KR950008714A - 열 분무법에 사용하기 위한 분말 - Google Patents
열 분무법에 사용하기 위한 분말 Download PDFInfo
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- KR950008714A KR950008714A KR1019940022154A KR19940022154A KR950008714A KR 950008714 A KR950008714 A KR 950008714A KR 1019940022154 A KR1019940022154 A KR 1019940022154A KR 19940022154 A KR19940022154 A KR 19940022154A KR 950008714 A KR950008714 A KR 950008714A
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- powder
- nickel
- chromium
- carbide
- chromium alloy
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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
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Powder Metallurgy (AREA)
Abstract
열 분무 피복공정에 사용하기 위한 분말은 금속 카바이드가 용해되어 있는 니켈-크롬 합금으로 필수적으로 이루어진 층으로 적어도 일부분이 피복된 금속 카바이드 코어로 필수적으로 이루어진 입자를 포함한다. 당해 입자는 출발 금속 카바이드의 일부분, 바람직하게는 60 내지 90중량%를 Ni-Cr합금에 용해시키기에 유효한 조건하에서 니켈-크롬 합금의 존재하에 금속카바이드의 미세 출발 입자의 혼합물을 가열함으로써 형성된다.
고온 적용에 적당한 또 다른 양태에 있어서는 출발 카바이드 입자의 90중량%이상을 용해시킨다. 용해되는 양이 100중량%에 이르는 경우, 코어는 반드시 없어지게 된다. 본 발명에 따라 형성된 피복물은 뜻밖에도 윤활도와 내식성에 있어서 상당한 증가를 나타낸다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (20)
- 금속 카바이드의 미세 출발 입자 혼합물을 출발 금속 카바이드의 약60 내지 90중량%를 용해시키기에 유효한 조건하에서 니켈-크롬 합금의 존재하에 가열함으로써 형성되고, 필수적으로 금속 카바이드가 용해된 니켈-크롬 합금으로 이루어진 층으로 적어도 일부가 피복된 금속 카바이드 코어로 필수적으로 이루어진 입자(여기서, 카바이드와 니켈-크롬 합금의 상대량은, 분말로부터 제조된 열 분무 피복물을 냉각시키는 경우, 금속 카바이드의 거의 전량이 니켈-크롬 합금 중의 용액에 잔류하도록 선택된다)를 포함하는 열 분무 피목공정에서 사용하기 위한 분말.
- 제1항에 있어서, 금속 카바이드가 필수적으로 크롬 카바이드로 이루어진 분말.
- 제2항에 있어서, 출발 금속 카바이드의 미세 입자의 크기가 1 내지 10μ인 분말.
- 제2항에 있어서, 생성된 분말 입자의 크기가 약2 내지 44μ이고, 이의 평균 입자 크기가 약9 내지 13μ인 분말.
- 제4항에 있어서, 평균 입자 크기가 9 내지 11μ인 분말.
- 제3항에 있어서, 미립자 니켈-크롬 합금과 미립자 크롬 카바이드를 블렌딩하여 혼합물을 형성하는 단계, 혼합물을 소결시켜 고상 물질을 형성하는 단계, 고상 물질을 분쇄하는 단계 및 분쇄된 고상 물질을 선별분리하여 분말을 수득하는 단계에 의해 형성된 분말.
- 제6항에 있어서, 혼합물을 고상 물질의 형성 도중에 크롬카바이드를 니켈-크롬 합금으로 고상 확산시키기에 유효한 온도에서 혼합물을 소결시킴으로써, 고상 물질의 융점이 출발 니켈-크롬 합금의 융점보다 높은 공정(共晶)으로 되는 분말.
- 제6항에 있어서, 혼합물을 1250℃ 내지 1450℃에서 약 30내지 90분 동안 소결시킨 분말
- 제4항에 있어서, 출발 크롬 카바이드와 니켈-크롬 합금의 양이 각각 Cr3C292 내지 85중량%와 니켈-크롬 합금 8 내지 15중량%인 분말.
