KR100882392B1 - 알루미나계 절삭공구 - Google Patents
알루미나계 절삭공구 Download PDFInfo
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- KR100882392B1 KR100882392B1 KR1020020042613A KR20020042613A KR100882392B1 KR 100882392 B1 KR100882392 B1 KR 100882392B1 KR 1020020042613 A KR1020020042613 A KR 1020020042613A KR 20020042613 A KR20020042613 A KR 20020042613A KR 100882392 B1 KR100882392 B1 KR 100882392B1
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- alumina
- sintered body
- hardness
- metal oxide
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 238000005520 cutting process Methods 0.000 title claims abstract description 76
- 239000000919 ceramic Substances 0.000 claims abstract description 46
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 41
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 41
- 239000002245 particle Substances 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 4
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 12
- 150000002736 metal compounds Chemical class 0.000 claims description 12
- 239000000843 powder Substances 0.000 abstract description 20
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 238000001354 calcination Methods 0.000 abstract description 5
- 238000010304 firing Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 239000011148 porous material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 229910004298 SiO 2 Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 229910052747 lanthanoid Inorganic materials 0.000 description 4
- 150000002602 lanthanoids Chemical class 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000011056 performance test Methods 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000013001 point bending Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004626 scanning electron microscopy Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052689 Holmium Inorganic materials 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 229910052772 Samarium Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 229910052769 Ytterbium Inorganic materials 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 2
- 150000004703 alkoxides Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007542 hardness measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052706 scandium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- -1 Re 4 Al 2 O 9 Chemical class 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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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
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
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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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
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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
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
- C04B35/505—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds based on yttrium oxide
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
Description
상기 알루미나와 3A족 금속산화물 또는 가열에 의해서 3A족 금속산화물이 되는 3A족 금속화합물, 또는 알루미나와 3A족 금속산화물의 화합물을 함유하는 원료 혼합물을 조제하고, 상기 원료 혼합물을 소성함으로써 얻어지며,
실온에서의 비커스경도가 1800 이상이고, 또한 1000℃에서의 비커스경도가 800 이상이고,
실온에서의 굽힘강도가 700㎫ 이상이고, 또한 1000℃에서의 굽힘강도가 500상기 알루미나와 3A족 금속산화물 또는 가열에 의해서 3A족 금속산화물이 되는 3A족 금속화합물, 또는 알루미나와 3A족 금속산화물의 화합물을 함유하는 원료 혼합물을 조제하고, 상기 원료 혼합물을 소성함으로써 얻어지며,
실온에서의 비커스경도가 1800 이상이고, 또한 1000℃에서의 비커스경도가 800 이상이고,
실온에서의 굽힘강도가 700㎫ 이상이고, 또한 1000℃에서의 굽힘강도가 500㎫ 이상, 1200℃에서의 굽힘강도가 400㎫ 이상㎫ 이상, 1200℃에서의 굽힘강도가 400㎫ 이상인 알루미나 세라믹스 소결체로 구성된다.
