KR960000372A - 고경도, 고인성의 절삭공구용 질화규쇼 소결체 및 그의 제조방법 - Google Patents
고경도, 고인성의 절삭공구용 질화규쇼 소결체 및 그의 제조방법 Download PDFInfo
- Publication number
- KR960000372A KR960000372A KR1019940014239A KR19940014239A KR960000372A KR 960000372 A KR960000372 A KR 960000372A KR 1019940014239 A KR1019940014239 A KR 1019940014239A KR 19940014239 A KR19940014239 A KR 19940014239A KR 960000372 A KR960000372 A KR 960000372A
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- South Korea
- Prior art keywords
- silicon nitride
- sintered body
- nitride sintered
- manufacturing
- cutting tools
- Prior art date
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
Abstract
본 발명은 Si3N4절삭공구를 Er2O3및 SiO2의 소결제와 함께 TiN첨가에 의해 제조되는 것을 특징으로 하는 경도 및 인성이 높고, 윤활성이 우수한절삭성능이우수한 절삭공구용 질화규소 소결체와 그의 제조방법이다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 의한 Si3N4소결체의 단면(a)과 종래기술에 의한 Si3N4소결체의 단면(b)을 비교한 사진이다.
Claims (2)
- Si3N4분말 45 내지 85 중량%에 회토류 원소로서 Er2O38 내지 20중량%, SiO22 내지 5중량% 및 TiN 5 내지30중량%를 혼합 소결하는 것으로 제조됨을 특징으로하는 절삭공구용 질화규소 소결체.
- Si3N4분말 45 내지 85 중량%에 평균입경 0.6㎛의 Er2O38 내지 20중량%, 평균 입경 0.6㎛의 SiO22 내지 5중량% 및 평균입경 1㎛ 내지 2㎛의 TiN 5 내지30중량%을 통상의 유기 성형 조제물을 첨가하여 혼합분쇄한 후, 성형하고, 1750 내지 1850℃온도에서 2 내지 6 시간동안 질소 분위기하에서 소결하여서 되는 것을 특징으로 하는 절삭공구용 질화규소 소결체의 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940014239A KR970001065B1 (ko) | 1994-06-22 | 1994-06-22 | 고경도, 고인성의 절삭공구용 질화규소 소결체 및 그의 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019940014239A KR970001065B1 (ko) | 1994-06-22 | 1994-06-22 | 고경도, 고인성의 절삭공구용 질화규소 소결체 및 그의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR960000372A true KR960000372A (ko) | 1996-01-25 |
| KR970001065B1 KR970001065B1 (ko) | 1997-01-25 |
Family
ID=19385925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940014239A KR970001065B1 (ko) | 1994-06-22 | 1994-06-22 | 고경도, 고인성의 절삭공구용 질화규소 소결체 및 그의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR970001065B1 (ko) |
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1994
- 1994-06-22 KR KR1019940014239A patent/KR970001065B1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR970001065B1 (ko) | 1997-01-25 |
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