KR20070005992A - 분말사출성형용 금속 미세입자 피드스톡의 제조방법 - Google Patents
분말사출성형용 금속 미세입자 피드스톡의 제조방법 Download PDFInfo
- Publication number
- KR20070005992A KR20070005992A KR1020050060092A KR20050060092A KR20070005992A KR 20070005992 A KR20070005992 A KR 20070005992A KR 1020050060092 A KR1020050060092 A KR 1020050060092A KR 20050060092 A KR20050060092 A KR 20050060092A KR 20070005992 A KR20070005992 A KR 20070005992A
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- KR
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- Prior art keywords
- metal
- injection molding
- feedstock
- powder injection
- organic
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/14—Making metallic powder or suspensions thereof using physical processes using electric discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B2009/125—Micropellets, microgranules, microparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/168—Removing undesirable residual components, e.g. solvents, unreacted monomers; Degassing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/16—Fillers
- B29K2105/162—Nanoparticles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2505/00—Use of metals, their alloys or their compounds, as filler
- B29K2505/02—Aluminium
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims (5)
- 물 또는 유기 용매 중 어느 하나가 담겨진 용기 내에 소량의 알카리 금속 이온을 함유시킴과 동시에 그 내에 두개 이상의 금속전극을 이격배치 한 후 시간이 경과함에 따라 크기와 방향이 주기적으로 변하는 전류를 인가하여 100nm 크기 이하의 금속 미세입자를 제조하는 제 1단계와;상기 제 1단계를 거친 용기내에서 분말사출성형용 유기결합제를 첨가하는 제2단계와;상기 첨가된 유기결합제를 용해시켜 미세입자와 균일하게 혼합하는 제3단계와;상기 용기 내부의 물 또는 유기용매를 제거한 다음 그 내의 유기결합제와 미세입자 혼합물을 분쇄하는 제 4단계로 이루어짐을 특징으로 하는 분말사출성형용 금속 미세입자 피드스톡의 제조방법.
- 제 1항에 있어서,상기 물 또는 유기 용매 중 어느 하나에 알카리 금속 이온이 존재하도록 Na, Li, K 을 포함하는 수산화물이나 산화물, 화합물을 용해시키는 것을 특징으로 하는분말사출성형용 금속 미세입자 피드스톡의 제조방법.
- 제 1항에 있어서,상기 금속 미세입자의 산화를 억제하기 위한 환원제 또는 유기산 중 어느 하나를 첨가하는 것을 특징으로 하는 분말사출성형용 금속 미세입자 피드스톡의 제조방법.
- 제 1항에 있어서,상기 제 1단계를 통해 얻은 금속미세입자에 환원제 또는 유기산을 첨가하여 제조한 또 다른 금속 미세입자를 혼합케 함을 특징으로 하는 분말사출성형용 금속 미세입자 피드스톡의 제조방법.
- 제 3항에 있어서,상기 환원제나 유기산은 3-oxo-L-gulofuranolactone, 2-Hydroxy-1,2,3-propanetricarboxylic acid 등을 포함하는 유기물질이나 화합물을 사용하는 것을 특징으로 하는 분말사출성형용 금속 미세입자 피드스톡의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050060092A KR100707855B1 (ko) | 2005-07-05 | 2005-07-05 | 분말사출성형용 금속 미세입자 피드스톡의 제조방법 |
PCT/KR2006/002591 WO2007004836A1 (en) | 2005-07-05 | 2006-07-03 | A manufacturing method of metal fine particles feedstock for powder injection molding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020050060092A KR100707855B1 (ko) | 2005-07-05 | 2005-07-05 | 분말사출성형용 금속 미세입자 피드스톡의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20070005992A true KR20070005992A (ko) | 2007-01-11 |
KR100707855B1 KR100707855B1 (ko) | 2007-04-17 |
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KR1020050060092A KR100707855B1 (ko) | 2005-07-05 | 2005-07-05 | 분말사출성형용 금속 미세입자 피드스톡의 제조방법 |
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KR (1) | KR100707855B1 (ko) |
WO (1) | WO2007004836A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022139186A1 (ko) * | 2020-12-21 | 2022-06-30 | 코오롱플라스틱 주식회사 | 분말 사출성형을 위한 피드스톡의 제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2739417B1 (de) * | 2011-08-02 | 2015-10-07 | GKN Sinter Metals Holding GmbH | Bindemittelmischung für die herstellung von formteilen mittels spritzverfahren |
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JPH0686608B2 (ja) * | 1987-12-14 | 1994-11-02 | 川崎製鉄株式会社 | 金属粉末射出成形による鉄焼結体の製造方法 |
JP3362465B2 (ja) * | 1993-08-06 | 2003-01-07 | 株式会社村田製作所 | 焼結部材の製造方法 |
KR100366773B1 (ko) | 2000-03-29 | 2003-01-09 | 이재성 | 금속사출성형용 나노금속분말 피드스톡 제조방법 |
WO2004039522A1 (de) * | 2002-10-29 | 2004-05-13 | Basf Aktiengesellschaft | Metallpulverspritzgussmasse und verfahren zum metallpulverspritzguss |
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- 2005-07-05 KR KR1020050060092A patent/KR100707855B1/ko active IP Right Grant
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- 2006-07-03 WO PCT/KR2006/002591 patent/WO2007004836A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022139186A1 (ko) * | 2020-12-21 | 2022-06-30 | 코오롱플라스틱 주식회사 | 분말 사출성형을 위한 피드스톡의 제조방법 |
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Publication number | Publication date |
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WO2007004836A1 (en) | 2007-01-11 |
KR100707855B1 (ko) | 2007-04-17 |
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