CN107058996A - A kind of stainless steel surfaces deactivating process for the treatment of - Google Patents

A kind of stainless steel surfaces deactivating process for the treatment of Download PDF

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Publication number
CN107058996A
CN107058996A CN201611165621.0A CN201611165621A CN107058996A CN 107058996 A CN107058996 A CN 107058996A CN 201611165621 A CN201611165621 A CN 201611165621A CN 107058996 A CN107058996 A CN 107058996A
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stainless steel
treatment
steel substrate
pickling
steel surfaces
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CN201611165621.0A
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Chinese (zh)
Inventor
洪功正
潘永刚
蔡永波
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Anhui Bao Heng New Mstar Technology Ltd
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Anhui Bao Heng New Mstar Technology Ltd
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Priority to CN201611165621.0A priority Critical patent/CN107058996A/en
Publication of CN107058996A publication Critical patent/CN107058996A/en
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    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/73Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • C23C22/40Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
    • C23C22/42Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also phosphates
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/78Pretreatment of the material to be coated
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2222/00Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/20Use of solutions containing silanes

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  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The invention belongs to field of metal surface treatment technology, and in particular to a kind of stainless steel surfaces deactivating process for the treatment of, including surface degreasing, cleaning, first time pickling, second of pickling, sided corona treatment, Passivation Treatment.Step in the present invention(1)The removing of the iron rust, weldering spot, greasy dirt, black and the oxide yellow skin that are produced during can quickly shaping, assemble, welding etc. simultaneously will not produce corrosion to stainless steel substrate inside, ensure the quality of stainless steel substrate;One layer of uniform, the fine and close passivating film of stainless steel surfaces formation handled by passivation technology of the present invention, the reachable+1.1V of current potential of passivating film, close to the current potential of noble metal, improves erosion-resisting stability.

Description

A kind of stainless steel surfaces deactivating process for the treatment of
Technical field
The invention belongs to field of metal surface treatment technology, and in particular to a kind of stainless steel surfaces deactivating process for the treatment of.
Background technology
Stainless steel has hardness high, good, the good corrosion resistance of wearability, the characteristic such as excellent outward appearance and long lifespan, extensively General to be applied to the industries such as building, auto industry, shipbuilding industry, marine device, plant equipment and chemical device, domestic at present is stainless When steel surface treatment industry is passivated processing, typically zinc coat is carried out frequently with the chromatedsolution of high concentration or middle concentration Passivation, to improve the corrosion resisting property of coating.But chromate is extremely toxic, it can produce hexavalent chromium polluted to the healthy of environment and people Cause serious injury.Therefore, the use of chromic acid is restricted, and people find its substitute one after another now, on the one hand to meet ring Guaranteed request, more importantly, can reach the performance using chromic acid passivation, also, existing passivation for stainless steel handling process The stainless steel formation of processing passivating film decay resistance is high, film forming speed slow, passivation layer is easy to fall off, it is impossible to meet market The demand of a little occasions.
The content of the invention
The purpose of the present invention is that there is provided a kind of stainless steel surfaces deactivating process for the treatment of the problem of being directed to existing.
The present invention is achieved by the following technical solutions:A kind of stainless steel surfaces deactivating process for the treatment of, including following step Suddenly:
