CN109536941A - Az31b镁合金金黄色转化膜处理剂及az31b镁合金表面处理方法 - Google Patents
Az31b镁合金金黄色转化膜处理剂及az31b镁合金表面处理方法 Download PDFInfo
- Publication number
- CN109536941A CN109536941A CN201811223354.7A CN201811223354A CN109536941A CN 109536941 A CN109536941 A CN 109536941A CN 201811223354 A CN201811223354 A CN 201811223354A CN 109536941 A CN109536941 A CN 109536941A
- Authority
- CN
- China
- Prior art keywords
- magnesium alloy
- az31b
- conversion film
- golden yellow
- az31b magnesium
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 196
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 129
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 68
- 238000004381 surface treatment Methods 0.000 title claims abstract description 14
- 238000012545 processing Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 52
- 238000005238 degreasing Methods 0.000 claims description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000005554 pickling Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 17
- 238000005406 washing Methods 0.000 claims description 17
- 238000004061 bleaching Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 8
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 5
- 239000013527 degreasing agent Substances 0.000 claims description 5
- 238000005237 degreasing agent Methods 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 claims description 4
- PAJMKGZZBBTTOY-UHFFFAOYSA-N 2-[[2-hydroxy-1-(3-hydroxyoctyl)-2,3,3a,4,9,9a-hexahydro-1h-cyclopenta[g]naphthalen-5-yl]oxy]acetic acid Chemical compound C1=CC=C(OCC(O)=O)C2=C1CC1C(CCC(O)CCCCC)C(O)CC1C2 PAJMKGZZBBTTOY-UHFFFAOYSA-N 0.000 claims description 3
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 3
- XDBSEZHMWGHVIL-UHFFFAOYSA-M hydroxy(dioxo)vanadium Chemical class O[V](=O)=O XDBSEZHMWGHVIL-UHFFFAOYSA-M 0.000 claims description 3
- LCRMGUFGEDUSOG-UHFFFAOYSA-N naphthalen-1-ylsulfonyloxymethyl naphthalene-1-sulfonate;sodium Chemical compound [Na].C1=CC=C2C(S(=O)(OCOS(=O)(=O)C=3C4=CC=CC=C4C=CC=3)=O)=CC=CC2=C1 LCRMGUFGEDUSOG-UHFFFAOYSA-N 0.000 claims description 3
- OFSGLWDPPRJBSM-UHFFFAOYSA-N S(=O)(=O)(O)O.C(C)C(CCCCC)([Na])CC Chemical compound S(=O)(=O)(O)O.C(C)C(CCCCC)([Na])CC OFSGLWDPPRJBSM-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 abstract description 40
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 32
- 238000005260 corrosion Methods 0.000 abstract description 32
- 230000007797 corrosion Effects 0.000 abstract description 32
- 239000000853 adhesive Substances 0.000 abstract description 16
- 230000001070 adhesive effect Effects 0.000 abstract description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 12
- 229910052804 chromium Inorganic materials 0.000 abstract description 12
- 239000011651 chromium Substances 0.000 abstract description 12
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000007613 environmental effect Effects 0.000 abstract description 10
- ALTWGIIQPLQAAM-UHFFFAOYSA-N metavanadate Chemical compound [O-][V](=O)=O ALTWGIIQPLQAAM-UHFFFAOYSA-N 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 9
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract description 9
- 239000012286 potassium permanganate Substances 0.000 abstract description 9
- 239000011574 phosphorus Substances 0.000 abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 22
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 12
- 239000000395 magnesium oxide Substances 0.000 description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- -1 K12 anion Chemical class 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 235000019795 sodium metasilicate Nutrition 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 235000019832 sodium triphosphate Nutrition 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 235000009754 Vitis X bourquina Nutrition 0.000 description 1
- 235000012333 Vitis X labruscana Nutrition 0.000 description 1
- 240000006365 Vitis vinifera Species 0.000 description 1
- 235000014787 Vitis vinifera Nutrition 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IDAGXRIGDWCIET-SDFKWCIISA-L disodium;(2s,3s,4s,5r)-2,3,4,5-tetrahydroxyhexanedioate Chemical compound [Na+].[Na+].[O-]C(=O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O IDAGXRIGDWCIET-SDFKWCIISA-L 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000019387 fatty acid methyl ester Nutrition 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 210000004884 grey matter Anatomy 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000403 monosodium phosphate Inorganic materials 0.000 description 1
