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|Title:||Evaluation of internal stress influence on durability of powder paint coatings|
|Authors:||Prokopchuk, N. R.|
Kukhta, T. H.
|Citation:||Prokopchuk, N. R. Evaluation of internal stress influence on durability of powder paint coatings / N. R. Prokopchuk, T. H. Kukhta // Proceedings of BSTU. No. 4. – Minsk : BSTU, 2014. – P. 49-53|
|Description:||Method for determination of internal stresses influence on durability of powder paint coatings is developed. The method is based on the difference ofthermal-oxidative degradation activation energy of cross ЕD-linked film-forming material within loose and metal-bedded film. It is shown that powder paint coatings internal stresses are insignificant as metal-bedded cross-linked film-forming material does not take big deformations of coatings in the process of their formation as well as during the usage. Reduction of thermal-oxidative degradation activation energy of the parameter ЕDwith such internal stresses is only 3–7 kJ/mol and it does not reduce the coatings durability much in comparison with the influence of the factor of the climatic chamber of UV radiation and high temperatures.|
|Appears in Collections:||2014, № 4|
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