KR101683077B1 - 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법 - Google Patents
내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법 Download PDFInfo
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- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
- C23C10/34—Embedding in a powder mixture, i.e. pack cementation
- C23C10/36—Embedding in a powder mixture, i.e. pack cementation only one element being diffused
- C23C10/44—Siliconising
- C23C10/46—Siliconising of ferrous surfaces
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- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
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- 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
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- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/60—After-treatment
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- 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
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/12—Oxidising using elemental oxygen or ozone
- C23C8/14—Oxidising of ferrous surfaces
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- C—CHEMISTRY; METALLURGY
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- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/10—Oxidising
- C23C8/16—Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
- C23C8/18—Oxidising of ferrous surfaces
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- B05D2202/10—Metallic substrate based on Fe
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Abstract
Description
Claims (15)
- (i) Si를 포함하는 철계 기재를 전처리하여 준비하는 단계;
(ii) 상기 전처리된 철계 기재 표면을 열처리하여 Si 산화물층을 형성하는 단계;
(iii) 상기 Si 산화물층 상에 세라믹 코팅층을 형성하는 단계; 및
(iv) 상기 세라믹 코팅층이 형성된 철계 기재를 건조 및 소성시키는 단계;
를 포함하고,
상기 (ii) 단계에서의 Si 산화물층은 Fe2SiO4, 및 SiO2 를 포함하며,
상기 (ii) 단계에서의 Si 산화물층의 두께는 0.1 내지 1㎛이며,
상기 (ii) 단계에서의 열처리는 500 내지 900℃에서 20초 내지 300분 동안 수행되는 것을 특징으로 하는, 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 삭제
- 삭제
- 청구항 1에 있어서,
상기 (ii) 단계에서의 Si 산화물층의 열팽창계수는 0.3 내지 3ppm/K이며, 상기 세라믹 코팅층의 열팽창계수는 상기 Si 산화물층의 열팽창계수 값의 이하인 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 Si 산화물층의 탄성계수는 60 내지 80Gpa인 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (iii) 단계에서의 세라믹 코팅층의 두께는 30 내지 60㎛인 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (iii) 단계에서의 세라믹 코팅층의 임계 하중(critical load)은 9N 이상인 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (iii) 단계에서의 세라믹 코팅층은 습식 분무 코팅으로 수행되는 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (i) 단계에서의 Si를 포함하는 철계 기재의 규소함량은 0.1 내지 20wt%인 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 삭제
- 청구항 1에 있어서,
상기 (ii) 단계에서의 열처리 시 H2/H2O는 0.05 내지 0.6인 조건에서 수행되는 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (ii) 단계에서의 열처리 시 이슬점은 20 내지 60℃인 조건에서 수행되는 것을 특징으로 하는 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1에 있어서,
상기 (ii) 단계에서의 열처리는 산화 분위기 하에서 수행되는 것을 특징으로 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법.
- 청구항 1의 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법을 이용하여 제조되는 가열조리기기용 복합 소재.
- 청구항 14의 가열조리기기용 복합 소재를 이용하여 제조되는 가열조리기기.
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| KR1020160057624A KR101683077B1 (ko) | 2016-05-11 | 2016-05-11 | 내식성 Si 산화물층이 도입된 철계 기재의 세라믹 코팅방법 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225383A (ja) * | 1988-11-21 | 1990-09-07 | Hitachi Metals Ltd | セラミック・鉄製部材接合体及びその製造法 |
| JP3845135B2 (ja) * | 1994-12-24 | 2006-11-15 | ロールス・ロイス・ピーエルシー | 超合金製品の為の断熱コーティングとその適用方法 |
| KR100871877B1 (ko) * | 2008-07-04 | 2008-12-03 | (주) 더몰론코리아 | 세라믹 코팅 철강재 가열조리기구 및 그 제조방법 |
| JP2015183189A (ja) * | 2014-03-20 | 2015-10-22 | Jfeスチール株式会社 | 方向性電磁鋼板とその製造方法 |
-
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- 2016-05-11 KR KR1020160057624A patent/KR101683077B1/ko active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02225383A (ja) * | 1988-11-21 | 1990-09-07 | Hitachi Metals Ltd | セラミック・鉄製部材接合体及びその製造法 |
| JP3845135B2 (ja) * | 1994-12-24 | 2006-11-15 | ロールス・ロイス・ピーエルシー | 超合金製品の為の断熱コーティングとその適用方法 |
| KR100871877B1 (ko) * | 2008-07-04 | 2008-12-03 | (주) 더몰론코리아 | 세라믹 코팅 철강재 가열조리기구 및 그 제조방법 |
| JP2015183189A (ja) * | 2014-03-20 | 2015-10-22 | Jfeスチール株式会社 | 方向性電磁鋼板とその製造方法 |
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