KR970014873A - 주조용 다공성 주형 재료 및 그 제조방법 - Google Patents
주조용 다공성 주형 재료 및 그 제조방법 Download PDFInfo
- Publication number
- KR970014873A KR970014873A KR1019960041001A KR19960041001A KR970014873A KR 970014873 A KR970014873 A KR 970014873A KR 1019960041001 A KR1019960041001 A KR 1019960041001A KR 19960041001 A KR19960041001 A KR 19960041001A KR 970014873 A KR970014873 A KR 970014873A
- Authority
- KR
- South Korea
- Prior art keywords
- weight
- stainless steel
- porous
- casting
- range
- Prior art date
Links
- 238000005266 casting Methods 0.000 title claims abstract 10
- 238000004519 manufacturing process Methods 0.000 title claims 2
- 239000011148 porous material Substances 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract 13
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract 8
- 239000010935 stainless steel Substances 0.000 claims abstract 7
- 239000000835 fiber Substances 0.000 claims abstract 4
- 239000002245 particle Substances 0.000 claims abstract 4
- 238000002156 mixing Methods 0.000 claims abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 3
- 150000004767 nitrides Chemical class 0.000 claims 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 239000000843 powder Substances 0.000 claims 2
- 238000003303 reheating Methods 0.000 claims 2
- 238000005245 sintering Methods 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010791 quenching Methods 0.000 claims 1
- 230000000171 quenching effect Effects 0.000 claims 1
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000005058 metal casting Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000013022 venting Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C49/00—Alloys containing metallic or non-metallic fibres or filaments
- C22C49/02—Alloys containing metallic or non-metallic fibres or filaments characterised by the matrix material
- C22C49/08—Iron group metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
-
- 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
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
-
- 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
- B22F3/24—After-treatment of workpieces or articles
-
- 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
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/007—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
금속 주물내에 통풍용 구멍을 포함하는 다공성 주형 재료가 제공되는데, 상기 구멍의 직경은 20 내지 50마이크론의 범위내에 있고, 상기 다공성 주형 재료의 다공도는 부피당 25% 내지 35%의 범위내에 있다. 주물내의 통풍용으로 20 내지 50 마이크론의 범위내에 있는 구멍을 함유하는 다공성 주형 재료의 제조방법이 또한 제공되며, 그 방법은 스테인레스 스틸 입자 대 상기 스테인레스 스틸 단섬유의 혼합비가 40중량% : 60중량% 내지 65중량% : 35중량%임을 특징으로 한다. 본 발명에 따른 상기 다공성 주형 재료는 주형내의 용융 금속의 유동성 저하 또는 주물 제품내의 수축 및 기공과 같은 결함을 가지지 않는다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예에 사용되는 주형의 단면도.
Claims (3)
- 스테인레스 스틸 단섬유와 페라이트 스테인레스 스틸 입자로 이루어지는 분말 혼합물을 압축, 소결, 질소 주입 처리, 및 상기 혼합물을 냉각과 재가열함으로써 형성되는, 주조용 다공성 주형 재료에 있어서, 상기 다공성 주형 재료는 직경이 20내지 50 마이크론의 범위내에 있는 구멍을 포함하며, 상기 다공성 주형 재료의 다공도는 부피당 25% 내지 35%의 범위내에 있는 것을 특징으로 하는 주조용 다공성 주형 재료.
- 제1항에 있어서, 상기 다공성 주형 재료의 질소 함량은 1.0중량% 내지 1.5중량%임을 특징으로 하는 주조용 다공성 주형 재료.