- 235000019799 monosodium phosphate Nutrition 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- COEZWFYORILMOM-UHFFFAOYSA-M sodium 4-[(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate Chemical compound [Na+].OC1=CC(O)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 COEZWFYORILMOM-UHFFFAOYSA-M 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- UEUXEKPTXMALOB-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O UEUXEKPTXMALOB-UHFFFAOYSA-J 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING 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
- C23C—COATING 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
- C23C22/00—Chemical 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
- C23C22/05—Chemical 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
- C23C22/06—Chemical 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
- C23C22/48—Chemical 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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/57—Treatment of magnesium or alloys based thereon
Landscapes
- 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)
Abstract
Description
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223354.7A CN109536941B (zh) | 2018-10-19 | 2018-10-19 | Az31b镁合金金黄色转化膜处理剂及az31b镁合金表面处理方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223354.7A CN109536941B (zh) | 2018-10-19 | 2018-10-19 | Az31b镁合金金黄色转化膜处理剂及az31b镁合金表面处理方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109536941A true CN109536941A (zh) | 2019-03-29 |
| CN109536941B CN109536941B (zh) | 2020-12-18 |
Family
ID=65844682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223354.7A Active CN109536941B (zh) | 2018-10-19 | 2018-10-19 | Az31b镁合金金黄色转化膜处理剂及az31b镁合金表面处理方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109536941B (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684970A (zh) * | 2019-09-26 | 2020-01-14 | 博罗县东明化工有限公司 | 镁合金转化膜的处理方法及转化剂 |
| CN116121742A (zh) * | 2022-12-12 | 2023-05-16 | 广东东明新材科技有限公司 | 耐腐蚀镁合金无铬封闭剂及封闭处理方法 |
| CN116240535A (zh) * | 2022-12-13 | 2023-06-09 | 广东东明新材科技有限公司 | 镁合金钛铝钨皮膜处理剂、制备方法以及镁合金表面处理方法 |
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| JP2010090407A (ja) * | 2008-10-03 | 2010-04-22 | Nippon Parkerizing Co Ltd | 金属表面処理液、および金属表面処理方法 |
| CN102191493A (zh) * | 2010-03-17 | 2011-09-21 | 中国科学院金属研究所 | 镁合金无铬转化膜的成膜溶液和用其制备转化膜的方法 |
| CN102702819A (zh) * | 2005-08-26 | 2012-10-03 | Ppg工业俄亥俄公司 | 具有抗腐蚀性的涂料组合物及相关涂覆基材和方法 |
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| CN106048580A (zh) * | 2016-07-05 | 2016-10-26 | 博罗县东明化工有限公司 | 用于压铸铝合金的锆‑锰‑钒钝化膜处理剂及其处理方法 |
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| CN107603297A (zh) * | 2017-09-20 | 2018-01-19 | 安徽喜宝高分子材料有限公司 | 一种耐高温防腐漆 |
| CN108018544A (zh) * | 2017-12-01 | 2018-05-11 | 博罗县东明化工有限公司 | 镁合金稀土转化膜处理剂及其处理方法 |
-
2018
- 2018-10-19 CN CN201811223354.7A patent/CN109536941B/zh active Active
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| CN102702819A (zh) * | 2005-08-26 | 2012-10-03 | Ppg工业俄亥俄公司 | 具有抗腐蚀性的涂料组合物及相关涂覆基材和方法 |
| JP2010090407A (ja) * | 2008-10-03 | 2010-04-22 | Nippon Parkerizing Co Ltd | 金属表面処理液、および金属表面処理方法 |
| CN102191493A (zh) * | 2010-03-17 | 2011-09-21 | 中国科学院金属研究所 | 镁合金无铬转化膜的成膜溶液和用其制备转化膜的方法 |
| CN103114181A (zh) * | 2013-01-24 | 2013-05-22 | 广东盈泉钢制品有限公司 | 一种取向硅钢隔离涂层的涂料配方 |
| CN105951076A (zh) * | 2016-05-25 | 2016-09-21 | 博罗县东明化工有限公司 | 镁合金Zr-Ga-V转化膜处理剂及镁合金Zr-Ga-V转化膜处理方法 |
| CN106048580A (zh) * | 2016-07-05 | 2016-10-26 | 博罗县东明化工有限公司 | 用于压铸铝合金的锆‑锰‑钒钝化膜处理剂及其处理方法 |
| CN106350794A (zh) * | 2016-11-11 | 2017-01-25 | 北京星航机电装备有限公司 | 一种镁合金无铬无氟化学转化膜成膜溶液及膜层制备方法 |
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| CN108018544A (zh) * | 2017-12-01 | 2018-05-11 | 博罗县东明化工有限公司 | 镁合金稀土转化膜处理剂及其处理方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110684970A (zh) * | 2019-09-26 | 2020-01-14 | 博罗县东明化工有限公司 | 镁合金转化膜的处理方法及转化剂 |
| CN116121742A (zh) * | 2022-12-12 | 2023-05-16 | 广东东明新材科技有限公司 | 耐腐蚀镁合金无铬封闭剂及封闭处理方法 |
| CN116240535A (zh) * | 2022-12-13 | 2023-06-09 | 广东东明新材科技有限公司 | 镁合金钛铝钨皮膜处理剂、制备方法以及镁合金表面处理方法 |
| CN116240535B (zh) * | 2022-12-13 | 2024-10-29 | 广东东明新材科技有限公司 | 镁合金钛铝钨皮膜处理剂、制备方法以及镁合金表面处理方法 |
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| Publication number | Publication date |
|---|---|
| CN109536941B (zh) | 2020-12-18 |
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