Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces

Scale-like dirt (ion deposit) occurs on glass surfaces of buses and trains after rain or vehicle washing, as various ionic substances are in the rain and tap water. Ion deposits blur the glass, leading to degraded passenger service. Removal of ion deposits is not possible with a general cleaner. The...

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Main Authors: Htay Win, Yukio Hayakawa, Ukiya Komori, Yusuke Yamada, Makoto Kanazawa, Shinji Kambara
Format: Article
Language:English
Published: Society of Automotive Engineers of Japan, Inc. 2020-04-01
Series:International Journal of Automotive Engineering
Online Access:https://www.jstage.jst.go.jp/article/jsaeijae/11/2/11_20204290/_article/-char/ja
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author Htay Win
Yukio Hayakawa
Ukiya Komori
Yusuke Yamada
Makoto Kanazawa
Shinji Kambara
author_facet Htay Win
Yukio Hayakawa
Ukiya Komori
Yusuke Yamada
Makoto Kanazawa
Shinji Kambara
author_sort Htay Win
collection DOAJ
description Scale-like dirt (ion deposit) occurs on glass surfaces of buses and trains after rain or vehicle washing, as various ionic substances are in the rain and tap water. Ion deposits blur the glass, leading to degraded passenger service. Removal of ion deposits is not possible with a general cleaner. The formation behaviour of ion deposits was examined in order to develop a quick cleaning method of glass surfaces of vehicles. Ion deposits form due to silicon ions in the water. Ion deposits and glass surfaces have strong adhesion. Analysis of laser Raman spectroscopy revealed that ion deposits are mainly composed of silicon and are almost the same compound as glass. Ion deposits could be removed with a low concentration of hydrofluoric acid, and it was possible to remove about 1 mg of ion deposit by using 1 mL of 0.5% hydrofluoric acid.
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spelling doaj.art-7ac94faff34142ae8e3eaa4295f500082024-01-12T08:42:00ZengSociety of Automotive Engineers of Japan, Inc.International Journal of Automotive Engineering2185-09922020-04-01112576310.20485/jsaeijae.11.2_57Formation and Removal of Silicon Ion Deposits on Glass and Metal SurfacesHtay Win0Yukio Hayakawa1Ukiya Komori2Yusuke Yamada3Makoto Kanazawa4Shinji Kambara5Environmental and Renewable Energy Systems DivisionEnvironmental and Renewable Energy Systems DivisionEnvironmental and Renewable Energy Systems DivisionEnvironmental and Renewable Energy Systems DivisionDepartment of Chemistry and Biomolecular ScienceEnvironmental and Renewable Energy Systems DivisionScale-like dirt (ion deposit) occurs on glass surfaces of buses and trains after rain or vehicle washing, as various ionic substances are in the rain and tap water. Ion deposits blur the glass, leading to degraded passenger service. Removal of ion deposits is not possible with a general cleaner. The formation behaviour of ion deposits was examined in order to develop a quick cleaning method of glass surfaces of vehicles. Ion deposits form due to silicon ions in the water. Ion deposits and glass surfaces have strong adhesion. Analysis of laser Raman spectroscopy revealed that ion deposits are mainly composed of silicon and are almost the same compound as glass. Ion deposits could be removed with a low concentration of hydrofluoric acid, and it was possible to remove about 1 mg of ion deposit by using 1 mL of 0.5% hydrofluoric acid.https://www.jstage.jst.go.jp/article/jsaeijae/11/2/11_20204290/_article/-char/ja
spellingShingle Htay Win
Yukio Hayakawa
Ukiya Komori
Yusuke Yamada
Makoto Kanazawa
Shinji Kambara
Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
International Journal of Automotive Engineering
title Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
title_full Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
title_fullStr Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
title_full_unstemmed Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
title_short Formation and Removal of Silicon Ion Deposits on Glass and Metal Surfaces
title_sort formation and removal of silicon ion deposits on glass and metal surfaces
url https://www.jstage.jst.go.jp/article/jsaeijae/11/2/11_20204290/_article/-char/ja
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AT ukiyakomori formationandremovalofsiliconiondepositsonglassandmetalsurfaces
AT yusukeyamada formationandremovalofsiliconiondepositsonglassandmetalsurfaces
AT makotokanazawa formationandremovalofsiliconiondepositsonglassandmetalsurfaces
AT shinjikambara formationandremovalofsiliconiondepositsonglassandmetalsurfaces