Ga-based liquid metal with good self-lubricity and high load-carrying capacity

Jun Cheng; Yuan Yu; Jie Guo; Shuai Wang; Shengyu Zhu; Qian Ye; Jun Yang; Weimin Liu

doi:10.1016/j.triboint.2018.08.003

Ga-based liquid metal with good self-lubricity and high load-carrying capacity

Jun Cheng, Yuan Yu, Jie Guo, Shuai Wang, Shengyu Zhu, Qian Ye, Jun Yang, Weimin Liu

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

37 Scopus citations

Abstract

Extreme pressure lubrication is a great challenge for many mechanical systems like bearings and gears. Here, an novel functional material based on Ga-based liquid metal has been applied to successfully lubricate the steel-ceramic sliding pairs at extreme high load (1500 N), which significantly outperforms other liquid lubricants like oil and ionic liquid. Ga-based liquid metal provides a low friction coefficient (0.11–0.23) and wear rate (10⁻⁸-10⁻⁷ mm³/Nm) of AISI 52100 steel disc (C_0.98-1.10Mn_0.25-0.45P_≤0.025S_≤0.025Si_0.15-0.30Cr_1.30-1.60Fe_96.5-97.32, mass %; American Iron and Steel Institute standard) when it slides against Si₃N₄ balls over a load range 100–1500 N. To elucidating these interesting results, the lubrication mechanisms of Ga-based liquid metal are studied by tribo-surface analysis.

Original language	English
Pages (from-to)	1-4
Number of pages	4
Journal	Tribology International
Volume	129
DOIs	https://doi.org/10.1016/j.triboint.2018.08.003
State	Published - Jan 2019
Externally published	Yes

Keywords

Boundary lubrication
Room temperature liquid metal
Steel-ceramic sliding pairs
Wear

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10.1016/j.triboint.2018.08.003

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title = "Ga-based liquid metal with good self-lubricity and high load-carrying capacity",

abstract = "Extreme pressure lubrication is a great challenge for many mechanical systems like bearings and gears. Here, an novel functional material based on Ga-based liquid metal has been applied to successfully lubricate the steel-ceramic sliding pairs at extreme high load (1500 N), which significantly outperforms other liquid lubricants like oil and ionic liquid. Ga-based liquid metal provides a low friction coefficient (0.11–0.23) and wear rate (10−8-10−7 mm3/Nm) of AISI 52100 steel disc (C0.98-1.10Mn0.25-0.45P≤0.025S≤0.025Si0.15-0.30Cr1.30-1.60Fe96.5-97.32, mass %; American Iron and Steel Institute standard) when it slides against Si3N4 balls over a load range 100–1500 N. To elucidating these interesting results, the lubrication mechanisms of Ga-based liquid metal are studied by tribo-surface analysis.",

keywords = "Boundary lubrication, Room temperature liquid metal, Steel-ceramic sliding pairs, Wear",

author = "Jun Cheng and Yuan Yu and Jie Guo and Shuai Wang and Shengyu Zhu and Qian Ye and Jun Yang and Weimin Liu",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

year = "2019",

month = jan,

doi = "10.1016/j.triboint.2018.08.003",

language = "英语",

volume = "129",

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T1 - Ga-based liquid metal with good self-lubricity and high load-carrying capacity

AU - Cheng, Jun

AU - Yu, Yuan

AU - Guo, Jie

AU - Wang, Shuai

AU - Zhu, Shengyu

AU - Ye, Qian

AU - Yang, Jun

AU - Liu, Weimin

PY - 2019/1

Y1 - 2019/1

N2 - Extreme pressure lubrication is a great challenge for many mechanical systems like bearings and gears. Here, an novel functional material based on Ga-based liquid metal has been applied to successfully lubricate the steel-ceramic sliding pairs at extreme high load (1500 N), which significantly outperforms other liquid lubricants like oil and ionic liquid. Ga-based liquid metal provides a low friction coefficient (0.11–0.23) and wear rate (10−8-10−7 mm3/Nm) of AISI 52100 steel disc (C0.98-1.10Mn0.25-0.45P≤0.025S≤0.025Si0.15-0.30Cr1.30-1.60Fe96.5-97.32, mass %; American Iron and Steel Institute standard) when it slides against Si3N4 balls over a load range 100–1500 N. To elucidating these interesting results, the lubrication mechanisms of Ga-based liquid metal are studied by tribo-surface analysis.

AB - Extreme pressure lubrication is a great challenge for many mechanical systems like bearings and gears. Here, an novel functional material based on Ga-based liquid metal has been applied to successfully lubricate the steel-ceramic sliding pairs at extreme high load (1500 N), which significantly outperforms other liquid lubricants like oil and ionic liquid. Ga-based liquid metal provides a low friction coefficient (0.11–0.23) and wear rate (10−8-10−7 mm3/Nm) of AISI 52100 steel disc (C0.98-1.10Mn0.25-0.45P≤0.025S≤0.025Si0.15-0.30Cr1.30-1.60Fe96.5-97.32, mass %; American Iron and Steel Institute standard) when it slides against Si3N4 balls over a load range 100–1500 N. To elucidating these interesting results, the lubrication mechanisms of Ga-based liquid metal are studied by tribo-surface analysis.

KW - Boundary lubrication

KW - Room temperature liquid metal

KW - Steel-ceramic sliding pairs

KW - Wear

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U2 - 10.1016/j.triboint.2018.08.003

DO - 10.1016/j.triboint.2018.08.003

M3 - 文章

AN - SCOPUS:85051272005

SN - 0301-679X

VL - 129

SP - 1

EP - 4

JO - Tribology International

JF - Tribology International

ER -

Ga-based liquid metal with good self-lubricity and high load-carrying capacity

Abstract

Keywords

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