RU2358924C2 - Ceramic materials, abrasive particles and articles and methods of obtaining and using thereof - Google Patents
Ceramic materials, abrasive particles and articles and methods of obtaining and using thereof Download PDFInfo
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- RU2358924C2 RU2358924C2 RU2004103083/03A RU2004103083A RU2358924C2 RU 2358924 C2 RU2358924 C2 RU 2358924C2 RU 2004103083/03 A RU2004103083/03 A RU 2004103083/03A RU 2004103083 A RU2004103083 A RU 2004103083A RU 2358924 C2 RU2358924 C2 RU 2358924C2
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- amorphous material
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- 239000002245 particle Substances 0.000 title claims abstract 32
- 238000000034 method Methods 0.000 title claims abstract 9
- 229910010293 ceramic material Inorganic materials 0.000 title 1
- 239000002241 glass-ceramic Substances 0.000 claims abstract 28
- 239000000463 material Substances 0.000 claims abstract 26
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract 22
- 150000004706 metal oxides Chemical class 0.000 claims abstract 22
- 238000002425 crystallisation Methods 0.000 claims abstract 4
- 239000011521 glass Substances 0.000 claims 46
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 13
- 238000010438 heat treatment Methods 0.000 claims 10
- 229910005793 GeO 2 Inorganic materials 0.000 claims 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims 8
- 230000009477 glass transition Effects 0.000 claims 7
- 238000004519 manufacturing process Methods 0.000 claims 5
- 239000000919 ceramic Substances 0.000 claims 4
- 238000001816 cooling Methods 0.000 claims 4
- 239000000047 product Substances 0.000 claims 4
- 230000008025 crystallization Effects 0.000 claims 3
- 238000004581 coalescence Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 8
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- 229910052593 corundum Inorganic materials 0.000 abstract 3
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 3
- GOLCXWYRSKYTSP-UHFFFAOYSA-N Arsenious Acid Chemical compound O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 abstract 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 abstract 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 abstract 2
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 abstract 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 abstract 2
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 abstract 2
- 229910011255 B2O3 Inorganic materials 0.000 abstract 1
- 229910003069 TeO2 Inorganic materials 0.000 abstract 1
- 239000003082 abrasive agent Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- LAJZODKXOMJMPK-UHFFFAOYSA-N tellurium dioxide Chemical compound O=[Te]=O LAJZODKXOMJMPK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
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Abstract
FIELD: chemistry.
SUBSTANCE: amorphous material contains at least 35 wt % of Al2O3 whereat the percentage composition is determined from the general weight of amorphous material and at least one of the following metal oxides Y2O3, REO, ZrO2, TiO2, CaO, Cr2O3, MgO or CuO. The total share of As2O3, B2O3, GeO2, P2O5, SiO2, TeO2 and V2O5 does not exceeds 10 wt % with all being given in relation to the total mass of the amorphous material. Amorphous material dimensions along the orthogonal axes x, y and z are at least 5 mm. If oxide other than Al2O3 is CaO or ZrO2 the amorphous material contains additionally the metal oxide other than Al2O3, CaO or ZrO2 and in case of amorphous material crystallisation at least part of the said oxide is separate crystalline phase. If the metal oxide is CaO its content is not more than 25 wt % in relation to the total mass of the amorphous material. The method includes obtaining of amorphous particles and their following thermic treatment for glass-ceramics obtaining.
EFFECT: obtaining of abrasive materials with improved mechanical properties by less expensive and more economical way.
18 cl, 65 ex, 12 tbl, 19 dwg
Description
Claims (18)
термообработку частиц, содержащих аморфный материал по пп.1-3, при этом по меньшей мере часть аморфного материала заменена стеклокерамикой, и получение абразивных частиц, включающих стеклокерамику.7. A method of producing abrasive particles, comprising the following operations:
heat treating particles containing an amorphous material according to claims 1 to 3, wherein at least a portion of the amorphous material is replaced by glass ceramics, and obtaining abrasive particles including glass ceramics.
изготовление стеклянных частиц с температурой стеклования Tg, содержащих по меньшей мере 35 мас.% Al2О3, при этом процентное содержание определяется от общей массы стекла, и по меньшей мере один из оксидов металла Y2О3, REO, ZrO2, TiO2, СаО, Cr2О3, MgO или CuO, причем не более 10 мас.% общей массы стекла приходятся на совокупную долю As2O3, В2O3, GeO2, Р2O5, SiO2, TeO2 и V2O5;
нагревание стеклянных частиц до температуры выше Tg, чтобы в результате коалесценции стеклянные частицы приняли требуемую форму, и
охлаждение сформованных частиц для получения конечного изделия, и, если оксид металла представляет собой СаО, то стекло дополнительно содержит оксид металла, отличный от Al2О3 или СаО, по меньшей мере часть которого образует отдельную кристаллическую фазу в случае кристаллизации стекла.8. A method of obtaining an article comprising an amorphous material according to claims 1 to 3, having a glass transition temperature, including the following operations:
the manufacture of glass particles with a glass transition temperature T g containing at least 35 wt.% Al 2 O 3 , the percentage being determined by the total weight of the glass, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, with no more than 10 wt.% Of the total mass of glass being the combined share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 ;
heating the glass particles to a temperature above T g so that, as a result of coalescence, the glass particles take the desired shape, and
cooling the formed particles to obtain the final product, and if the metal oxide is CaO, the glass further comprises a metal oxide other than Al 2 O 3 or CaO, at least part of which forms a separate crystalline phase in the case of crystallization of the glass.
