JP6196064B2 - ステンレス鋼部品の不動態化処理方法 - Google Patents
ステンレス鋼部品の不動態化処理方法 Download PDFInfo
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- 229910001220 stainless steel Inorganic materials 0.000 title claims description 79
- 239000010935 stainless steel Substances 0.000 title claims description 74
- 238000000034 method Methods 0.000 title claims description 43
- 238000002161 passivation Methods 0.000 title claims description 28
- 239000007864 aqueous solution Substances 0.000 claims description 60
- 230000002378 acidificating effect Effects 0.000 claims description 55
- 229910052750 molybdenum Inorganic materials 0.000 claims description 41
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 40
- 239000011733 molybdenum Substances 0.000 claims description 40
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 34
- 239000005078 molybdenum compound Substances 0.000 claims description 25
- 150000002752 molybdenum compounds Chemical class 0.000 claims description 25
- 239000007800 oxidant agent Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 11
- 229910017604 nitric acid Inorganic materials 0.000 claims description 11
- 235000015393 sodium molybdate Nutrition 0.000 claims description 4
- 239000011684 sodium molybdate Substances 0.000 claims description 4
- TVXXNOYZHKPKGW-UHFFFAOYSA-N sodium molybdate (anhydrous) Chemical compound [Na+].[Na+].[O-][Mo]([O-])(=O)=O TVXXNOYZHKPKGW-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003672 processing method Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 94
- 238000005260 corrosion Methods 0.000 description 94
- 230000000052 comparative effect Effects 0.000 description 49
- 230000004580 weight loss Effects 0.000 description 21
- 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 18
- 239000011734 sodium Substances 0.000 description 18
- 229910052708 sodium Inorganic materials 0.000 description 18
- 239000000463 material Substances 0.000 description 14
- 238000011156 evaluation Methods 0.000 description 13
- -1 ammonium phosphomolybdate trihydrate Chemical class 0.000 description 11
- 238000007654 immersion Methods 0.000 description 11
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 10
- 239000011651 chromium Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 9
- 238000004544 sputter deposition Methods 0.000 description 9
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 7
- 238000005211 surface analysis Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 229910052804 chromium Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910000423 chromium oxide Inorganic materials 0.000 description 4
- 238000000921 elemental analysis Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 206010027146 Melanoderma Diseases 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QGAVSDVURUSLQK-UHFFFAOYSA-N ammonium heptamolybdate Chemical compound N.N.N.N.N.N.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.[Mo].[Mo].[Mo].[Mo].[Mo].[Mo].[Mo] QGAVSDVURUSLQK-UHFFFAOYSA-N 0.000 description 2
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- BIOOACNPATUQFW-UHFFFAOYSA-N calcium;dioxido(dioxo)molybdenum Chemical compound [Ca+2].[O-][Mo]([O-])(=O)=O BIOOACNPATUQFW-UHFFFAOYSA-N 0.000 description 2
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- NMHMDUCCVHOJQI-UHFFFAOYSA-N lithium molybdate Chemical compound [Li+].[Li+].[O-][Mo]([O-])(=O)=O NMHMDUCCVHOJQI-UHFFFAOYSA-N 0.000 description 2
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910017060 Fe Cr Inorganic materials 0.000 description 1