시료 No. | 첨가물 | 첨가량 (㏖비) | 소성온도 (℃) | 1차밀도 (g/㎤) | 상대밀도 (%) | HIP처리 온도 (℃) | HIP처리 압력 (㎏/㎠) | HIP처리후 밀도 (g/㎤) | 상대밀도 (%) |
1 | Yb2O3 | 0.20 | 1320 | 3.83 | 95.8 | 1400 | 1000 | 4.00 | 100.0 |
2 | Yb2O3 | 0.50 | 1340 | 3.92 | 97.3 | 1400 | 1000 | 4.03 | 100.0 |
3 | Yb2O3 | 0.50 | 1340 | 3.92 | 97.3 | 1450 | 1000 | 4.03 | 100.0 |
4 | Yb2O3 | 1.00 | 1340 | 3.88 | 95.3 | 1350 | 1000 | 4.07 | 100.0 |
5 | Yb2O3 | 1.00 | 1340 | 3.88 | 95.3 | 1400 | 1000 | 4.07 | 100.0 |
6 | Yb2O3 | 1.00 | 1350 | 3.95 | 97.0 | 1450 | 1000 | 4.07 | 100.0 |
7 | Yb2O3 | 1.00 | 1340 | 3.89 | 97.0 | 1450 | 1000 | 4.01 | 100.0 |
8 | Yb2O3 | 2.00 | 1355 | 4.06 | 97.6 | 1500 | 1000 | 4.16 | 100.0 |
9 | Yb2O3 | 0.50 | 1400 | 3.98 | 98.7 | 1450 | 1000 | 4.01 | 99.5 |
*10 | Yb2O3 | 1.00 | 1350 | 3.95 | 97.0 | 1600 | 1000 | 4.07 | 100.0 |
*11 | 미첨가 | 1250 | 3.86 | 96.7 | 1200 | 1000 | 3.99 | 100.0 | |
*12 | MgO | 0.10 | 1240 | 3.86 | 96.7 | 1200 | 1000 | 3.99 | 100.0 |
*13 | TiO2 | 0.10 | 1240 | 3.86 | 96.7 | 1200 | 1000 | 3.99 | 100.0 |
*14 | SiO2 | 0.15 | 1360 | 3.92 | 97.3 | 1450 | 1000 | 4.03 | 100.0 |
Yb2O3 | 0.50 | ||||||||
*15 | Yb2O3 | 3.00 | 1370 | 4.13 | 97.5 | 1550 | 1000 | 4.24 | 100.0 |
*16 | Yb2O3 | 0.50 | 1250 | 3.75 | 93.1 | 1450 | 1000 | 3.79 | 94.0 |
시료 No. | 입경 (㎛) | 분산상 입경 (㎛) | 피크강도비 (%) | 3점 굽힘강도(㎫) | 경도(HV1) | 고속절삭성능 (m) | 내결손성 (산) | |||
실온 | 1000℃ | 1200℃ | 실온 | 1000℃ | ||||||
1 | 1.0 | - | 4 | 800 | 570 | 520 | 2000 | 940 | 905 | 2.6 |
2 | 0.7 | - | 15 | 820 | 580 | 530 | 2040 | 940 | 1530 | 2.5 |
3 | 1.3 | 0.4 | 15 | 780 | 520 | 480 | 1990 | 820 | 850 | 7.3 |
4 | 0.5 | - | 26 | 850 | 590 | 530 | 2080 | 990 | 1540 | 2.5 |
5 | 1.0 | - | 26 | 800 | 580 | 520 | 2010 | 950 | 910 | 4.6 |
6 | 1.3 | 0.4 | 26 | 780 | 530 | 480 | 2010 | 850 | 880 | 7.3 |
7 | 1.3 | - | 24 | 750 | 510 | 450 | 1950 | 810 | 820 | 7.0 |
8 | 1.3 | - | 54 | 740 | 500 | 430 | 1900 | 800 | 800 | 6.8 |
9 | 1.4 | - | 15 | 700 | 480 | 390 | 1900 | 780 | 350 | 1.8 |
*10 | 4.8 | - | 26 | 500 | 380 | 340 | 1600 | 650 | 240 | 4.8 |
*11 | 0.5 | - | 0 | 870 | 580 | 230 | 2140 | 750 | 345 | 1.2 |
*12 | 0.5 | - | 0 | 860 | 580 | 240 | 2120 | 770 | 233 | 1.1 |
*13 | 0.5 | - | 0 | 840 | 590 | 230 | 2120 | 770 | 246 | 1.1 |
*14 | 1.0 | - | 15 | 800 | 550 | 220 | 1990 | 740 | 210 | 1.0 |
*15 | 1.3 | - | 80 | 650 | 400 | 350 | 1850 | 740 | 280 | 1.5 |
*16 | - | - | 12 | - | - | - | - | - | - | - |
또, 실온 및 1000℃ 이상의 고온에서도 우수한 강도, 경도를 가지는 알루미나 세라믹스 소결체를 사용하고 있기 때문에 고속절삭성능과 내결손성을 겸비하며, 따라서 공구의 수명이 길고, 고속절삭에 매우 적합하게 사용할 수 있다.
