| Autor: |
Khizhnyak, V. G., Arshuk, M. V., Khizhnyak, O. V., Loskutova, T. V. |
| Předmět: |
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| Zdroj: |
Naukovi visti NTUU - KPI; 2012, Vol. 86 Issue 6, p110-114, 5p |
| Abstrakt: |
This paper presents the research results of chrome-calorizing of the steel 12X18H10T. We show how to obtain chromo-calorizing coatings on the surface of the steel 12X18H10T with titanium nitride. We coat the surface by combining two processes: physical 12X18H10T vapor deposition of titanium nitride and diffusion chromo-calorizing conducted by powder in containers with fusible closure under reduced pressure at a temperature of 1050 °C for 3 hours. We determine the phase and chemical composition, thickness and microhardness of coatings before and after the heat resistance test. In addition, we define barrier properties of titanium nitride layer reducing diffuse infiltration of oxygen, chromium and aluminum in the base at oxidation and the base elements in the coating at high temperatures. We detect the effect of the barrier layer of titanium nitride TiN on the coating composition and structure before and after the heat resistance test. Chromo-calorizing of the coating on the surface of the steel 12?18?10T contributes to the heat resistance. The coatings are promising for use in friction and wear, high temperatures and corrosive environments. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
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