- 제1항의 분말을 열 분무시킴으로써 형성된 피복물.
- 제9항에 분말을 고속 옥시 연료 열 분무시킴으로써 형성된 피복물.
- 금속 카바이드의 미세 출발 입자 혼합물을 출발 금속 카바이드의 약 90 내지 100중량%를 용해시키기에 유효한 조건하에서 니켈-크롬 합금의 존재하에 가열함으로써 형성되고, 금속 카바이드가 용해된 니켈-크롬 합금으로 필수적으로 이루어진 입자(여기서, 카바이드와 니켈-크롬 합금의 상대량은 분말로부터 제조된 열 분무피복물을 냉각시키는 경우, 금속 카바이드의 거의 전량이 니켈 크롬 합금 중의 용액에 잔류하도록 선택된다)를 포함하는 열 분무 피복공정에 사용하기 위한 분말.
- 제12항에 있어서, 금속 카바이드가 필수적으로 크롬카바이드로 이루어진 분말.
- 제13항에 있어서, 출발 금속 카바이드의 미세 입자 크기가 l 내지 10μ인 분말.
- 제14항에 있어서, 생성된 분말 입자의 크기가 약2 내지 44μ이고, 이의 평균 입자 크기가 약9 내지 13μ인 분말.
- 제14항에 있어서, 미립자 니켈-크롬 합금과 미립자 크롬 카바이드를 블렌딩하여 혼합물을 형성하는 단계, 혼합물을 소결시켜 고상 물질을 형성하는 단계, 고상 물질을 분쇄하는 단계 및 분쇄된 고상 물질을 선별 분리하여 분말을 수득하는 단계에 의해 형성된 분말.
- 제16항에 있어서, 고상 물질의 형성 도중에 크롬카바이드를 니켈-크롬 합금으로 고상 확산시키기에 유효한 온도에서 혼합물을 소결시킴으로써, 고상 물질의 융점이 출발 니켈-크롬 합금의 융점보다 높은 공정으로 되는 분말.
- 제14항에 있어서, 출발 크롬 카바이드와 니켈-크롬합금의 양이 Cr3C292 내지 85중량%와 니켈-크롬 합금 8 내지 15중량%인 분말.
- 제12항의 분말을 열 분무시킴으로써 형성된 피복물.
- 제18항의 분말을 고속 옥시 연료 열 분무시킴으로써 형성된 피복물.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11687493A | 1993-09-03 | 1993-09-03 | |
US08/116.874 | 1993-09-03 | ||
US8/116.874 | 1993-09-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950008714A true KR950008714A (ko) | 1995-04-19 |
KR100204201B1 KR100204201B1 (ko) | 1999-06-15 |
Family
ID=22369762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1019940022154A KR100204201B1 (ko) | 1993-09-03 | 1994-09-03 | 열 분무법에 사용하기 위한 분말 |
Country Status (10)
Country | Link |
---|---|
US (1) | US5747163A (ko) |
EP (1) | EP0641869B1 (ko) |
JP (1) | JPH07166319A (ko) |
KR (1) | KR100204201B1 (ko) |
CA (1) | CA2129874C (ko) |
DE (1) | DE69403413T2 (ko) |
ES (1) | ES2102151T3 (ko) |
FI (1) | FI106472B (ko) |
SG (1) | SG50475A1 (ko) |
TW (1) | TW254871B (ko) |
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KR100559449B1 (ko) * | 2001-10-17 | 2006-03-10 | 재단법인 포항산업과학연구원 | 용사코팅용 사이알론 분말, 이의 제조방법 및 이를 이용한용사코팅방법 |
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JP3952252B2 (ja) | 2001-01-25 | 2007-08-01 | 株式会社フジミインコーポレーテッド | 溶射用粉末およびそれを用いた高速フレーム溶射方法 |
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US7438741B1 (en) | 2003-05-20 | 2008-10-21 | Exxonmobil Research And Engineering Company | Erosion-corrosion resistant carbide cermets for long term high temperature service |
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DE3515107C1 (de) * | 1985-04-26 | 1986-07-31 | Goetze Ag, 5093 Burscheid | Spritzpulver fuer die Herstellung verschleissfester und ausbruchsicherer Beschichtungen |
US4666733A (en) * | 1985-09-17 | 1987-05-19 | Electric Power Research Institute | Method of heat treating of wear resistant coatings and compositions useful therefor |
