Reaction behavior and wear properties of in-situ air plasma-sprayed Al2O3-TiB2 composite coatings

被引：4
作者：
Mirhosseini, Seyed Hossein [1 ]
Mosallaee, Masoud [1 ]
Razavi, Mansour [2 ]
Fotouhi, Mohammad [3 ]
机构：
[1] Yazd Univ, Dept Min & Met Engn, Yazd, Iran
[2] Mat & Energy Res Ctr, Dept Ceram, Karaj, Iran
[3] Delft Univ Technol, Dept Mat Mech Management & Design, Delft, Netherlands
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2023年 / 43卷 / 14期
关键词：
Ceramic Coatings; In; -situ; Milling; Plasma spray; Wear resistance; MECHANICAL-PROPERTIES; COMPOSITE COATINGS; NANOCOMPOSITE; MICROSTRUCTURE; DEPOSITION; TITANIUM; AL2O3; MG;
D O I：
10.1016/j.jeurceramsoc.2023.06.067
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this study, Al2O3-TiB2 coating was successfully deposited on steel substrates by in situ plasma spraying (IPS) using H3BO3, Al, and TiO2 reactants. Beside TiB2 and Al2O3, Al18B4O33 was formed as a by-product with ratio of about 13 wt%. The effect of milling time of reactant and the reaction behavior was also explored. Milling process for at least 10 h can promote efficiency of reaction and milling for efficient production of Al2O3-TiB2 composite. Wear behavior was examined in terms of hardness, wear track width, and wear rate of the coatings with respective measured values of 797.6 HV, 1061.3 & mu;m, and 4.2 x 10-3 mm3/N.m. Based on the FESEM observations, the thickness of abrasive coating was 417 & mu;m, delamination and adhesion were the main wear mechanisms in Al2O3-TiB2-coated specimens.
引用
收藏
页码：6482 / 6492
页数：11
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