(1)Surface degreasing:Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight:Sodium carbonate 3.2, isomery 13 Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate 0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100;
(2)Cleaning:Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried;
(3)First time pickling:Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters Wash, surface is dried naturally;
(4)Second of pickling:By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5% Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally;
(5)Sided corona treatment:Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20% 18min is handled in the lower corona field in border;
(6)Passivation Treatment:The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min;During passivation, stainless steel with it is blunt The temperature difference of 10 DEG C of formation, can greatly accelerate film forming speed between change liquid, and passivation film potential can be promoted to shuffle.
Further, step(1)Described in cyclodextrin be beta-schardinger dextrin.
Further, step(5)Described in corona field field strength be 320kv/m.
Further, step(6)Described in passivating solution be made up by weight of following component:Molybdate 12-16, phosphorus Sour 9-12, sulfamic acid 1.4-1.8, dimethylsilane 1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer thin,tough silk Mica 0.6-0.8, APES 0.1-0.3, deionized water 90-100.
The present invention has advantages below compared with prior art:Step in the present invention(1)It can quickly shape, assemble, weld The removing of the iron rust, weldering spot, greasy dirt, black and the oxide yellow skin that are produced during connecing etc. will not simultaneously be produced to stainless steel substrate inside Raw corrosion, has ensured the quality of stainless steel substrate;One layer of stainless steel surfaces formation being handled by passivation technology of the present invention is uniform, Fine and close passivating film, the reachable+1.1V of current potential of passivating film, close to the current potential of noble metal, improves erosion-resisting stability, no Rust property is greatly improved, and significantly improves the corrosion resistance of galvanized steel plain sheet, through salt spray test, the rust time reaches 360 hours More than, the effect of the existing technique containing chromium passivating is superior in outward appearance and aspect of performance, and the inventive method can be carried greatly Stainless steel surfaces are ornamental after height passivation, effectively improve the corrosion resistance of stainless steel surfaces, improve the anti-finger line of stainless steel surfaces dirty The performance of dye.
Embodiment
Embodiment 1
A kind of stainless steel surfaces deactivating process for the treatment of, comprises the following steps:
(1)Surface degreasing:Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight:Sodium carbonate 3.2, isomery 13 Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate 0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100;
(2)Cleaning:Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried;
(3)First time pickling:Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters Wash, surface is dried naturally;
(4)Second of pickling:By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5% Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally;
(5)Sided corona treatment:Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20% 18min is handled in the lower corona field in border;
(6)Passivation Treatment:The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min.
Step(1)Described in cyclodextrin be beta-schardinger dextrin.
Step(5)Described in corona field field strength be 320kv/m.
Step(6)Described in passivating solution be made up by weight of following component:Molybdate 12-16, phosphatase 79-12, ammonia Base sulfonic acid 1.4-1.8, dimethylsilane 1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer sericite 0.6- 0.8th, APES 0.1-0.3, deionized water 90-100.
Result of the test:
According to examination criteria:GB/T 10125-1997 and design requirement, by salt spray test method, mean time is a length of:364 is small When;Wherein, spray chamber's temperature:35 DEG C, sodium chloride solution specification:50g/L, atomisation pressure:0.05Mpa, and common chromic acid passivation A length of 350 hours of the stainless steel salt spray test mean time of PROCESS FOR TREATMENT, when omitted in the inventive method washed at the second hypo acid when, place A length of 320 hours of the stainless steel salt spray test mean time of reason, when omitting sided corona treatment in the inventive method, the stainless steel of processing A length of 312 hours of salt spray test mean time.

