ASSESSMENT TRIBOLOGICAL PROPERTIES OF COATINGS APPLIED BY HVOF TECHNOLOGY

被引：5
|
作者：
Brezinova, Janette [1 ]
Guzanova, Anna [1 ]
Draganovska, Dagmar [1 ]
Egri, Marian [2 ]
机构：
[1] Tech Univ Kosice, Dept Technol & Mat, Fac Mech Engn, Masiarska 74, Kosice 04001, Slovakia
[2] SLOVNAFT Montaze Opravy As, Bratislava 82003, Slovakia
来源：
ACTA MECHANICA ET AUTOMATICA | 2013年 / 7卷 / 03期
关键词：
HVOF Coatings; Adhesion; Hardness; Porosity; Wear Resistance;
D O I：
10.2478/ama-2013-0023
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this article, the attention is paid to the HVOF (High Velocity Oxygen Fuel) thermal spraying method by which the progressive coatings are applied on basic material C15E (STN 412020). These coatings are based on C-17CO, WC-CO-Cr and Cr3C2-25NiCr. There was made determination of the chemical composition of the coatings and assessment of coatings quality - adhesion, microhardness, porosity and wear resistance at room temperature (21 degrees C) and also at operational elevated temperature (900 degrees C). Results of adhesive wear showed high quality of all evaluated coatings and their suitability to extreme tribological conditions.
引用
收藏
页码：135 / 139
页数：5
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