Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives

Copper based particles were synthesized by a wood-powder-template-based process. Wood powders mixed with an aqueous cooper salt solution were heated under N2 gas flow, and then, the mixture of the charcoal powder and copper particles were heated in air to remove charcoal. Finally, oxidized wood-deri...

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Autores principales:	Naohiro Matsumoto, Mikihiro Maeda, Kenji Kajita, Yuya Omiya, Hiroshi Kinoshita
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2020
Materias:	wood-powder-template copper oxide particle lubricant additives boundary lubrication pao Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/3c37b363d2ae41f3be9fc3e35e7c6390
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spelling	oai:doaj.org-article:3c37b363d2ae41f3be9fc3e35e7c63902021-11-05T09:11:45ZWood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives1881-219810.2474/trol.15.68https://doaj.org/article/3c37b363d2ae41f3be9fc3e35e7c63902020-04-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/15/2/15_68/_pdf/-char/enhttps://doaj.org/toc/1881-2198Copper based particles were synthesized by a wood-powder-template-based process. Wood powders mixed with an aqueous cooper salt solution were heated under N2 gas flow, and then, the mixture of the charcoal powder and copper particles were heated in air to remove charcoal. Finally, oxidized wood-derived copper particles (OWCu) of less than 1 μm were synthesized. Wood powders acted as the template and limited the sizes of the copper particles. In addition, the tribological properties of OWCu in synthetic oil were investigated using a pin-on-plate reciprocating tribometer. Our results revealed that 0.5 mass% OWCu reduced both the friction coefficient (max 45%) and wear volume (max 39%) of SUJ2 lubricated by PAO4. The best reduction effect was obtained for OWCu synthesized at 400°C under N2 gas flow, which had the smallest average particle size, where the coverage of the OWCu layer on the wear track was the largest. These facts suggest that the particle size reduction of OWCu can increase the coverage and improve the friction coefficient and wear volume reduction effects of the lubricant. Control of the wood-powder-template-based synthesized particles to the optimal size for the roughness of the sliding surface would help achieve better tribological performance.Naohiro MatsumotoMikihiro MaedaKenji KajitaYuya OmiyaHiroshi KinoshitaJapanese Society of Tribologistsarticlewood-powder-templatecopper oxide particlelubricant additivesboundary lubricationpaoPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 15, Iss 2, Pp 68-77 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	wood-powder-template copper oxide particle lubricant additives boundary lubrication pao Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	wood-powder-template copper oxide particle lubricant additives boundary lubrication pao Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Naohiro Matsumoto Mikihiro Maeda Kenji Kajita Yuya Omiya Hiroshi Kinoshita Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
description	Copper based particles were synthesized by a wood-powder-template-based process. Wood powders mixed with an aqueous cooper salt solution were heated under N2 gas flow, and then, the mixture of the charcoal powder and copper particles were heated in air to remove charcoal. Finally, oxidized wood-derived copper particles (OWCu) of less than 1 μm were synthesized. Wood powders acted as the template and limited the sizes of the copper particles. In addition, the tribological properties of OWCu in synthetic oil were investigated using a pin-on-plate reciprocating tribometer. Our results revealed that 0.5 mass% OWCu reduced both the friction coefficient (max 45%) and wear volume (max 39%) of SUJ2 lubricated by PAO4. The best reduction effect was obtained for OWCu synthesized at 400°C under N2 gas flow, which had the smallest average particle size, where the coverage of the OWCu layer on the wear track was the largest. These facts suggest that the particle size reduction of OWCu can increase the coverage and improve the friction coefficient and wear volume reduction effects of the lubricant. Control of the wood-powder-template-based synthesized particles to the optimal size for the roughness of the sliding surface would help achieve better tribological performance.
format	article
author	Naohiro Matsumoto Mikihiro Maeda Kenji Kajita Yuya Omiya Hiroshi Kinoshita
author_facet	Naohiro Matsumoto Mikihiro Maeda Kenji Kajita Yuya Omiya Hiroshi Kinoshita
author_sort	Naohiro Matsumoto
title	Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
title_short	Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
title_full	Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
title_fullStr	Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
title_full_unstemmed	Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives
title_sort	wood-powder-template-based syntheses and tribology of copper oxide particles as lubricating oil additives
publisher	Japanese Society of Tribologists
publishDate	2020
url	https://doaj.org/article/3c37b363d2ae41f3be9fc3e35e7c6390
work_keys_str_mv	AT naohiromatsumoto woodpowdertemplatebasedsynthesesandtribologyofcopperoxideparticlesaslubricatingoiladditives AT mikihiromaeda woodpowdertemplatebasedsynthesesandtribologyofcopperoxideparticlesaslubricatingoiladditives AT kenjikajita woodpowdertemplatebasedsynthesesandtribologyofcopperoxideparticlesaslubricatingoiladditives AT yuyaomiya woodpowdertemplatebasedsynthesesandtribologyofcopperoxideparticlesaslubricatingoiladditives AT hiroshikinoshita woodpowdertemplatebasedsynthesesandtribologyofcopperoxideparticlesaslubricatingoiladditives
_version_	1718444403616382976

Wood-Powder-Template-Based Syntheses and Tribology of Copper Oxide Particles as Lubricating Oil Additives

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