期刊
MATERIALS & DESIGN
卷 39, 期 -, 页码 234-252出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2012.02.040
关键词
Engineering ceramics; Spraying; Wear
资金
- Department of Science and Technology (DST), Govt. of India, New Delhi [SR/FT/ETA-01/2009]
In this paper, the friction and wear behaviours of Yttria Stabilized Zirconia (YSZ) coatings; Lanthanum Zirconate (LZ) coatings and Inconel 738 base material (BM) sliding against a sintered tungsten carbide surface were studied and compared under unlubricated conditions. Sliding experiments were performed in a pin-on-disc configuration. Further, relationships among porosity, normal load and disc speeds with respect to wear loss were derived by using the response surface methodology, and the wear mechanisms were discussed adequately. It was found that the wear resistance of the ceramic coatings gets deteriorated with the increase in the percentage volume of porosity. (C) 2012 Elsevier Ltd. All rights reserved.
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