APPARATUS FOR PREVENTING CORROSION OF STEEL STOCK
PURPOSE:To effectively exhibit corrosion preventing effect at damaging of film coated part without obstructing contamination preventing action at exposed metal part, by providing conductive layers of >= one layer at intermediate coated layer and conductive means between the conductive layer and a...
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| creator | UEDA KENJI HIBI TERUMI SAKANISHI AKIHIRO |
| description | PURPOSE:To effectively exhibit corrosion preventing effect at damaging of film coated part without obstructing contamination preventing action at exposed metal part, by providing conductive layers of >= one layer at intermediate coated layer and conductive means between the conductive layer and a steel stock. CONSTITUTION:If a part 9 of coating, e.g. electrical insulating layers 3, 5 and the conductive layer 4 is damaged by some reason when surfaces of a contamination preventive metal 2 such as Cu(alloy) nobler than steel and the layer 5 are brought into contact with and the steel stock 1 is brought into contact with a sea water 12, a corrosion current 10 flows in case the layer 4 is absent. But by providing the layer 4, a current 11 larger than the current 10 is generated along the course from a source 8 to a conductive wire 6 the layer 4 the stock 1 a conductive wire 7 through the layer 4 to suppress the current 10 and corrosion at damaged part is suppressed. Further, hard components Ca , Mg in the water 12 are deposited as CaCO3, Mg(OH)2 by the current 11 on the stock 1 surface of damaged part to repair the layer 3 and continuous flow of the current 11 is prevented. |
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CONSTITUTION:If a part 9 of coating, e.g. electrical insulating layers 3, 5 and the conductive layer 4 is damaged by some reason when surfaces of a contamination preventive metal 2 such as Cu(alloy) nobler than steel and the layer 5 are brought into contact with and the steel stock 1 is brought into contact with a sea water 12, a corrosion current 10 flows in case the layer 4 is absent. But by providing the layer 4, a current 11 larger than the current 10 is generated along the course from a source 8 to a conductive wire 6 the layer 4 the stock 1 a conductive wire 7 through the layer 4 to suppress the current 10 and corrosion at damaged part is suppressed. Further, hard components Ca , Mg<2+> in the water 12 are deposited as CaCO3, Mg(OH)2 by the current 11 on the stock 1 surface of damaged part to repair the layer 3 and continuous flow of the current 11 is prevented.</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 MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 ; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE</subject><creationdate>1987</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=19870424&DB=EPODOC&CC=JP&NR=S6289884A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19870424&DB=EPODOC&CC=JP&NR=S6289884A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>UEDA KENJI</creatorcontrib><creatorcontrib>HIBI TERUMI</creatorcontrib><creatorcontrib>SAKANISHI AKIHIRO</creatorcontrib><title>APPARATUS FOR PREVENTING CORROSION OF STEEL STOCK</title><description>PURPOSE:To effectively exhibit corrosion preventing effect at damaging of film coated part without obstructing contamination preventing action at exposed metal part, by providing conductive layers of >= one layer at intermediate coated layer and conductive means between the conductive layer and a steel stock. 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CONSTITUTION:If a part 9 of coating, e.g. electrical insulating layers 3, 5 and the conductive layer 4 is damaged by some reason when surfaces of a contamination preventive metal 2 such as Cu(alloy) nobler than steel and the layer 5 are brought into contact with and the steel stock 1 is brought into contact with a sea water 12, a corrosion current 10 flows in case the layer 4 is absent. But by providing the layer 4, a current 11 larger than the current 10 is generated along the course from a source 8 to a conductive wire 6 the layer 4 the stock 1 a conductive wire 7 through the layer 4 to suppress the current 10 and corrosion at damaged part is suppressed. Further, hard components Ca , Mg<2+> in the water 12 are deposited as CaCO3, Mg(OH)2 by the current 11 on the stock 1 surface of damaged part to repair the layer 3 and continuous flow of the current 11 is prevented.</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 MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE |
| title | APPARATUS FOR PREVENTING CORROSION OF STEEL STOCK |
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