RU2006116688A - METHOD FOR PASSIVATION OF COPPER AND COPPER ALLOYS - Google Patents

METHOD FOR PASSIVATION OF COPPER AND COPPER ALLOYS

Info

Publication number
RU2006116688A
RU2006116688A RU2006116688/02A RU2006116688A RU2006116688A RU 2006116688 A RU2006116688 A RU 2006116688A RU 2006116688/02 A RU2006116688/02 A RU 2006116688/02A RU 2006116688 A RU2006116688 A RU 2006116688A RU 2006116688 A RU2006116688 A RU 2006116688A
Authority
RU
Russia
Prior art keywords
copper
washing
passivation
coated surfaces
water
Prior art date
Application number
RU2006116688/02A
Other languages
Russian (ru)
Other versions
RU2318079C1 (en
Inventor
Светлана Сергеевна Симунова (RU)
Светлана Сергеевна Симунова
Надежда Ивановна Лапенкова (RU)
Надежда Ивановна Лапенкова
Юрий Яковлевич Лукомский (RU)
Юрий Яковлевич Лукомский
Original Assignee
Открытое акционерное общество "Научно-исследовательский институт Приборостроени им. В.В. Тихомирова" (RU)
Открытое акционерное общество "Научно-исследовательский институт приборостроения им. В.В. Тихомирова"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Открытое акционерное общество "Научно-исследовательский институт Приборостроени им. В.В. Тихомирова" (RU), Открытое акционерное общество "Научно-исследовательский институт приборостроения им. В.В. Тихомирова" filed Critical Открытое акционерное общество "Научно-исследовательский институт Приборостроени им. В.В. Тихомирова" (RU)
Priority to RU2006116688/02A priority Critical patent/RU2318079C1/en
Publication of RU2006116688A publication Critical patent/RU2006116688A/en
Application granted granted Critical
Publication of RU2318079C1 publication Critical patent/RU2318079C1/en

Links

Claims (1)

Способ пассивации меди и медных сплавов, основанный на обезжиривании покрываемых поверхностей, промывке в горячей проточной воде, промывке в холодной проточной воде, погружении при температуре (20±5)°С покрываемых поверхностей в раствор, содержащий ангидрид хромовый, кислоту серную, воду дистиллированную, промывке в холодной проточной воде, удалении капельной влаги, термообработке при температуре 80-100°С в течение 3-15 мин, отличающийся тем, что в раствор для погружения покрываемых поверхностей дополнительно вводят смесь азотной кислоты и воды в соотношении 3:3 и натрий хлористый при следующем соотношении компонентов, г/л:The method of passivation of copper and copper alloys, based on the degreasing of coated surfaces, washing in hot running water, washing in cold running water, immersion at a temperature of (20 ± 5) ° C of coated surfaces in a solution containing chromic anhydride, sulfuric acid, distilled water, washing in cold running water, removing droplet moisture, heat treatment at a temperature of 80-100 ° C for 3-15 minutes, characterized in that a mixture of nitric acid is additionally introduced into the solution for immersion of the coated surfaces and odes in a ratio of 3: 3 and sodium chloride in the following ratio of components, g / l: Ангидрид хромовыйChromic anhydride 145-150145-150 Кислота сернаяSulfuric acid 35-4035-40 Смесь азотной кислоты и воды 3:3A mixture of nitric acid and water 3: 3 25-30 мл/л,25-30 ml / l Натрий хлористыйSodium Chloride 8-108-10 Вода дистиллированнаяDistilled water до 1 лup to 1 l
и выдерживают в течение (1,7-2,3) мин.and incubated for (1.7-2.3) minutes
RU2006116688/02A 2006-05-15 2006-05-15 Method of passivation of the copper and the copper alloys RU2318079C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2006116688/02A RU2318079C1 (en) 2006-05-15 2006-05-15 Method of passivation of the copper and the copper alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2006116688/02A RU2318079C1 (en) 2006-05-15 2006-05-15 Method of passivation of the copper and the copper alloys

Publications (2)

Publication Number Publication Date
RU2006116688A true RU2006116688A (en) 2007-11-27
RU2318079C1 RU2318079C1 (en) 2008-02-27

Family

ID=38959970

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2006116688/02A RU2318079C1 (en) 2006-05-15 2006-05-15 Method of passivation of the copper and the copper alloys

Country Status (1)

Country Link
RU (1) RU2318079C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064006A (en) * 2020-09-23 2020-12-11 东莞长盈精密技术有限公司 Passivation method for copper piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112064006A (en) * 2020-09-23 2020-12-11 东莞长盈精密技术有限公司 Passivation method for copper piece

Also Published As

Publication number Publication date
RU2318079C1 (en) 2008-02-27

Similar Documents

Publication Publication Date Title
MY166580A (en) Heat exchanger and air-conditioning apparatus having the same
CN101697662B (en) High heat-resistance organic solder ability preservative
RU2006116688A (en) METHOD FOR PASSIVATION OF COPPER AND COPPER ALLOYS
CN105002542A (en) Aluminum or aluminum alloy surface nanoscale treatment process
CN106868490A (en) A kind of environmentally friendly stainless steel blackening process method
CA2605488A1 (en) A method of production of high strength hot dip galvannealed steel sheet
WO2019084987A1 (en) Titanium tube for tubular heat exchanger
CN1475450A (en) Environmental protection type scale preventing and removing agent
RU2009112088A (en) PROTECTIVE VARNISH COMPOSITION AND METHOD FOR PRODUCING PROTECTIVE COATING FOR COMPLEX PROFILED WAVEGUIDE DEVICES FROM COPPER-ZINC ALLOYS
CN104213130A (en) Cold-drawn steel pipe treating agent as well as preparation method and cold-drawn steel pipe treating method thereof
FR2873797B1 (en) METHOD FOR MANUFACTURING A HEAT EXCHANGER HAVING SURFACE TREATMENT, AND HEAT EXCHANGER THUS OBTAINED
RU2006120228A (en) METHOD FOR APPLICATION OF CONVERSION COATING ON PARTS FROM ALUMINUM AND ITS ALLOYS
CN109161897A (en) A kind of polishing agent and preparation method thereof for copper-titanium alloy
RU2003125243A (en) PROTECTIVE VARNISH COMPOSITION AND METHOD FOR PRODUCING PROTECTIVE COATING ON NICKEL, TIN AND ITS ALLOYS
CN212152440U (en) Environment-friendly treatment device for chromium-free passivation solution
WO2019084988A2 (en) Titanium pipe for condenser
RU2003117843A (en) PROTECTIVE VARNISH COMPOSITION AND METHOD FOR PRODUCING PROTECTIVE COATING FOR COMPLEX PROFILED WAVEGUIDE DEVICES FROM COPPER ALLOYS
RU2004128858A (en) METHOD OF ULTRASONIC CLEANING OF METAL PARTS
CN205843441U (en) A kind of removable coiled heat exchanger
RU2006131186A (en) COMPOSITION FOR PREVENTING SALINATION AND CORROSION
RU2243159C1 (en) Method of heat treatment of mother liquor
TW200846498A (en) Method for metal rust prevention
JPS58153098A (en) Manufacture of heat exchanging medium
JPH031945B2 (en)
CN106350801A (en) Magnetic drive pump stainless steel pump shell surface phosphorizing treatment agent

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20090516