Tribological behavior of Fe70Ni30 alloy with nanoscale twins under liquid paraffin lubrication

Yonghai Kang; Jun Yang; Licai Fu; Jiqiang Ma; Qinling Bi; Weimin Liu

doi:10.1177/1350650112453405

Tribological behavior of Fe₇₀Ni₃₀ alloy with nanoscale twins under liquid paraffin lubrication

Yonghai Kang, Jun Yang, Licai Fu, Jiqiang Ma, Qinling Bi, Weimin Liu

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

3 Scopus citations

Abstract

Fe₇₀Ni₃₀ alloy with nanoscale twins was obtained by deep cryogenic treatment (DCT) of coarse grained Fe₇₀Ni₃₀ alloy (CG-Fe₇₀Ni₃₀) at liquid nitrogen temperature. The tribological behavior of DCT-Fe₇₀Ni₃₀ alloy was investigated under liquid paraffin oil lubrication compared with that of CG-Fe₇₀Ni₃₀ alloy. The experimental results showed that the wear resistance of DCT-Fe₇₀Ni₃₀ alloy was improved significantly after the introduction of nanoscale twins, and DCT-Fe ₇₀Ni₃₀ alloy also showed a little lower friction coefficient relative to CG-Fe₇₀Ni₃₀ alloy. The results indicated that twins play a positive role in the material's friction-reduction and anti-wear properties, which is attributed to the better oil-adsorption ability and enhanced hardness of DCT-Fe₇₀Ni₃₀ alloy caused by structural refinement. Wear mechanisms were discussed.

Original language	English
Pages (from-to)	60-66
Number of pages	7
Journal	Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volume	227
Issue number	1
DOIs	https://doi.org/10.1177/1350650112453405
State	Published - Jan 2013
Externally published	Yes

Keywords

Friction
Martensite
Nano-twins
Oil lubrication
Wear

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title = "Tribological behavior of Fe70Ni30 alloy with nanoscale twins under liquid paraffin lubrication",

abstract = "Fe70Ni30 alloy with nanoscale twins was obtained by deep cryogenic treatment (DCT) of coarse grained Fe70Ni30 alloy (CG-Fe70Ni30) at liquid nitrogen temperature. The tribological behavior of DCT-Fe70Ni30 alloy was investigated under liquid paraffin oil lubrication compared with that of CG-Fe70Ni30 alloy. The experimental results showed that the wear resistance of DCT-Fe70Ni30 alloy was improved significantly after the introduction of nanoscale twins, and DCT-Fe 70Ni30 alloy also showed a little lower friction coefficient relative to CG-Fe70Ni30 alloy. The results indicated that twins play a positive role in the material's friction-reduction and anti-wear properties, which is attributed to the better oil-adsorption ability and enhanced hardness of DCT-Fe70Ni30 alloy caused by structural refinement. Wear mechanisms were discussed.",

keywords = "Friction, Martensite, Nano-twins, Oil lubrication, Wear",

author = "Yonghai Kang and Jun Yang and Licai Fu and Jiqiang Ma and Qinling Bi and Weimin Liu",

year = "2013",

month = jan,

doi = "10.1177/1350650112453405",

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volume = "227",

pages = "60--66",

journal = "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology",

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number = "1",

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TY - JOUR

T1 - Tribological behavior of Fe70Ni30 alloy with nanoscale twins under liquid paraffin lubrication

AU - Kang, Yonghai

AU - Yang, Jun

AU - Fu, Licai

AU - Ma, Jiqiang

AU - Bi, Qinling

AU - Liu, Weimin

PY - 2013/1

Y1 - 2013/1

N2 - Fe70Ni30 alloy with nanoscale twins was obtained by deep cryogenic treatment (DCT) of coarse grained Fe70Ni30 alloy (CG-Fe70Ni30) at liquid nitrogen temperature. The tribological behavior of DCT-Fe70Ni30 alloy was investigated under liquid paraffin oil lubrication compared with that of CG-Fe70Ni30 alloy. The experimental results showed that the wear resistance of DCT-Fe70Ni30 alloy was improved significantly after the introduction of nanoscale twins, and DCT-Fe 70Ni30 alloy also showed a little lower friction coefficient relative to CG-Fe70Ni30 alloy. The results indicated that twins play a positive role in the material's friction-reduction and anti-wear properties, which is attributed to the better oil-adsorption ability and enhanced hardness of DCT-Fe70Ni30 alloy caused by structural refinement. Wear mechanisms were discussed.

AB - Fe70Ni30 alloy with nanoscale twins was obtained by deep cryogenic treatment (DCT) of coarse grained Fe70Ni30 alloy (CG-Fe70Ni30) at liquid nitrogen temperature. The tribological behavior of DCT-Fe70Ni30 alloy was investigated under liquid paraffin oil lubrication compared with that of CG-Fe70Ni30 alloy. The experimental results showed that the wear resistance of DCT-Fe70Ni30 alloy was improved significantly after the introduction of nanoscale twins, and DCT-Fe 70Ni30 alloy also showed a little lower friction coefficient relative to CG-Fe70Ni30 alloy. The results indicated that twins play a positive role in the material's friction-reduction and anti-wear properties, which is attributed to the better oil-adsorption ability and enhanced hardness of DCT-Fe70Ni30 alloy caused by structural refinement. Wear mechanisms were discussed.

KW - Friction

KW - Martensite

KW - Nano-twins

KW - Oil lubrication

KW - Wear

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JO - Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology

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ER -

Tribological behavior of Fe₇₀Ni₃₀ alloy with nanoscale twins under liquid paraffin lubrication

Abstract

Keywords

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