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FORMATION OF WEAR AND HARDRESISTANT COATINGS Ni-Al-Ti-C-SiO2-Al2O3-B2O SYSTEMS

FORMATION OF WEAR AND HARDRESISTANT COATINGS Ni-Al-Ti-C-SiO2-Al2O3-B2O SYSTEMS

Abstract

The laws of formation of wear and hardresistant coatings of the Ni-Al-Ti-C-SiO2-Al2O3-B2O system are shown in the work and the results of their research at friction loading are given. The proposed coatings are characterized by having an order of magnitude higher resistance to oxidation compared to traditional heatresistant coatings, with high wear resistance. In the whole range of tests, the indicators of wear intensity remain virtually unchanged, and much lower than traditionally used wear-resistant materials. At change of speed of sliding in the conditions of the increased loadings and temperatures intensity of wear remains practically invariable and is twice less in comparison with coverings of tungsten carbide. Розкрито закономірності формування жаро-зносостійких покриттів системи Ni-Al-Ti-C-SiO2-Al2O3-B2O та наведено результати їх дослідження при навантаженні тертям. Запропоновані покриття відрізняються тим, що мають на порядок вищу стійкість до окислення у порівняні з традиційними жаростійкими покриттями, при цьому відрізняються високими показниками зносостійкості. У всьому діапазоні випробувань показники інтенсивності зношування залишаються практично незмінними, та значно нижчі від традиційно застосовуваних зносостійких матеріалів. При зміні швидкості ковзання в умовах підвищених навантажень та температур інтенсивність зношування залишається практично незмінною і вдвічі менша у порівнянні з покриттями карбіду вольфраму.

Keywords

oxidation resistance, стійкість до окисленні, жаро-зносостійкі покриття, heat resistance, жаростійкість, інтенсивність зношування, heat-resistant coatings, wear intensity

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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
bronze