Al2O3, CaO и ZrO2, по меньшей мере часть которого составляет отдельную кристаллическую фазу в случае кристаллизации стекла, а если оксид металла представляет собой CaO, то CaO присутствует в количестве максимум 25 мас.% от общей массы стекла.9. Glass containing at least 35 wt.% Al 2 O 3 , wherein the percentage is determined by the total weight of the glass, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, and not more than 10 wt.% Of the total mass of glass fall on the combined share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 , characterized in that the dimensions of the glass along the mutually perpendicular axes x, y and z are at least 5 mm, and if the metal oxide is CaO or ZrO 2 , the glass further comprises a metal oxide other than
Al 2 O 3 , CaO and ZrO 2 , at least part of which is a separate crystalline phase in the case of crystallization of glass, and if the metal oxide is CaO, then CaO is present in an amount of a maximum of 25 wt.% Of the total weight of the glass.
дробление стеклокерамики для образования стеклокерамических абразивных частиц.11. A method of producing abrasive particles, including heat treatment of glass according to claim 9, while at least part of the glass is replaced by glass ceramics; and
glass ceramic crushing to form glass ceramic abrasive particles.
В2О3, GeO2, P2O5, SiO2, TeO2 и V2O5, при этом процентное содержание определяется от общей массы стеклокерамики, размеры стеклокерамики по взаимно перпендикулярным осям х, у и z составляют по меньшей мере 5 мм, если оксид металла представляет собой CaO, то стеклокерамика дополнительно содержит кристаллы оксида металла, отличного от CaO, a CaO присутствует в количестве максимум 25 мас.% стеклокерамики (процентное содержание определяется от общей массы стекла).13. Glass ceramics containing at least 35 wt.% Al 2 O 3 , wherein the percentage is determined by the total mass of glass ceramics, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, and not more than 10 wt.% Glass ceramics accounted for the total share of As 2 O 3 ,
In 2 About 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 , the percentage is determined by the total mass of glass ceramics, the dimensions of the glass ceramics along the mutually perpendicular axes x, y and z are at least 5 mm, if the metal oxide is CaO, the glass ceramic additionally contains crystals of a metal oxide other than CaO, and CaO is present in an amount of a maximum of 25 wt.% glass ceramic (the percentage is determined by the total weight of the glass).
изготовление стеклянных частиц, содержащих по меньшей мере 35 мас.% Al2O3, при этом процентное содержание определяется от общей массы стекла, и по меньшей мере один из оксидов металла Y2О3, REO, ZrO2, TiO2, CaO, Cr2О3, MgO или CuO, причем не более 10 мас.% общей массы стекла с температурой стеклования Tg приходятся на совокупную долю As2O3, В2О3, GeO2, P2O5, SiO2, TeO2 и V2O5;
нагревание стеклянных частиц до температуры выше Tg, чтобы стеклянные частицы коалесцировали до получения требуемой формы, причем стекло содержит по меньшей мере 35 мас.% Al2О3, при этом процентное содержание определяется от общей массы стекла, и по меньшей мере один из оксидов металла Y2О3, REO, ZrO2, TiO2, CaO, Cr2О3, MgO или CuO, причем не более 10 мас.% общей массы стекла приходятся на совокупную долю As2O3, В2O3, GeO2, P2O5, SiO2, TeO2 и V2O5, стекло имеет температуру стеклования Tg, и если оксид металла представляет собой ZrO2, то стекло дополнительно содержит по меньшей мере один из оксидов Y2O3 или REO;
охлаждение сформованной массы для получения стеклянного изделия и термообработка стеклянного изделия для получения стеклокерамического изделия.16. A method of manufacturing a glass-ceramic product, comprising the following operations:
the manufacture of glass particles containing at least 35 wt.% Al 2 O 3 , wherein the percentage is determined by the total weight of the glass, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, and not more than 10 wt.% Of the total mass of glass with a glass transition temperature T g account for the combined share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 ;
heating the glass particles to a temperature above T g so that the glass particles coalesce to obtain the desired shape, the glass containing at least 35 wt.% Al 2 O 3 , the percentage being determined by the total weight of the glass and at least one of the oxides metal Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, with no more than 10 wt.% of the total mass of glass accounted for by the combined share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 , the glass has a glass transition temperature T g , and if the metal oxide is ZrO 2 , then the glass additionally contains at least one of the oxides Y 2 O 3 or REO;
cooling the molded mass to produce a glass product; and heat treating the glass product to produce a glass ceramic product.