- 직경은 20 내지 50마이크론의 범위내에 있는 구멍을 포함하는 주형 재료로서 그 재료의 다공도가 부피당 25% 내지 35%의 범위내에 있는 주조용 다공성 주형 재료물; 압축체를 형성하기 위해 스테인레스 스틸 단섬유의 페라이트 스테인레스 스틸 입자로 주로 이루어지는 분말 혼합물을 압축하는 단계와, 소결체를 형성하기 위해 상기 압축체를 소결하는 단계와, 질화체를 형성하기 위해 지소 분위기하에 상기 소결체를 가열함으로써 상기 소결체에 질소 주입 처리를 수행하는 단계와, 상기 질화물을 급냉시키는 단계 및, 상기 냉각된 질화체를 재가열시키는 단계에 의해 주조용 다공성 주형 재료를 제조하는 방법에 있어서, 상기 스테인레스 스틸 입자 대 상기 스테인레스 스틸 단섬유의 혼합비는 40중량% : 60중량% 내지 65중량% : 35중량%임을 특징으로 하는 주조용 다공성 주형 재료의 제조 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1995-269149 | 1995-09-22 | ||
| JP26914995A JP3271737B2 (ja) | 1995-09-22 | 1995-09-22 | 鋳造用多孔質金型材及びその製造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR970014873A true KR970014873A (ko) | 1997-04-28 |
Family
ID=17468365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960041001A KR970014873A (ko) | 1995-09-22 | 1996-09-20 | 주조용 다공성 주형 재료 및 그 제조방법 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5841041A (ko) |
| EP (1) | EP0764485A3 (ko) |
| JP (1) | JP3271737B2 (ko) |
| KR (1) | KR970014873A (ko) |
| CA (1) | CA2186155A1 (ko) |
| MY (1) | MY133653A (ko) |
| TW (1) | TW343936B (ko) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2172366B1 (es) * | 1999-07-14 | 2003-11-01 | Tratamientos Termicos Ttt S A | Procedimiento para la produccion de componentes de acero rapido mediante la tecnica de metalurgia de polvos. |
| JP2001098301A (ja) * | 1999-09-29 | 2001-04-10 | Daido Steel Co Ltd | 高密度焼結体用造粒粉末及びこれを用いた焼結体 |
| US6592807B2 (en) | 2001-05-24 | 2003-07-15 | The Goodyear Tire And Rubber Company | Method of making a porous tire tread mold |
| US6619369B2 (en) | 2001-08-08 | 2003-09-16 | Try Co., Ltd. | Process for producing a thin die-cast molded article of an aluminum material |
| PL1749598T3 (pl) * | 2004-03-23 | 2011-04-29 | Sintokogio Ltd | Urządzenie do wytwarzania formy odlewniczej i jednostka formy metalowej do zastosowania w nim |
| JP6094948B2 (ja) * | 2011-02-14 | 2017-03-15 | 新東工業株式会社 | 金型用通気性部材の製造方法 |
| EP2698526B1 (en) * | 2012-08-13 | 2017-06-07 | Continental Automotive GmbH | Coupling device |
| WO2019222138A1 (en) * | 2018-05-14 | 2019-11-21 | Magna International Inc. | Direct chill permanent mold casting system and method of same |
| DE112019002601T5 (de) * | 2018-05-23 | 2021-03-18 | Sumitomo Electric Sintered Alloy, Ltd. | Verfahren zur herstellung eines sinterelements und sinterelement |
| WO2020018477A1 (en) * | 2018-07-16 | 2020-01-23 | Magna International Inc. | Aluminum casting alloys |
| CN111906315B (zh) * | 2020-07-17 | 2022-04-05 | 歌尔光学科技有限公司 | 粉末冶金方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1266159A (en) * | 1983-04-09 | 1990-02-27 | Takeo Nakagawa | Composite and durable forming model with permeability |
| DE3330826A1 (de) * | 1983-08-26 | 1985-03-14 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von schaumstoff-formkoerpern aus polyolefinen |
| JP2674715B2 (ja) * | 1990-04-13 | 1997-11-12 | 大同特殊鋼株式会社 | 多孔質金型の製造方法 |
| JP2588057B2 (ja) * | 1990-10-19 | 1997-03-05 | 新東工業株式会社 | 金型用型材の製造方法 |
| JP2949679B2 (ja) * | 1992-07-17 | 1999-09-20 | 新東工業株式会社 | 多孔質金型材の製造方法 |
| CA2160857C (en) * | 1994-10-20 | 2001-12-25 | Takashi Nishi | Porous metal body and process for producing same |
-
1995
- 1995-09-22 JP JP26914995A patent/JP3271737B2/ja not_active Expired - Fee Related
-
1996
- 1996-09-16 TW TW085111284A patent/TW343936B/zh active
- 1996-09-18 US US08/715,562 patent/US5841041A/en not_active Expired - Lifetime
- 1996-09-19 EP EP96115045A patent/EP0764485A3/en not_active Ceased
- 1996-09-20 CA CA002186155A patent/CA2186155A1/en not_active Abandoned
- 1996-09-20 KR KR1019960041001A patent/KR970014873A/ko not_active Application Discontinuation
- 1996-09-20 MY MYPI96003891A patent/MY133653A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0764485A3 (en) | 1997-06-18 |
| JP3271737B2 (ja) | 2002-04-08 |
| US5841041A (en) | 1998-11-24 |
| TW343936B (en) | 1998-11-01 |
| MY133653A (en) | 2007-11-30 |
| CA2186155A1 (en) | 1997-03-23 |
| EP0764485A2 (en) | 1997-03-26 |
| JPH0985389A (ja) | 1997-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| E902 | Notification of reason for refusal | ||
| E601 | Decision to refuse application |