Claims (4)

1. a kind of stainless steel surfaces deactivating process for the treatment of, it is characterised in that comprise the following steps:
(1)Surface degreasing:Stainless steel substrate is put into oil removal treatment liquid, under the conditions of 60 DEG C, 2min is soaked, then using super Sonication 15s, you can, wherein the oil removal treatment liquid is made up of following component by weight:Sodium carbonate 3.2, isomery 13 Alcohol APEO 0.8, sodium citrate 1.0, lauryl sodium sulfate 0.5, AEO 0.6, sodium gluconate 0.2nd, cyclodextrin 0.8, calcium lignosulfonate 0.1, deionized water 100;
(2)Cleaning:Cleaning 2min is carried out to stainless steel substrate using 98 DEG C of deionized waters, then natural cooling is air-dried;
(3)First time pickling:Stainless steel substrate is put into during the mass concentration that temperature is 40 DEG C is 1.25% sulfamic acid solution Pickling 4min, then places into pickling 1min in the formic acid solution that mass concentration is 0.1%, then clear using 40 DEG C of deionized waters Wash, surface is dried naturally;
(4)Second of pickling:By stainless steel substrate respectively in the suberic acid solution that mass concentration is 0.1%, 0.5%, 1.0%, 1.5% Middle immersion treatment, each soak time is 60s, and finally using 40 DEG C of deionized water cleanings, surface is dried naturally;
(5)Sided corona treatment:Stainless steel substrate after above-mentioned processing is placed on the ring that temperature is 38 DEG C, relative air humidity is 20% 18min is handled in the lower corona field in border;
(6)Passivation Treatment:The stainless steel substrate of above-mentioned processing is preheated into 15min at 55 DEG C, passivating solution 45 DEG C are heated to, so Stainless steel is put into the stainless steel surfaces passivating solution at 45 DEG C afterwards, 52s is passivated, you can, after the completion of passivation, using 40 DEG C Deionized water is cleaned, and is carried out in drying chamber, and drying temperature is 120 DEG C, and drying time is 15min.
2. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step(1)Described in ring paste Essence is beta-schardinger dextrin.
3. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step(5)Described in electricity Field strength of having stage fright is 320kv/m.
4. a kind of stainless steel surfaces deactivating process for the treatment of as claimed in claim 1, it is characterised in that step(6)Described in it is blunt Change liquid to be made up of following component by weight:Molybdate 12-16, phosphatase 79-12, sulfamic acid 1.4-1.8, dimethylsilane 1.2-1.5, ribonucleoside triphosphote 1.3-1.6, isopropanol 8-10, nanometer sericite 0.6-0.8, APES 0.1- 0.3rd, deionized water 90-100.
CN201611165621.0A 2016-12-16 2016-12-16 A kind of stainless steel surfaces deactivating process for the treatment of Pending CN107058996A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107871427A (en) * 2017-12-27 2018-04-03 清华大学 High-resolution oil stream line display device and display methods
CN107881494A (en) * 2017-11-22 2018-04-06 五河县绍峰电器有限公司 A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works
CN107937895A (en) * 2017-12-11 2018-04-20 当涂县宏宇金属炉料有限责任公司 A kind of stainless steel processing method with good abrasion resistance
CN108385098A (en) * 2018-05-09 2018-08-10 广州斯特福材料科技有限公司 Stainless steel environmentally friendly passivating solution and its application method
CN109402644A (en) * 2018-12-03 2019-03-01 巢湖鹏远金属焊管有限公司 A kind of degreased cleaning agent for metallic conduit
CN110195223A (en) * 2019-06-27 2019-09-03 曲靖中铭科技有限公司 A kind of anticorrosive treatment process of 17-4PH material MIM product
CN110578149A (en) * 2018-06-10 2019-12-17 江苏君睿智能制造有限公司 Pickling unit before rolling of cold-rolled strip steel
US11414551B2 (en) 2019-12-17 2022-08-16 King Fahd University Of Petroleum And Minerals Graphene-cyclodextrin complex and its use in corrosion prevention

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CN103602968A (en) * 2013-09-22 2014-02-26 无锡阳工机械制造有限公司 Chromium-free galvanizing passivating solution
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CN104294296A (en) * 2014-09-17 2015-01-21 明光市锐创电气有限公司 Cleaning agent used in production of preformed armor rods and production method of cleaning agent
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CN105349932A (en) * 2015-12-10 2016-02-24 苏州市嘉明机械制造有限公司 Manufacturing method for insulated mirror boards based on plasma spraying process
CN105400609A (en) * 2015-11-24 2016-03-16 界首市华盛塑料机械有限公司 Cleaning agent of koji-making plant for preparing koji
CN105970207A (en) * 2016-05-30 2016-09-28 五河县黄淮粮油机械有限公司 Passivation rust-proof treatment process for surface of millstone of soybean flour machine

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CN104884671A (en) * 2012-12-26 2015-09-02 Posco公司 Surface-processing composition for galvanized steel sheet, surface processing method for galvanized steel sheet, and galvanized steel sheet
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107881494A (en) * 2017-11-22 2018-04-06 五河县绍峰电器有限公司 A kind of surface passivating treatment technique of textile hot-moisture retention test instrument metal works
CN107937895A (en) * 2017-12-11 2018-04-20 当涂县宏宇金属炉料有限责任公司 A kind of stainless steel processing method with good abrasion resistance
CN107871427A (en) * 2017-12-27 2018-04-03 清华大学 High-resolution oil stream line display device and display methods
CN108385098A (en) * 2018-05-09 2018-08-10 广州斯特福材料科技有限公司 Stainless steel environmentally friendly passivating solution and its application method
CN110578149A (en) * 2018-06-10 2019-12-17 江苏君睿智能制造有限公司 Pickling unit before rolling of cold-rolled strip steel
CN109402644A (en) * 2018-12-03 2019-03-01 巢湖鹏远金属焊管有限公司 A kind of degreased cleaning agent for metallic conduit
CN110195223A (en) * 2019-06-27 2019-09-03 曲靖中铭科技有限公司 A kind of anticorrosive treatment process of 17-4PH material MIM product
US11414551B2 (en) 2019-12-17 2022-08-16 King Fahd University Of Petroleum And Minerals Graphene-cyclodextrin complex and its use in corrosion prevention

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