High-temperature tribological behavior of ZrO 2-MoS 2-CaF 2 self-lubricating composites

Lingqian Kong; Qinling Bi; Muye Niu; Shengyu Zhu; Jun Yang; Weimin Liu

doi:10.1016/j.jeurceramsoc.2012.08.003

High-temperature tribological behavior of ZrO ₂-MoS ₂-CaF ₂ self-lubricating composites

Lingqian Kong, Qinling Bi, Muye Niu, Shengyu Zhu, Jun Yang, Weimin Liu

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

It is of great significance to find ways to control the high-temperature friction and wear of ceramic materials. In this paper, a ZrO ₂ matrix high temperature self-lubricating composite with addition of MoS ₂ and CaF ₂ as lubricants were prepared using hot pressing method by tailoring the composition of CaF ₂. The wear and friction behavior of the composites was investigated from room temperature to 1000°C. The ZrO ₂-MoS ₂-CaF ₂ composites against SiC ceramic exhibited excellent self-lubricating and anti-wear properties at a wide temperature range. At 1000°C, the ZrO ₂-10MoS ₂-10CaF ₂ (wt.%) composite has a very low coefficient of friction of about 0.27 and wear rate of 1.54×10 ^-5mm ³/(Nm). The low friction and wear were attributed to a new lubricant CaMoO ₄ which formed on the worn surfaces at high temperatures.

Original language	English
Pages (from-to)	51-59
Number of pages	9
Journal	Journal of the European Ceramic Society
Volume	33
Issue number	1
DOIs	https://doi.org/10.1016/j.jeurceramsoc.2012.08.003
State	Published - Jan 2013
Externally published	Yes

Keywords

Composites
Hot pressing
Wear parts
Wear resistance
ZrO

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10.1016/j.jeurceramsoc.2012.08.003

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title = "High-temperature tribological behavior of ZrO 2-MoS 2-CaF 2 self-lubricating composites",

abstract = "It is of great significance to find ways to control the high-temperature friction and wear of ceramic materials. In this paper, a ZrO 2 matrix high temperature self-lubricating composite with addition of MoS 2 and CaF 2 as lubricants were prepared using hot pressing method by tailoring the composition of CaF 2. The wear and friction behavior of the composites was investigated from room temperature to 1000°C. The ZrO 2-MoS 2-CaF 2 composites against SiC ceramic exhibited excellent self-lubricating and anti-wear properties at a wide temperature range. At 1000°C, the ZrO 2-10MoS 2-10CaF 2 (wt.%) composite has a very low coefficient of friction of about 0.27 and wear rate of 1.54×10 -5mm 3/(Nm). The low friction and wear were attributed to a new lubricant CaMoO 4 which formed on the worn surfaces at high temperatures.",

keywords = "Composites, Hot pressing, Wear parts, Wear resistance, ZrO",

author = "Lingqian Kong and Qinling Bi and Muye Niu and Shengyu Zhu and Jun Yang and Weimin Liu",

year = "2013",

month = jan,

doi = "10.1016/j.jeurceramsoc.2012.08.003",

language = "英语",

volume = "33",

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T1 - High-temperature tribological behavior of ZrO 2-MoS 2-CaF 2 self-lubricating composites

AU - Kong, Lingqian

AU - Bi, Qinling

AU - Niu, Muye

AU - Zhu, Shengyu

AU - Yang, Jun

AU - Liu, Weimin

PY - 2013/1

Y1 - 2013/1

N2 - It is of great significance to find ways to control the high-temperature friction and wear of ceramic materials. In this paper, a ZrO 2 matrix high temperature self-lubricating composite with addition of MoS 2 and CaF 2 as lubricants were prepared using hot pressing method by tailoring the composition of CaF 2. The wear and friction behavior of the composites was investigated from room temperature to 1000°C. The ZrO 2-MoS 2-CaF 2 composites against SiC ceramic exhibited excellent self-lubricating and anti-wear properties at a wide temperature range. At 1000°C, the ZrO 2-10MoS 2-10CaF 2 (wt.%) composite has a very low coefficient of friction of about 0.27 and wear rate of 1.54×10 -5mm 3/(Nm). The low friction and wear were attributed to a new lubricant CaMoO 4 which formed on the worn surfaces at high temperatures.

AB - It is of great significance to find ways to control the high-temperature friction and wear of ceramic materials. In this paper, a ZrO 2 matrix high temperature self-lubricating composite with addition of MoS 2 and CaF 2 as lubricants were prepared using hot pressing method by tailoring the composition of CaF 2. The wear and friction behavior of the composites was investigated from room temperature to 1000°C. The ZrO 2-MoS 2-CaF 2 composites against SiC ceramic exhibited excellent self-lubricating and anti-wear properties at a wide temperature range. At 1000°C, the ZrO 2-10MoS 2-10CaF 2 (wt.%) composite has a very low coefficient of friction of about 0.27 and wear rate of 1.54×10 -5mm 3/(Nm). The low friction and wear were attributed to a new lubricant CaMoO 4 which formed on the worn surfaces at high temperatures.

KW - Composites

KW - Hot pressing

KW - Wear parts

KW - Wear resistance

KW - ZrO

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DO - 10.1016/j.jeurceramsoc.2012.08.003

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JF - Journal of the European Ceramic Society

IS - 1

ER -

High-temperature tribological behavior of ZrO ₂-MoS ₂-CaF ₂ self-lubricating composites

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Keywords

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