- 229910002544 Fe-Cr Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910017315 Mo—Cu Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910003286 Ni-Mn Inorganic materials 0.000 description 1
- 229910003296 Ni-Mo Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006388 chemical passivation reaction Methods 0.000 description 1
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001105 martensitic stainless steel Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- DHRLEVQXOMLTIM-UHFFFAOYSA-N phosphoric acid;trioxomolybdenum Chemical compound O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.OP(O)(O)=O DHRLEVQXOMLTIM-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Chemical & Material Sciences (AREA)
- Chemical Treatment Of Metals (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)
Description
試験片には、ステンレス鋼SUS304―HP(熱間圧延ステンレス鋼)で形成された矩形状の板材を用いた。試験片の寸法については、幅60mm、長さ100mm、板厚3.0mmとした。前処理として、試験片を酸洗処理して自然酸化皮膜を除去した。酸洗処理については、試験片を硝フッ酸溶液に1時間浸漬させた後に水洗して行った。硝フッ酸溶液には、ラスノンウエルM500−Fを使用した。
実施例1の試験片における不動態皮膜の形成方法について説明する。実施例1の酸性水溶液には、1質量%の過酸化水素を含む過酸化水素水に、リンモリブデン酸ナトリウムn水和物(n=63)を添加して混合攪拌し、5質量%のリンモリブデン酸ナトリウムn水和物(n=63)を含有する酸性水溶液を使用した。この酸性水溶液中に前処理した試験片を常温(20℃から30℃)で2時間浸漬させた後、水洗して不動態皮膜を形成した。
実施例1から3、比較例1から3及び酸洗処理をしていない未処理材(自然酸化皮膜を除去していないもの)の各試験片について耐孔食性を評価するため耐食性評価試験を行った。まず、耐食性評価試験方法について説明する。耐食性評価試験については、JIS G 0578−2000のステンレス鋼の塩化第二鉄腐食試験方法に準拠して行った。具体的には、各試験片を50℃、0.2mol/L塩酸酸性の20wt%塩化第二鉄溶液に浸漬させて、各試験片の浸漬時間に対する重量変化を測定した。
次に、この耐食性評価試験結果の理由について検討するために、実施例1及び比較例1の各試験片における耐食性評価試験前の不動態皮膜の表面分析を行った。表面分析については、X線光電子分光分析法(XPS)による元素分析(アルゴンイオンスパッタリングを併用)により行った。分析条件については、X線源をAlKα線とし、アルゴンイオン加速電圧を3kVとした。
Claims (3)
- ステンレス鋼部品の不動態化処理方法であって、
前記ステンレス鋼部品を、酸化剤と、水に可溶な水溶性モリブデン化合物とを含む酸性水溶液に浸漬または塗布して、前記ステンレス鋼部品の表面にモリブデンを含む不動態皮膜を形成する不動態皮膜形成工程を備え、
前記酸化剤は、過酸化水素または硝酸であり、
前記水溶性モリブデン化合物は、リンモリブデン酸ナトリウムn水和物であることを特徴とするステンレス鋼部品の不動態化処理方法。 - 請求項1に記載のステンレス鋼部品の不動態化処理方法であって、
前記不動態皮膜形成工程の前に、前記ステンレス鋼部品の表面の自然酸化皮膜を除去する前処理工程を備えることを特徴とするステンレス鋼部品の不動態化処理方法。 - 請求項1または2に記載のステンレス鋼部品の不動態化処理方法であって、
前記不動態皮膜に含まれるモリブデンの濃度が、前記ステンレス鋼部品の表面側から前記不動態皮膜の表面側へ向かう膜厚方向で増加していることを特徴とするステンレス鋼部品の不動態化処理方法。
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Families Citing this family (6)
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CN105256300B (zh) * | 2015-11-19 | 2018-07-13 | 佛山市湾厦新材料科技有限公司 | 一种不锈钢钨酸盐钝化剂及其应用 |
CN106756946A (zh) * | 2016-12-16 | 2017-05-31 | 安徽宝恒新材料科技有限公司 | 一种不锈钢表面钝化液 |
CN107419259B (zh) * | 2017-08-15 | 2019-08-06 | 江苏新行健实业有限公司 | 一种不锈钢件表面钝化处理工艺 |
CN108220937A (zh) * | 2018-01-18 | 2018-06-29 | 浙江苏泊尔股份有限公司 | 一种不锈钢工件抗高温变色的处理方法 |
CN113755830A (zh) * | 2021-08-30 | 2021-12-07 | 温州瑞银不锈钢制造有限公司 | 一种表面改性不锈钢的生产工艺以及表面改性不锈钢 |
CN115125529A (zh) * | 2022-06-07 | 2022-09-30 | 中国航发成都发动机有限公司 | 航空发动机不锈钢零组件局部钝化的方法 |
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JPS4913703B1 (ja) * | 1970-12-29 | 1974-04-02 | ||
JPS644494A (en) * | 1987-06-27 | 1989-01-09 | Nisshin Steel Co Ltd | Surface treatment of stainless steel |
DK187391D0 (da) * | 1991-11-15 | 1991-11-15 | Inst Produktudvikling | Fremgangsmaade til efterbehandling af zinkbelagte materialer samt behandlingsoploesning til brug ved fremgangsmaaden |
JP3218156B2 (ja) * | 1993-10-27 | 2001-10-15 | 大阪瓦斯株式会社 | 吸収式冷凍機の運転方法及び吸収液 |
JP2005089804A (ja) * | 2003-09-16 | 2005-04-07 | Kyodo Yushi Co Ltd | 水素含有環境下で使用されるトライボロジー金属部材及び潤滑剤 |
WO2011111391A1 (ja) * | 2010-03-12 | 2011-09-15 | マルイ鍍金工業株式会社 | ステンレスの不動態化方法 |
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