KR100417967B1 - 내마모성 부재와 그 제조방법 - Google Patents
내마모성 부재와 그 제조방법 Download PDFInfo
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- KR100417967B1 KR100417967B1 KR10-2001-0013563A KR20010013563A KR100417967B1 KR 100417967 B1 KR100417967 B1 KR 100417967B1 KR 20010013563 A KR20010013563 A KR 20010013563A KR 100417967 B1 KR100417967 B1 KR 100417967B1
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- silicon nitride
- titanium nitride
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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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- 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
- C04B35/593—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 obtained by pressure sintering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—Balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Ceramic Products (AREA)
- Rolls And Other Rotary Bodies (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
기공률(%) | 최대기공직경(㎛) | TiN입자의입자직경범위(㎛) | TiN입자의 장축직경과 단축직경의 차(㎛) | 저AP비TiN입자의비율*(%) | 3점굽힘강도(MPa) | 파괴인성값(MPa·m1/2) | 구름수명(회) | |
실시예 1 | 0.1 | 1 | 0.05-0.5 | 0.1 | 100 | 1200 | 7.5 | 1×108 |
비교예 1 | 0.1 | 1 | - | - | - | 1000 | 6.5 | 1×106 |
비교예 2 | 0.1 | 1 | 0.2-2.5 | 0.3 | 90 | 980 | 6.4 | 2×106 |
비교예 3 | 0.4 | 2 | 0.08-1.2 | 0.5 | 50 | 900 | 5.9 | 9×105 |
기공률(%) | 최대기공직경(㎛) | TiN입자의입자직경범위(㎛) | TiN입자의 장축직경과 단축직경의 차(㎛) | 저AP비TiN입자의비율*(%) | 압쇄강도(MPa) | 파괴인성값(MPa·m1/2) | 구름수명(hr) | |
실시예 2 | 0.1 | 1 | 0.05-0.5 | 0.1 | 100 | 270 | 7.3 | 400 |
비교예 4 | 0.1 | 1 | - | - | - | 230 | 6.3 | 300 |
비교예 5 | 0.1 | 1 | 0.2-2.5 | 0.3 | 90 | 220 | 6.3 | 350 |
비교예 6 | 0.4 | 2 | 0.08-1.2 | 0.5 | 48 | 200 | 5.7 | 200 |
Claims (20)
- 질화규소 75∼97질량%, 장축직경이 1㎛ 이하의 질화티탄입자 0.2∼5질량% 및 R을 희토류 원소로 하는 Si-R-Al-O-N 화합물을 포함하는 입계상을 2∼20질량%의 범위로 함유하는 질화규소 소결체를 구비하는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화티탄입자는 상기 질화규소 소결체 속에 단독으로 입자 분산되어 있는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화티탄은 상기 질화규소 및 상기 입계상에 고용하고 있지 않은 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화티탄입자는 상기 입계상 속에 분산되어 있는 것을 특징으로 하는내마모성부재.
- 제 1 항에 있어서,상기 질화티탄입자는 애스팩트비가 1.0∼1.2 범위의 입자를 80% 이상 포함하고 있는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화티탄입자는 장축직경과 단축직경의 차가 0.2㎛ 이하인 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화티탄입자는 둥근모양을 띤 형상을 갖는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화규소 소결체는 기공률이 0.5% 이하이고, 또한 최대 기공직경이 2㎛ 이하인 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화규소 소결체는 3점 굽힘강도가 1000MPa 이상이고, 또한 파괴인성값이 6.5MPa·m1/2이상인 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,슬러스트형 베어링시험기를 이용하여 상대재가 JIS G-4805로 규정되는 SUJ2강구, 하중 39.2MPa, 회전수 1200rpm의 조건 하에서, 상기 내마모성부재의 표면이 박리되기까지의 구름 수명을 측정하였을 때, 상기 내마모성부재는 반복 회수에서 1×108회 이상의 구름 수명을 갖는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 내마모성부재는 볼재를 구비하는 것을 특징으로 하는 내마모성부재.
- 제 11 항에 있어서,상기 볼재는 압쇄강도가 200MPa 이상이고, 또한 파괴인성값이 6.5MPa·m1/2이상인 것을 특징으로 하는 내마모성부재.
- 제 11 항에 있어서,슬러스트형 베어링시험기를 이용하여 상대재가 JIS G-4805로 규정되는 SUJ2강판, 1구 당 최대 접촉응력 5.9GPa, 회전수 1200rpm의 조건 하에서, 상기 볼재의 표면이 박리되기까지의 구름 수명을 측정하였을 때, 상기 볼는 400시간 이상의 구름 수명을 갖는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 입계상은 희토류 원소를 산화물로 환산하여 0.5∼10질량%, 산화 알루미늄을 0.1∼5질량%, 질화알루미늄을 5질량% 이하의 범위로 포함하는 것을 특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 질화규소 소결체는 마그네슘, 지르코늄, 하프늄 및 텅스텐에서 선택되는 적어도 1종의 화합물을 산화물로 환산하여 0.1∼5질량%의 범위로 함유하는 것을특징으로 하는 내마모성부재.
- 제 1 항에 있어서,상기 내마모성부재는 구름 베어링부재인 것을 특징으로 하는 내마모성부재.
