Effects of Porous Surface Layer on Lubrication Evaluated by Ring Compression Friction Test

Oyachi, Yukiya; Utsunomiya, Hiroshi; Sakai, Tetsuo; Yoshikawa, Takeshi; Tanaka, Toshihiro

doi:https://doi.org/10.2355/isijinternational.52.858

このアイテムのアクセス数:196件（2023-06-06 18:44 集計）

このアイテムへのリンクには次のURLをご利用ください: https://hdl.handle.net/11094/26384

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タイトル	Effects of Porous Surface Layer on Lubrication Evaluated by Ring Compression Friction Test
著者	著者名 Oyachi, Yukiya
	NRID 1000080252584 1000080252584 researchmap permalink read0042799 read0042799 Scopus Author ID 7102139699 7102139699 著者名 Utsunomiya, Hiroshi
	NRID 1000080029298 1000080029298 著者名 Sakai, Tetsuo
	NRID 1000090435933 1000090435933 著者名 Yoshikawa, Takeshi
	NRID 1000010179773 1000010179773 researchmap permalink read0013978 read0013978 著者名 Tanaka, Toshihiro
キーワード等	porous metal
	cold working
	lubrication
	oil pit
	tribology
	carbon steel
抄録	Lubrication is an important parameter in cold working of steels. Metal soap on phosphate coating is the most commonly used lubrication system in industries at present, but the technique is less productive and environmentally hazardous. The authors proposed an alternative lubrication process which makes use of porous layer formed on the surface of the workpiece by oxidization and chemical reduction in the previous paper. The technique, due to the porous layer, enables to hold more liquid lubricant on the surface and consequently to decrease the friction. This research expands the range of application of this technique. The porous layer is applied to three types of steels containing different levels of carbon and its effects are analyzed under three lubrication conditions; unlubricated, machine oil and grease, by ring-compression test. Another important condition, compression speed is investigated by using two types of equipments, a hydraulic press (low speed) or a mechanical press (high speed). This study proves that the porous layer technique is applicable to a range of types of steels reducing the friction coefficient, and at the same time provides some insights to explain the mechanics of the technique. The lubrication effects are explained by the thickness of lubricant held at the interface between the die and the surface of workpiece.
出版者	日本鉄鋼協会
	The Iron and Steel Institute of Japan
	ニホン　テッコウ　キョウカイ
収録物名	ISIJ International
巻(号)	52(5)
ページ	858-862
刊行年月	2012
言語	英語
ハンドルURL	https://hdl.handle.net/11094/26384
PISSN	09151559
NCID	AA10680712
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.2355/isijinternational.52.858
アクセス権	open access
権利情報	© 2012 ISIJ
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	ISIJ International.52(5) p.858-p.862
DC.title	Effects of Porous Surface Layer on Lubrication Evaluated by Ring Compression Friction Test
DC.creator	Oyachi, Yukiya
	Utsunomiya, Hiroshi
	Sakai, Tetsuo
	Yoshikawa, Takeshi
	Tanaka, Toshihiro
DC.publisher	日本鉄鋼協会
	The Iron and Steel Institute of Japan
	ニホン　テッコウ　キョウカイ
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2012
DC.identifier	https://doi.org/10.2355/isijinternational.52.858
DC.subject	porous metal
	cold working
	lubrication
	oil pit
	tribology
	carbon steel
DCTERMS.abstract	Lubrication is an important parameter in cold working of steels. Metal soap on phosphate coating is the most commonly used lubrication system in industries at present, but the technique is less productive and environmentally hazardous. The authors proposed an alternative lubrication process which makes use of porous layer formed on the surface of the workpiece by oxidization and chemical reduction in the previous paper. The technique, due to the porous layer, enables to hold more liquid lubricant on the surface and consequently to decrease the friction. This research expands the range of application of this technique. The porous layer is applied to three types of steels containing different levels of carbon and its effects are analyzed under three lubrication conditions; unlubricated, machine oil and grease, by ring-compression test. Another important condition, compression speed is investigated by using two types of equipments, a hydraulic press (low speed) or a mechanical press (high speed). This study proves that the porous layer technique is applicable to a range of types of steels reducing the friction coefficient, and at the same time provides some insights to explain the mechanics of the technique. The lubrication effects are explained by the thickness of lubricant held at the interface between the die and the surface of workpiece.
DC.rights	© 2012 ISIJ
DC.format	application/pdf
citation_title	Effects of Porous Surface Layer on Lubrication Evaluated by Ring Compression Friction Test
citation_author	Oyachi, Yukiya
	Utsunomiya, Hiroshi
	Sakai, Tetsuo
	Yoshikawa, Takeshi
	Tanaka, Toshihiro
citation_publisher	日本鉄鋼協会
	The Iron and Steel Institute of Japan
	ニホン　テッコウ　キョウカイ
citation_language	英語
citation_date	2012
citation_journal_title	ISIJ International
citation_volume	52
citation_issue	5
citation_firstpage	858
citation_lastpage	862
citation_doi	https://doi.org/10.2355/isijinternational.52.858
citation_public_url	https://hdl.handle.net/11094/26384

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