CN103058635B - Method for sintering ceramic for ceramic LED lamp - Google Patents
Method for sintering ceramic for ceramic LED lamp Download PDFInfo
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- CN103058635B CN103058635B CN201310005747.1A CN201310005747A CN103058635B CN 103058635 B CN103058635 B CN 103058635B CN 201310005747 A CN201310005747 A CN 201310005747A CN 103058635 B CN103058635 B CN 103058635B
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- ceramic
- sintering
- led lamp
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- 238000005245 sintering Methods 0.000 title claims abstract description 22
- 239000000919 ceramic Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 7
- XMFOQHDPRMAJNU-UHFFFAOYSA-N lead(ii,iv) oxide Chemical compound O1[Pb]O[Pb]11O[Pb]O1 XMFOQHDPRMAJNU-UHFFFAOYSA-N 0.000 claims abstract description 5
- QYEXBYZXHDUPRC-UHFFFAOYSA-N B#[Ti]#B Chemical compound B#[Ti]#B QYEXBYZXHDUPRC-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910033181 TiB2 Inorganic materials 0.000 claims abstract description 4
- 229910007948 ZrB2 Inorganic materials 0.000 claims abstract description 4
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052623 talc Inorganic materials 0.000 claims abstract description 4
- 235000012222 talc Nutrition 0.000 claims abstract description 4
- 239000000454 talc Substances 0.000 claims abstract description 4
- 239000011787 zinc oxide Substances 0.000 claims abstract description 4
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 229910000476 molybdenum oxide Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 229940035105 lead tetroxide Drugs 0.000 abstract 1
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 abstract 1
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a method for sintering ceramic for a ceramic LED lamp. Raw materials adopted in the invention comprise 30-58 parts by mass of alumina powder, 2-9 parts by mass of talcum, 12-32 parts by mass of lead tetroxide, 15-28 parts by mass of silicon carbide powder, 1-7 parts by mass of molybdena, 21-40 parts by mass of zinc oxide, 1-5 parts by mass of niobium pentoxide, 8-17 parts by mass of zirconium diboride, and 8-15 parts of titanium diboride. The method comprises the following steps: carrying out ball mill mixing of the raw materials for 1-2h, heating at a rate of 300-500DEG C/h, maintaining at 1200DEG C for 0.5-1.5h, cooling to 800DEG C at a rate of 500-600DEG C/h, maintaining the temperature under a pressure of 350-500MPa for 1-2h, heating to 1300-1500DEG C at a rate of 100-200DEG C/h, and carrying out vacuum sintering for 4-7h. The method has the advantages of pre-sintering and sintering time shortening, sintering temperature reduction, energy consumption reduction, effective improvement of the fracture toughness of the ceramic, unitary balance of the sintered ceramic, substantial waste reduction, and product quality improvement.
Description
Technical field
The present invention relates to a kind of ceramic LED lamp ceramic post sintering method.
Background technology
LED(photodiode) basic structure be an electroluminescent semiconductor material, be placed on a leaded shelf, then surrounding epoxy sealing, play protection internal core effect.LED light source have advantages of the low-voltage power supply of use, power consumption less, suitability is strong, stability is high, the time of response is short, environmentally safe, multicolor luminous etc., although the more existing illuminating equipment costliness of price will inevitably substitute existing illuminating device.The at present heat radiation of LED lamp be this technical field a great problem, in order to solve heat dissipation problem, little by little occur that stupalith substitutes the glass material of existing LED lamp, can realize better heat radiation.
Summary of the invention
The object of the present invention is to provide a kind of ceramic LED lamp ceramic post sintering method, can effectively solve fracture, distortion that existing ceramic post sintering occurs, the problem that scrap rate is high.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of ceramic LED lamp ceramic post sintering method, is characterized in that: adopt the mass parts of raw material to comprise: aluminum oxide powder 30～58, talcum 2～9, tri-lead tetroxide 12～32, carborundum powder 15～28, molybdenum oxide 1～7, zinc oxide 21～40, Niobium Pentxoxide 1～5, zirconium diboride 8～17, TiB2 8～15; Above-mentioned raw materials ball milling was mixed after 1～2 hour, with 300～500 ℃ of speed hourly, heat up, 1200 ℃ of insulations are after 0.5～1.5 hour, with 500～600 ℃ of speed hourly, be cooled to 800 ℃, under pressure 350～500MPa, be incubated 1～2 hour simultaneously, with 100～200 ℃ of speed hourly, be warming up to 1300～1500 ℃ again, vacuum sintering 4～7 hours.
The present invention, owing to having adopted technique scheme, has following beneficial effect:
Can shorten pre-burning and sintering time, reduce sintering temperature, greatly saved the energy and reduced energy consumption and environmental protection, reduced production cost, sinter fine and even product grains, density is high, and ceramic materials fracture toughness effectively improves, control well sintering warpage, the ceramic material entirety being sintered out is balanced, has greatly reduced waste product, has improved the quality of product.
