Item Infomation


Title: 
Influence of Feedstock and Thermal Spray Process on the Phase Composition of Alumina Coatings and Their Sliding Wear
Authors: 
Ali, Omar
Ahmed, Rehan
Toma, Filofteia-Laura
Issue Date: 
2023
Publisher: 
Springer
Abstract: 
Suspension thermal spraying is an emerging coating technology that enables the deposition of dense-structured ceramic coatings. As wear resistance is a main application field of alumina (Al2O3) coatings, this study aimed to evaluate the dry reciprocating sliding wear resistance of suspension sprayed high velocity oxy-fuel (S-HVOF) alumina coatings and to compare it with atmospheric plasma sprayed (APS) and HVOF coatings. Coatings were analyzed in the as-sprayed state and post-treated at 910 °C (hot isostatically pressed, HIPed) conditions. Wear tests were conducted using a tribometer, following the ASTM G133-02 standard and a sintered WC-6 wt.% Co ball as the counterbody. Coating characterization was done using scanning electron microscopy, x-ray diffraction and nanoindentation technique.
Description: 
CC-By
URI: 
https://link.springer.com/article/10.1007/s11666-023-01597-z
https://dlib.phenikaa-uni.edu.vn/handle/PNK/9045
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