Wear mechanism of spark plasma sintered MWCNTs reinforced zirconia composites under dry sliding conditions

被引：6
|
作者：
Lamnini, Soukaina [1 ,2 ]
Balazsi, Csaba [2 ]
Balazsi, Katalin [2 ]
机构：
[1] Obuda Univ, Doctoral Sch Mat Sci & Technol, Becsi Str 96-B, H-1034 Budapest, Hungary
[2] Hungarian Acad Sci, Inst Tech Phys & Mat Sci, Ctr Energy Res, Konkoly Thege M Str 29-33, H-1121 Budapest, Hungary
来源：
WEAR | 2019年 / 430卷
关键词：
8YSZ/MWCNTs composites; Fractographic analysis; Wear mechanism; Tribological behavior; SEM/EDS; TRIBOLOGICAL BEHAVIOR; CARBON; MICROSTRUCTURE; TOUGHNESS; FRACTURE;
D O I：
10.1016/j.wear.2019.05.020
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this work multiwall carbon nanotubes (MWCNTs) reinforced 8 mol.% yttria-stabilized zirconia (8YSZ) composites were prepared using attrition milling and spark plasma sintering (SPS, at 1400 degrees C) in different compositions (0, 1, 5, 10 wt% MWCNTs). The effect of sliding speed at low (V1 = 0.036 m/s) and high (V2 = 0.11 m/s) values has been investigated. Outstanding wear improvement at both low/high sliding speed has been reported with the addition of 1 wt% of MWCNTs. This was most likely attributed to two main factors: 1) the formation of a perfectly continuous and uniform tribo-film. 2) the improved flexural strength, fracture toughness and density.
引用
收藏
页码：280 / 289
页数：10
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