Embodiment
A kind of ceramic LED lamp ceramic post sintering method, adopts the mass parts of raw material to comprise: aluminum oxide powder 30～58, talcum 2～9, tri-lead tetroxide 12～32, carborundum powder 15～28, molybdenum oxide 1～7, zinc oxide 21～40, Niobium Pentxoxide 1～5, zirconium diboride 8～17, TiB2 8～15; Above-mentioned raw materials ball milling was mixed after 1～2 hour, with 300～500 ℃ of speed hourly, heat up, 1200 ℃ of insulations are after 0.5～1.5 hour, with 500～600 ℃ of speed hourly, be cooled to 800 ℃, under pressure 350～500MPa, be incubated 1～2 hour simultaneously, with 100～200 ℃ of speed hourly, be warming up to 1300～1500 ℃ again, vacuum sintering 4～7 hours.
Following table is ceramic physicals and the mechanical experimental results that adopts the inventive method to make:
By aforesaid method, can shorten pre-burning and sintering time, reduce sintering temperature, greatly saved the energy and reduced energy consumption and environmental protection, reduced production cost, sinter fine and even product grains, density is high, and ceramic materials fracture toughness effectively improves, control well sintering warpage, the ceramic material entirety being sintered out is balanced, has greatly reduced waste product, has improved the quality of product.
These are only specific embodiments of the invention, but technical characterictic of the present invention is not limited to this.Any take the present invention as basis, for realizing essentially identical technique effect, done ground simple change, be equal to replacement or modification etc., be all covered by among protection scope of the present invention.
Claims (1)
1. a ceramic LED lamp ceramic post sintering method, it is characterized in that: in mass parts, the raw material of employing comprises: aluminum oxide powder 30～58, talcum 2～9, tri-lead tetroxide 12～32, carborundum powder 15～28, molybdenum oxide 1～7, zinc oxide 21～40, Niobium Pentxoxide 1～5, zirconium diboride 8～17, TiB2 8～15; Above-mentioned raw materials ball milling was mixed after 1～2 hour, with 300～500 ℃ of speed hourly, heat up, 1200 ℃ of insulations are after 0.5～1.5 hour, with 500～600 ℃ of speed hourly, be cooled to 800 ℃, under pressure 350～500MPa, be incubated 1～2 hour simultaneously, with 100～200 ℃ of speed hourly, be warming up to 1300～1500 ℃ again, vacuum sintering 4～7 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310005747.1A CN103058635B (en) | 2013-01-07 | 2013-01-07 | Method for sintering ceramic for ceramic LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310005747.1A CN103058635B (en) | 2013-01-07 | 2013-01-07 | Method for sintering ceramic for ceramic LED lamp |
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| CN103058635A CN103058635A (en) | 2013-04-24 |
| CN103058635B true CN103058635B (en) | 2014-04-16 |
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| CN201310005747.1A Expired - Fee Related CN103058635B (en) | 2013-01-07 | 2013-01-07 | Method for sintering ceramic for ceramic LED lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105152654A (en) * | 2015-08-03 | 2015-12-16 | 佛山蓝途科技有限公司 | Ceramic material for high-temperature-resistant components and preparation method of ceramic material |
| CN106834867B (en) * | 2016-12-16 | 2018-08-10 | 艾文斯（焦作）冶金材料有限责任公司 | A kind of modified metal-ceramic material and preparation method thereof |
| CN111410538A (en) * | 2020-05-08 | 2020-07-14 | 潍坊工商职业学院 | Toughened silicon carbide ceramic and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078709A (en) * | 1992-05-18 | 1993-11-24 | 中国科学院上海硅酸盐研究所 | The low-temperature sintering of high alumina ceramic |
| US20070057364A1 (en) * | 2005-09-01 | 2007-03-15 | Wang Carl B | Low temperature co-fired ceramic (LTCC) tape compositions, light emitting diode (LED) modules, lighting devices and method of forming thereof |
| CN202282382U (en) * | 2011-09-22 | 2012-06-20 | 江苏盛业光电科技有限公司 | Ceramic LED product |
-
2013
- 2013-01-07 CN CN201310005747.1A patent/CN103058635B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078709A (en) * | 1992-05-18 | 1993-11-24 | 中国科学院上海硅酸盐研究所 | The low-temperature sintering of high alumina ceramic |
| US20070057364A1 (en) * | 2005-09-01 | 2007-03-15 | Wang Carl B | Low temperature co-fired ceramic (LTCC) tape compositions, light emitting diode (LED) modules, lighting devices and method of forming thereof |
| CN202282382U (en) * | 2011-09-22 | 2012-06-20 | 江苏盛业光电科技有限公司 | Ceramic LED product |
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| CN103058635A (en) | 2013-04-24 |
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