RU2015126375A - SOLUTION OF ELECTROLYTE AND ELECTROCHEMICAL METHODS OF SURFACE MODIFICATION - Google Patents

SOLUTION OF ELECTROLYTE AND ELECTROCHEMICAL METHODS OF SURFACE MODIFICATION Download PDF

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RU2015126375A
RU2015126375A RU2015126375A RU2015126375A RU2015126375A RU 2015126375 A RU2015126375 A RU 2015126375A RU 2015126375 A RU2015126375 A RU 2015126375A RU 2015126375 A RU2015126375 A RU 2015126375A RU 2015126375 A RU2015126375 A RU 2015126375A
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Russia
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bath
equal
concentration
less
power source
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RU2015126375A
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Russian (ru)
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RU2631575C2 (en
Inventor
Джеймс Л. Класкуин
Томас Дж. Кристенсен
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МЕТКОН, ЭлЭлСи
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/08—Etching of refractory metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C25F3/22—Polishing of heavy metals
    • C25F3/26—Polishing of heavy metals of refractory metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F5/00—Electrolytic stripping of metallic layers or coatings
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/02—Etching
    • C25F3/04—Etching of light metals
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C25F3/18—Polishing of light metals

Claims (15)

1. Способ удаления водорода из заготовки из цветного металла, включающий стадии, на которых:1. A method of removing hydrogen from a non-ferrous metal billet, comprising the steps of: подвергают поверхность воздействию ванны с водным раствором электролита, включающим лимонную кислоту с концентрацией, меньшей или равной 982 г/л, и гидродифторид аммония с концентрацией, большей или равной 2 г/л, и имеющим не более чем 3,35 г/л сильной кислоты;exposing the surface to a bath with an aqueous electrolyte solution including citric acid with a concentration of less than or equal to 982 g / l and ammonium hydrodifluoride with a concentration of greater than or equal to 2 g / l and having no more than 3.35 g / l of strong acid ; подключают заготовку к аноду источника питания постоянного тока и погружают катод источника питания постоянного тока в ванну; иconnect the workpiece to the anode of the DC power source and immerse the cathode of the DC power source in the bath; and пропускают ток, меньший или равный 538 амперам на квадратный метр через ванну.pass current less than or equal to 538 amperes per square meter through the bath. 2. Способ по п. 1, причем пропускаемый через ванну ток меньше или равен 53,8 ампер на квадратный метр.2. The method according to claim 1, wherein the current passed through the bath is less than or equal to 53.8 amperes per square meter. 3. Способ по п. 1, причем концентрация лимонной кислоты составляет менее чем 60 г/л.3. The method according to claim 1, wherein the concentration of citric acid is less than 60 g / l. 4. Способ по п. 2, причем концентрация лимонной кислоты составляет менее чем 60 г/л.4. The method according to claim 2, wherein the concentration of citric acid is less than 60 g / l. 5. Способ по любому из пп. 1-4, причем концентрация гидродифторида аммония является большей или равной 60 г/л.5. The method according to any one of paragraphs. 1-4, and the concentration of ammonium hydrodifluoride is greater than or equal to 60 g / l. 6. Способ по любому из пп. 1-4, дополнительно включающий регулирование температуры ванны большей или равной 2 С.6. The method according to any one of paragraphs. 1-4, further comprising controlling the temperature of the bath greater than or equal to 2 C. 7. Способ по п. 5, дополнительно включающий регулирование температуры ванны большей или равной 2 С.7. The method according to p. 5, further comprising regulating the temperature of the bath greater than or equal to 2 C. 8. Способ удаления водорода из заготовки из цветного металла, включающий стадии, на которых:8. A method for removing hydrogen from a non-ferrous metal billet, comprising the steps of: подвергают поверхность воздействию ванны с водным раствором электролита, включающим лимонную кислоту с концентрацией, меньшей или равной 982 г/л, и гидродифторид аммония с концентрацией, большей или равной 2 г/л, и имеющим не более чем 3,35 г/л сильной кислоты;exposing the surface to a bath with an aqueous electrolyte solution including citric acid with a concentration of less than or equal to 982 g / l and ammonium hydrodifluoride with a concentration of greater than or equal to 2 g / l and having no more than 3.35 g / l of strong acid ; подключают заготовку к аноду источника питания постоянного тока и погружают катод источника питания постоянного тока в ванну; иconnect the workpiece to the anode of the DC power source and immerse the cathode of the DC power source in the bath; and пропускают через ванну ток; иcurrent is passed through the bath; and формируют кислородный барьер на поверхности, причем этот кислородный барьер является ответственным за удаление водорода из металла.form an oxygen barrier on the surface, and this oxygen barrier is responsible for the removal of hydrogen from the metal.
RU2015126375A 2010-11-22 2015-07-01 Electrolyte solution and electrochemical methods for surface modification RU2631575C2 (en)

Applications Claiming Priority (2)

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PCT/US2010/057687 WO2012071030A1 (en) 2010-11-22 2010-11-22 Electrolyte solution and electrochemical surface modification methods
USPCT/US2010/057687 2010-11-22

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US (1) US20120125787A1 (en)
JP (1) JP5913349B2 (en)
KR (3) KR20170043668A (en)
EA (2) EA036890B1 (en)
RU (2) RU2561549C2 (en)
UA (1) UA108138C2 (en)
WO (1) WO2012071030A1 (en)

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JP2013543060A (en) 2013-11-28
KR20170043668A (en) 2017-04-21
EA024812B1 (en) 2016-10-31
EA201501129A3 (en) 2016-08-31
JP5913349B2 (en) 2016-04-27
UA108138C2 (en) 2015-03-25
EA036890B1 (en) 2021-01-12
RU2631575C2 (en) 2017-09-25
WO2012071030A1 (en) 2012-05-31
KR20170138575A (en) 2017-12-15
KR20130126644A (en) 2013-11-20
EA201390753A1 (en) 2014-03-31
RU2561549C2 (en) 2015-08-27
US20120125787A1 (en) 2012-05-24
RU2013128610A (en) 2014-12-27
EA201501129A2 (en) 2016-04-29

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