SURFACE TREATMENT FOR STEEL MEMBER
PURPOSE:To regulate the whole surface of a nitride surface layer which is formed in the subsequent stage to a practically uniform height reduced in ruggedness by setting the surface roughness of an alloy steel member before the formation of a nitride surface layer at a value lower than the surface r...
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| creator | KANARI ITSUYO ISOBE TETSUO KUSHIDA MASAYO TABEI YUKIHIRO |
| description | PURPOSE:To regulate the whole surface of a nitride surface layer which is formed in the subsequent stage to a practically uniform height reduced in ruggedness by setting the surface roughness of an alloy steel member before the formation of a nitride surface layer at a value lower than the surface roughness at the time of working treatment by a mechanical means after the formation of the nitride surface layer. CONSTITUTION:Since the surface roughness at the time of first mechanical surface working is set at a value lower than that after the formation of a nitride surface layer, the height of the whole surface of the nitrogen compound layer can be practically uniformized. Accordingly, the polishing allowance of the nitride surface layer can be reduced at the time of subsequent polishing surface working and the occurrence of the small thickness part and the lost part at the surface layer can be prevented, and, as a result, the thickness as a whole can be uniformized and also increased. |
| format | Patent |
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CONSTITUTION:Since the surface roughness at the time of first mechanical surface working is set at a value lower than that after the formation of a nitride surface layer, the height of the whole surface of the nitrogen compound layer can be practically uniformized. Accordingly, the polishing allowance of the nitride surface layer can be reduced at the time of subsequent polishing surface working and the occurrence of the small thickness part and the lost part at the surface layer can be prevented, and, as a result, the thickness as a whole can be uniformized and also increased.</description><language>eng</language><subject>CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>1991</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19911216&DB=EPODOC&CC=JP&NR=H03285060A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19911216&DB=EPODOC&CC=JP&NR=H03285060A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KANARI ITSUYO</creatorcontrib><creatorcontrib>ISOBE TETSUO</creatorcontrib><creatorcontrib>KUSHIDA MASAYO</creatorcontrib><creatorcontrib>TABEI YUKIHIRO</creatorcontrib><title>SURFACE TREATMENT FOR STEEL MEMBER</title><description>PURPOSE:To regulate the whole surface of a nitride surface layer which is formed in the subsequent stage to a practically uniform height reduced in ruggedness by setting the surface roughness of an alloy steel member before the formation of a nitride surface layer at a value lower than the surface roughness at the time of working treatment by a mechanical means after the formation of the nitride surface layer. CONSTITUTION:Since the surface roughness at the time of first mechanical surface working is set at a value lower than that after the formation of a nitride surface layer, the height of the whole surface of the nitrogen compound layer can be practically uniformized. 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CONSTITUTION:Since the surface roughness at the time of first mechanical surface working is set at a value lower than that after the formation of a nitride surface layer, the height of the whole surface of the nitrogen compound layer can be practically uniformized. Accordingly, the polishing allowance of the nitride surface layer can be reduced at the time of subsequent polishing surface working and the occurrence of the small thickness part and the lost part at the surface layer can be prevented, and, as a result, the thickness as a whole can be uniformized and also increased.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | SURFACE TREATMENT FOR STEEL MEMBER |
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