- 질화규소 소결체를 구비하는 내마모성부재의 제조방법에 있어서,산소함유량이 1.7질량% 이하이고, α상형 질화규소를 90질량% 이상 함유하고, 평균입자직경이 1.0㎛ 이하의 질화규소 분말에 희토류 화합물을 산화물로 환산하여 0.5∼10질량%, 평균입자직경이 0.7㎛ 이하의 질화티탄 또는 소성에 의해 질화티탄이 되는 티탄화합물을 질화티탄으로 환산하여 0.1∼5질량%, 산화알루미늄을 0.1∼5질량% 및 질화알루미늄을 5질량% 이하의 범위로 첨가하여 원료 혼합물을 제조하는 공정,상기 원료혼합물을 목적하는 형상으로 성형하는 공정,상기 성형공정에 의해 얻어진 성형체를 탈지한 후, 1300∼1450℃ 범위의 온도로 열처리하는 공정, 및상기 열처리공정을 거친 성형체를 1600∼1900℃의 온도에서 소결하고, 상기 질화규소 소결체를 제조하는 공정으로 이루어진 것을 특징으로 하는 내마모성부재의 제조방법.
- 제 17 항에 있어서,상기 질화규소 분말에 상기 질화티탄 또는 소성에 의해 질화티탄이 되는 티탄화합물을 복수회로 나누어 첨가하고, 혼합하는 것을 특징으로 하는 내마모성부재의 제조방법.
- 제 17 항에 있어서,상기 원료혼합물은 평균입자직경이 0.5㎛ 이하의 산화티탄 분말을 질화티탄으로 환산하여 0.1∼5질량%의 범위로 포함하는 것을 특징으로 하는 내마모성부재의 제조방법.
- 제 17 항에 있어서,상기 소결공정에 의해 얻어진 상기 질화규소 소결체에 300기압 이상의 비산화성 분위기 하에서 1600∼1850℃의 온도로 HIP처리를 실시하는 공정을 추가적으로 구비하는 것을 특징으로 하는 내마모성부재의 제조방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2000-73409 | 2000-03-16 | ||
JP2000073409 | 2000-03-16 | ||
JP2001-39991 | 2001-02-16 | ||
JP2001039991A JP4744704B2 (ja) | 2000-03-16 | 2001-02-16 | 耐摩耗性部材の製造方法 |
Publications (2)
Publication Number | Publication Date |
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KR20010090450A KR20010090450A (ko) | 2001-10-18 |
KR100417967B1 true KR100417967B1 (ko) | 2004-02-14 |
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KR10-2001-0013563A KR100417967B1 (ko) | 2000-03-16 | 2001-03-16 | 내마모성 부재와 그 제조방법 |
Country Status (5)
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US (1) | US6797660B2 (ko) |
EP (1) | EP1134204B1 (ko) |
JP (1) | JP4744704B2 (ko) |
KR (1) | KR100417967B1 (ko) |
CN (1) | CN1251995C (ko) |
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TWI621505B (zh) | 2015-06-29 | 2018-04-21 | 聖高拜磨料有限公司 | 研磨物品及形成方法 |
US10325763B2 (en) * | 2017-01-20 | 2019-06-18 | Applied Materials, Inc. | Physical vapor deposition processing systems target cooling |
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DE3617282A1 (de) * | 1986-05-23 | 1987-11-26 | Kempten Elektroschmelz Gmbh | Polykristalline sinterkoerper auf basis von siliciumnitrid mit hoher bruchzaehigkeit und haerte |
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JP2588215B2 (ja) | 1987-09-30 | 1997-03-05 | 株式会社東芝 | セラミックス焼結体 |
US5000000A (en) * | 1988-08-31 | 1991-03-19 | University Of Florida | Ethanol production by Escherichia coli strains co-expressing Zymomonas PDC and ADH genes |
DE3840173A1 (de) * | 1988-11-29 | 1990-05-31 | Hoechst Ag | Siliciumnitridkeramik mit devitrifizierter integranularer glasphase und verfahren zu ihrer herstellung |
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JPH06122563A (ja) | 1992-10-12 | 1994-05-06 | Sumitomo Electric Ind Ltd | セラミックス複合材料及びその製造方法 |
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KR0166406B1 (ko) * | 1995-06-23 | 1999-01-15 | 니시무로 타이조 | 고열전도성 질화규소 소결체, 그 제조방법 및 압접구조체 |
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JP3115238B2 (ja) * | 1996-09-09 | 2000-12-04 | 株式会社東芝 | 窒化けい素回路基板 |
US5908796A (en) * | 1998-05-01 | 1999-06-01 | Saint-Gobain Industrial Ceramics, Inc. | Dense silicon nitride ceramic having fine grained titanium carbide |
JP4335406B2 (ja) * | 1999-04-05 | 2009-09-30 | 日本特殊陶業株式会社 | 切削工具及びその製造方法 |
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2001
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- 2001-03-14 US US09/805,035 patent/US6797660B2/en not_active Expired - Lifetime
- 2001-03-15 EP EP01106329.4A patent/EP1134204B1/en not_active Expired - Lifetime
- 2001-03-15 CN CNB011117346A patent/CN1251995C/zh not_active Expired - Lifetime
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JP2001328869A (ja) | 2001-11-27 |
CN1314323A (zh) | 2001-09-26 |
JP4744704B2 (ja) | 2011-08-10 |
CN1251995C (zh) | 2006-04-19 |
US20020010068A1 (en) | 2002-01-24 |
EP1134204B1 (en) | 2016-04-27 |
KR20010090450A (ko) | 2001-10-18 |
US6797660B2 (en) | 2004-09-28 |
EP1134204A1 (en) | 2001-09-19 |
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