Anode protection method and application thereof
The invention relates to an anode protection method and an application thereof. The method comprises the following steps: during plating, externally applying voltage to a stainless steel slot, and applying anode current; controlling the anode current to 1-10mA/dm in terms of the slot wall area; taki...
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| creator | WANG JIAN ZHANG JIAN HOU MANLU ZHANG GUOQUAN |
| description | The invention relates to an anode protection method and an application thereof. The method comprises the following steps: during plating, externally applying voltage to a stainless steel slot, and applying anode current; controlling the anode current to 1-10mA/dm in terms of the slot wall area; taking a nickel rod or a nickel wire as a cathode; enabling a plating slot to be in an electrochemical passivation state within a range of 10-50mm close to the stainless steel slot wall; and during plating, enabling a plating piece to be not in contact with an anode or the cathode, wherein a distance between the plating piece and the cathode is greater than or equal to 2cm. According to the anode protection method, voltage is externally applied, so that the stainless steel slot wall enters the passivation state, thereby effectively prolonging service cycle of a bath solution, reducing work of cleaning the slot wall with nitric acid, namely material consumption, and greatly facilitating chemical nickel-plating production efficiency. |
| format | Patent |
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The method comprises the following steps: during plating, externally applying voltage to a stainless steel slot, and applying anode current; controlling the anode current to 1-10mA/dm in terms of the slot wall area; taking a nickel rod or a nickel wire as a cathode; enabling a plating slot to be in an electrochemical passivation state within a range of 10-50mm close to the stainless steel slot wall; and during plating, enabling a plating piece to be not in contact with an anode or the cathode, wherein a distance between the plating piece and the cathode is greater than or equal to 2cm. According to the anode protection method, voltage is externally applied, so that the stainless steel slot wall enters the passivation state, thereby effectively prolonging service cycle of a bath solution, reducing work of cleaning the slot wall with nitric acid, namely material consumption, and greatly facilitating chemical nickel-plating production efficiency.</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>2015</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=20151209&DB=EPODOC&CC=CN&NR=105132894A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20151209&DB=EPODOC&CC=CN&NR=105132894A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG JIAN</creatorcontrib><creatorcontrib>ZHANG JIAN</creatorcontrib><creatorcontrib>HOU MANLU</creatorcontrib><creatorcontrib>ZHANG GUOQUAN</creatorcontrib><title>Anode protection method and application thereof</title><description>The invention relates to an anode protection method and an application thereof. The method comprises the following steps: during plating, externally applying voltage to a stainless steel slot, and applying anode current; controlling the anode current to 1-10mA/dm in terms of the slot wall area; taking a nickel rod or a nickel wire as a cathode; enabling a plating slot to be in an electrochemical passivation state within a range of 10-50mm close to the stainless steel slot wall; and during plating, enabling a plating piece to be not in contact with an anode or the cathode, wherein a distance between the plating piece and the cathode is greater than or equal to 2cm. 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The method comprises the following steps: during plating, externally applying voltage to a stainless steel slot, and applying anode current; controlling the anode current to 1-10mA/dm in terms of the slot wall area; taking a nickel rod or a nickel wire as a cathode; enabling a plating slot to be in an electrochemical passivation state within a range of 10-50mm close to the stainless steel slot wall; and during plating, enabling a plating piece to be not in contact with an anode or the cathode, wherein a distance between the plating piece and the cathode is greater than or equal to 2cm. According to the anode protection method, voltage is externally applied, so that the stainless steel slot wall enters the passivation state, thereby effectively prolonging service cycle of a bath solution, reducing work of cleaning the slot wall with nitric acid, namely material consumption, and greatly facilitating chemical nickel-plating production efficiency.</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 | Anode protection method and application thereof |
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