Claims (8)
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- 소결체 중의 알루미나 입자의 평균입경이 1㎛ 보다도 크고 또한 4.0㎛ 이하이고, 소결체 중의 알루미나 100㏖에 대한 알칼리금속원소, 알칼리토류금속원소, Si원소 및 Ti원소의 산화물 환산량의 총량이 0.1㏖ 이하이고, 또한 이하의 식에 의해서 계산되는 X선 회절법에 의해서 측정된 알루미나의 최강 피크강도에 대한 ReAlO3 및 Re3Al5O12(Re:3A족 금속)의 최강 피크강도의 합계의 비율이 1∼75%이고,상기 알루미나와 3A족 금속산화물 또는 가열에 의해서 3A족 금속산화물이 되는 3A족 금속화합물, 또는 알루미나와 3A족 금속산화물의 화합물을 함유하는 원료 혼합물을 조제하고, 상기 원료 혼합물을 소성함으로써 얻어지며,실온에서의 비커스경도가 1800 이상이고, 또한 1000℃에서의 비커스경도가 800 이상이고,실온에서의 굽힘강도가 700㎫ 이상이고, 또한 1000℃에서의 굽힘강도가 500㎫ 이상, 1200℃에서의 굽힘강도가 400㎫ 이상인 알루미나 세라믹스 소결체로 구성되는 것을 특징으로 하는 알루미나계 절삭공구.(A+B)×100/CA: ReAlO3(112)의 피크강도B: Re3Al5O12(420)의 피크강도C: 알루미나(113)의 피크강도
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JP2001221961A JP4723127B2 (ja) | 2001-07-23 | 2001-07-23 | アルミナセラミックス焼結体及びその製造方法並びに切削工具 |
JPJP-P-2001-00221961 | 2001-07-23 |
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US (1) | US6753284B2 (ko) |
EP (1) | EP1279650B1 (ko) |
JP (1) | JP4723127B2 (ko) |
KR (1) | KR100882392B1 (ko) |
CA (1) | CA2394156C (ko) |
ES (1) | ES2553128T3 (ko) |
TW (1) | TWI243156B (ko) |
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US7320716B2 (en) * | 2003-05-26 | 2008-01-22 | Japan Science And Technology Agency | Method for toughening surface of sintered material cutting tool and sintered material cutting tool having long life |
WO2006022384A1 (ja) * | 2004-08-27 | 2006-03-02 | Tosoh Corporation | 歯列矯正ブラケット及びその製造方法 |
KR20080014778A (ko) * | 2005-04-18 | 2008-02-14 | 호쿠리쿠세이케고교 가부시키가이샤 | 샤워 플레이트 및 그 제조 방법 |
DE102005059099A1 (de) * | 2005-12-08 | 2007-06-14 | Ceramtec Ag Innovative Ceramic Engineering | Feinkristalline Al2O3-Keramik |
US20070298245A1 (en) * | 2006-06-23 | 2007-12-27 | Denso Corporation | Alumina composite sintered body, evaluation method thereof and spark plug |
WO2008026641A1 (fr) * | 2006-08-30 | 2008-03-06 | Ngk Spark Plug Co., Ltd. | Matériau fritté composite à base d'oxyde d'aluminium et insert de découpage |
EP2402297B1 (en) * | 2009-02-20 | 2018-01-03 | Ngk Spark Plug Co., Ltd. | Electrically conductive oxide sintered compact, thermistor element employing the same, and temperature sensor employing the same |
FR2954766B1 (fr) * | 2009-12-24 | 2015-04-24 | Saint Gobain Ct Recherches | Poudre de granules de ceramique |
JP5546996B2 (ja) * | 2010-08-17 | 2014-07-09 | 日本特殊陶業株式会社 | 導電性酸化物焼結体、これを用いたサーミスタ素子、及びこれを用いた温度センサ |
EP3434661B1 (en) * | 2011-03-11 | 2021-04-28 | Saint-Gobain Ceramics&Plastics, Inc. | Refractory object |
