.tsc.ru |
Knyazeva A.G. | Institute of Strength Physics and Materials Science of SB RAS | anna-knyazeva@mail.ru |
Maslov A.L. | Institute of Strength Physics and Materials Science of SB RAS | masloaleksey@rambler.ru |
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