объединение (а) стеклянных частиц с температурой стеклования Tg, содержащих по меньшей мере 35 мас.% Al2О3, при этом процентное содержание определяется от общей массы стекла, и по меньшей мере один из оксидов металла Y2O3, REO, ZrO2, TiO2, CaO, Cr2О3, MgO или CuO, причем не более 10 мас.% общей массы стекла приходятся на совокупную долю As2O3, В2О3, GeO2, P2O5, SiO2, TeO2 и Y2О3, и (b) огнеупорных частиц;
нагревание стеклянных частиц до температуры выше Tg для их коалесцирования; и
охлаждение стекла для получения керамики.17. A method of producing ceramics, comprising the following operations:
the combination of (a) glass particles with a glass transition temperature T g containing at least 35 wt.% Al 2 O 3 , wherein the percentage is determined by the total weight of the glass, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, and not more than 10 wt.% Of the total mass of glass are in the total share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and Y 2 O 3 , and (b) refractory particles;
heating glass particles to a temperature above T g to coalesce them; and
glass cooling to obtain ceramics.
объединение (а) стеклянных частиц с температурой стеклования Tg, содержащих по меньшей мере 35 мас.% Al2О3, при этом процентное содержание определяется от общей массы стекла, и по меньшей мере один из оксидов металла Y2О3, REO, ZrO2, TiO2, CaO, Cr2O3, MgO или CuO, причем не более 10 мас.% общей массы стекла приходятся на совокупную долю As2O3, В2O3, GeO2, Р2O5, SiO2, TeO2 и V2O5, и (b) огнеупорных частиц;
нагревание стеклянных частиц до температуры выше Tg для коалесцирования стеклянных частиц;
охлаждение стекла для получения керамики; и
термообработка стекла, входящего в керамику, для получения стеклокерамики. 18. A method of producing glass ceramics, comprising the following operations:
the combination of (a) glass particles with a glass transition temperature T g containing at least 35 wt.% Al 2 O 3 , wherein the percentage is determined by the total weight of the glass, and at least one of the metal oxides Y 2 O 3 , REO, ZrO 2 , TiO 2 , CaO, Cr 2 O 3 , MgO or CuO, and not more than 10 wt.% Of the total mass of glass are in the total share of As 2 O 3 , B 2 O 3 , GeO 2 , P 2 O 5 , SiO 2 , TeO 2 and V 2 O 5 , and (b) refractory particles;
heating the glass particles to a temperature above T g to coalesce the glass particles;
glass cooling to obtain ceramics; and
heat treatment of glass included in ceramics to obtain glass ceramics.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92253001A | 2001-08-02 | 2001-08-02 | |
| US92252601A | 2001-08-02 | 2001-08-02 | |
| US92252701A | 2001-08-02 | 2001-08-02 | |
| US09/922,528 | 2001-08-02 | ||
| US09/922,527 | 2001-08-02 | ||
| US09/922,526 | 2001-08-02 | ||
| US09/922,530 | 2001-08-02 |
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| Publication Number | Publication Date |
|---|---|
| RU2004103083A RU2004103083A (en) | 2005-06-27 |
| RU2358924C2 true RU2358924C2 (en) | 2009-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| RU2004103083/03A RU2358924C2 (en) | 2001-08-02 | 2002-08-02 | Ceramic materials, abrasive particles and articles and methods of obtaining and using thereof |
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| RU (1) | RU2358924C2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457767A (en) * | 1983-09-29 | 1984-07-03 | Norton Company | Alumina-zirconia abrasive |
| RU2148569C1 (en) * | 1995-11-29 | 2000-05-10 | Сент-Гобэн Индастриал Керамикс, Инк. | Method of rapid cooling of molten ceramic material |
-
2002
- 2002-08-02 RU RU2004103083/03A patent/RU2358924C2/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4457767A (en) * | 1983-09-29 | 1984-07-03 | Norton Company | Alumina-zirconia abrasive |
| RU2148569C1 (en) * | 1995-11-29 | 2000-05-10 | Сент-Гобэн Индастриал Керамикс, Инк. | Method of rapid cooling of molten ceramic material |
Non-Patent Citations (1)
| Title |
|---|
| КРЮЧКОВ В.А. и др. Керамика Al 2 O 3 -ZrO 2 из порошков, полученных методом высокоскоростного затвердевания из расплава. - Огнеупоры, 1989, №6, с.19-22. * |
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