US4725508A (en) * | 1986-10-23 | 1988-02-16 | The Perkin-Elmer Corporation | Composite hard chromium compounds for thermal spraying |
US5137422A (en) * | 1990-10-18 | 1992-08-11 | Union Carbide Coatings Service Technology Corporation | Process for producing chromium carbide-nickel base age hardenable alloy coatings and coated articles so produced |
DE4134144C2 (de) * | 1991-10-16 | 1994-04-21 | Fraunhofer Ges Forschung | Karbidisches Spritzpulver |
US5458460A (en) * | 1993-03-18 | 1995-10-17 | Hitachi, Ltd. | Drainage pump and a hydraulic turbine incorporating a bearing member, and a method of manufacturing the bearing member |
US5328763A (en) * | 1993-02-03 | 1994-07-12 | Kennametal Inc. | Spray powder for hardfacing and part with hardfacing |
US5385789A (en) * | 1993-09-15 | 1995-01-31 | Sulzer Plasma Technik, Inc. | Composite powders for thermal spray coating |
US5419976A (en) * | 1993-12-08 | 1995-05-30 | Dulin; Bruce E. | Thermal spray powder of tungsten carbide and chromium carbide |
-
1994
- 1994-08-10 CA CA002129874A patent/CA2129874C/en not_active Expired - Fee Related
- 1994-09-01 ES ES94306445T patent/ES2102151T3/es not_active Expired - Lifetime
- 1994-09-01 DE DE69403413T patent/DE69403413T2/de not_active Expired - Fee Related
- 1994-09-01 EP EP94306445A patent/EP0641869B1/en not_active Expired - Lifetime
- 1994-09-01 SG SG1996002242A patent/SG50475A1/en unknown
- 1994-09-02 JP JP6232481A patent/JPH07166319A/ja active Pending
- 1994-09-02 FI FI944041A patent/FI106472B/fi active
- 1994-09-03 KR KR1019940022154A patent/KR100204201B1/ko not_active IP Right Cessation
- 1994-10-12 TW TW083109407A patent/TW254871B/zh active
-
1996
- 1996-12-12 US US08/764,421 patent/US5747163A/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100777279B1 (ko) * | 2001-09-10 | 2007-11-20 | 엘지전자 주식회사 | 모니터 및 그 가시화면 조정방법 |
KR100559449B1 (ko) * | 2001-10-17 | 2006-03-10 | 재단법인 포항산업과학연구원 | 용사코팅용 사이알론 분말, 이의 제조방법 및 이를 이용한용사코팅방법 |
Also Published As
Publication number | Publication date |
---|---|
JPH07166319A (ja) | 1995-06-27 |
ES2102151T3 (es) | 1997-07-16 |
SG50475A1 (en) | 1998-07-20 |
FI944041A0 (fi) | 1994-09-02 |
CA2129874C (en) | 1999-07-20 |
DE69403413T2 (de) | 1997-09-25 |
CA2129874A1 (en) | 1995-03-04 |
EP0641869B1 (en) | 1997-05-28 |
EP0641869A1 (en) | 1995-03-08 |
DE69403413D1 (de) | 1997-07-03 |
KR100204201B1 (ko) | 1999-06-15 |
TW254871B (ko) | 1995-08-21 |
FI944041A (fi) | 1995-03-04 |
FI106472B (fi) | 2001-02-15 |
US5747163A (en) | 1998-05-05 |
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