KR20140018935A (ko) | 2011-03-30 | 2014-02-13 | 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 | 내화성 물체, 유리 오버플로우 형성 블록, 및 내화성 물체를 형성하고 이용하는 방법 |
HUE046163T2 (hu) | 2012-01-11 | 2020-02-28 | Saint Gobain Ceramics | Tûzálló tárgy |
US10501373B1 (en) * | 2014-01-24 | 2019-12-10 | United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Multi-phase ceramic system |
EP3262011A4 (en) | 2015-02-24 | 2018-08-01 | Saint-Gobain Ceramics&Plastics, Inc. | Refractory article and method of making |
JP6298009B2 (ja) * | 2015-06-05 | 2018-03-20 | 日本特殊陶業株式会社 | セラミック基板及びセラミックパッケージ |
CN113087497A (zh) * | 2021-03-31 | 2021-07-09 | 广东工业大学 | 一种细晶强化氧化铝陶瓷材料及其制备方法和应用 |
CN116003109B (zh) * | 2022-12-05 | 2023-10-31 | 广东工业大学 | 一种高性能氧化铝陶瓷劈刀及其制备方法 |
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EP1053983A2 (en) * | 1999-05-19 | 2000-11-22 | NGK Spark Plug Company Limited | Translucent polycrystalline ceramic and method for making same |
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JPS5575967A (en) * | 1978-11-28 | 1980-06-07 | Ngk Spark Plug Co | Manufacture of alumina sintered body |
AT392064B (de) * | 1987-03-05 | 1991-01-25 | Olajipari Foevallalkozoe Es Te | Verfahren zur herstellung von keramischen aluminiumoxidgegenstaenden |
JP2951771B2 (ja) | 1991-09-26 | 1999-09-20 | 守 大森 | 希土類酸化物−アルミナ−シリカ焼結体およびその製造方法 |
JP3264106B2 (ja) * | 1993-11-12 | 2002-03-11 | 宇部興産株式会社 | セラミックス複合材料 |
EP0722919B1 (en) * | 1995-01-19 | 1999-08-11 | Ube Industries, Ltd. | Ceramic composite |
JP2001322009A (ja) * | 1999-12-28 | 2001-11-20 | Ngk Spark Plug Co Ltd | アルミナセラミックス切削工具およびその製造方法 |
US6410471B2 (en) * | 2000-03-07 | 2002-06-25 | Shin-Etsu Chemical Co., Ltd. | Method for preparation of sintered body of rare earth oxide |
US6620756B2 (en) * | 2001-06-20 | 2003-09-16 | Ues, Inc. | Ceramic matrix composite cutting tool material |
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2001
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EP1053983A2 (en) * | 1999-05-19 | 2000-11-22 | NGK Spark Plug Company Limited | Translucent polycrystalline ceramic and method for making same |
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US6753284B2 (en) | 2004-06-22 |
US20030027707A1 (en) | 2003-02-06 |
ES2553128T3 (es) | 2015-12-04 |
CA2394156C (en) | 2008-06-17 |
TWI243156B (en) | 2005-11-11 |
KR20030011561A (ko) | 2003-02-11 |
JP4723127B2 (ja) | 2011-07-13 |
JP2003034572A (ja) | 2003-02-07 |
EP1279650B1 (en) | 2015-09-30 |
CA2394156A1 (en) | 2003-01-23 |
EP1279650A1 (en) | 2003-01-29 |
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