Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel

Galling and wear have been a tribology problem in sheet metal forming of stainless steel. Although lubrication oil with chlorinated extreme pressure (EP) additives have been used, environmental and safety issues have demanded not to use chlorinated EP additives. For developing chloride-free oil for...

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Autores principales:	Tomohiro TAKAKI, Kazuhiko KITAMURA, Junichi SHIBATA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2018
Materias:	forming stainless steel lubrication oil chloride-free oil Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/788f6e52822346b989f6330016cc1384
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spelling	oai:doaj.org-article:788f6e52822346b989f6330016cc13842021-11-26T07:16:02ZDevelopment of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel2187-974510.1299/mej.17-00449https://doaj.org/article/788f6e52822346b989f6330016cc13842018-01-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/5/2/5_17-00449/_pdf/-char/enhttps://doaj.org/toc/2187-9745Galling and wear have been a tribology problem in sheet metal forming of stainless steel. Although lubrication oil with chlorinated extreme pressure (EP) additives have been used, environmental and safety issues have demanded not to use chlorinated EP additives. For developing chloride-free oil for cold ironing of stainless steels, some commercial sulfur-based EP additives were evaluated by a cup internal ironing test. Moreover, the superior sulfur-based EP additive was combined with calcium- and zinc-base type additives in order to improve anti-galling performance. The mixture oil, as shown the high performance in the cup internal ironing test, successively passed a 10,000 shots practical process with severe ironing of stainless steel. After the 10,000 shots, it was found that no galling was observed on these 10,000 products. Based on the X-ray photoelectron spectroscopy (XPS) results, sulfide and calcium carbonate were formed on the surface of the products. This lubricating film seems to prevent galling in the practical process. The developed oil is an example of a chloride-free oil to replace the conventional chloride-containing oil.Tomohiro TAKAKIKazuhiko KITAMURAJunichi SHIBATAThe Japan Society of Mechanical Engineersarticleformingstainless steellubrication oilchloride-free oilMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 5, Iss 2, Pp 17-00449-17-00449 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	forming stainless steel lubrication oil chloride-free oil Mechanical engineering and machinery TJ1-1570
spellingShingle	forming stainless steel lubrication oil chloride-free oil Mechanical engineering and machinery TJ1-1570 Tomohiro TAKAKI Kazuhiko KITAMURA Junichi SHIBATA Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
description	Galling and wear have been a tribology problem in sheet metal forming of stainless steel. Although lubrication oil with chlorinated extreme pressure (EP) additives have been used, environmental and safety issues have demanded not to use chlorinated EP additives. For developing chloride-free oil for cold ironing of stainless steels, some commercial sulfur-based EP additives were evaluated by a cup internal ironing test. Moreover, the superior sulfur-based EP additive was combined with calcium- and zinc-base type additives in order to improve anti-galling performance. The mixture oil, as shown the high performance in the cup internal ironing test, successively passed a 10,000 shots practical process with severe ironing of stainless steel. After the 10,000 shots, it was found that no galling was observed on these 10,000 products. Based on the X-ray photoelectron spectroscopy (XPS) results, sulfide and calcium carbonate were formed on the surface of the products. This lubricating film seems to prevent galling in the practical process. The developed oil is an example of a chloride-free oil to replace the conventional chloride-containing oil.
format	article
author	Tomohiro TAKAKI Kazuhiko KITAMURA Junichi SHIBATA
author_facet	Tomohiro TAKAKI Kazuhiko KITAMURA Junichi SHIBATA
author_sort	Tomohiro TAKAKI
title	Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
title_short	Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
title_full	Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
title_fullStr	Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
title_full_unstemmed	Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel
title_sort	development of chloride-free oil with sulfur-based ep additive for cold forming of stainless steel
publisher	The Japan Society of Mechanical Engineers
publishDate	2018
url	https://doaj.org/article/788f6e52822346b989f6330016cc1384
work_keys_str_mv	AT tomohirotakaki developmentofchloridefreeoilwithsulfurbasedepadditiveforcoldformingofstainlesssteel AT kazuhikokitamura developmentofchloridefreeoilwithsulfurbasedepadditiveforcoldformingofstainlesssteel AT junichishibata developmentofchloridefreeoilwithsulfurbasedepadditiveforcoldformingofstainlesssteel
_version_	1718409728085721088

Development of chloride-free oil with sulfur-based EP additive for cold forming of stainless steel

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