BRPI0605383A - composições para susceptores externos e susceptores externos para sinterização de cerámicas em microondas - Google Patents
composições para susceptores externos e susceptores externos para sinterização de cerámicas em microondasInfo
- Publication number
- BRPI0605383A BRPI0605383A BRPI0605383A BRPI0605383A BR PI0605383 A BRPI0605383 A BR PI0605383A BR PI0605383 A BRPI0605383 A BR PI0605383A BR PI0605383 A BRPI0605383 A BR PI0605383A
- Authority
- BR
- Brazil
- Prior art keywords
- susceptors
- external
- compositions
- microwave
- heating
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/04—Heating using microwaves
- H05B2206/046—Microwave drying of wood, ink, food, ceramic, sintering of ceramic, clothes, hair
Abstract
"COMPOSIçõES PARA SUSCEPTORES EXTERNOS E SUSCEPTORES EXTERNOS PARA SINTERIZAçãO DE CERáMICAS EM MICROONDAS". São descritos composições e susceptores externos utilizados como agentes auxiliares de aquecimento na sinterização de cerâmicas em microondas nas freqüências de 2,45GHz e 912MHz, ditos susceptores sendo baseados em misturas de aluminatos de cálcio e/ou aluminatos de cálcio e fases de SiC e/ou ZrO¬ 2¬ e/ou AlN, em ambos os casos com proporções específicas, sendo utilizados após cura do material cimentante ou após cura e queima em determinados tempos e temperaturas, e apresentando como principais características, alta capacidade de aquecimento quando da exposição às microondas, elevada estabilidade estrutural em altas temperaturas e resistência à degradação das propriedades de aquecimento quando da exposição às microondas mesmo após vários ciclos de aquecimento. O uso dos susceptores permite a obtenção de cerâmicas com densidades superiores a 98% da densidade teórica em ciclos de queima inferiores a 30min.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0605383 BRPI0605383A (pt) | 2006-12-27 | 2006-12-27 | composições para susceptores externos e susceptores externos para sinterização de cerámicas em microondas |
PCT/BR2007/000361 WO2008077224A2 (en) | 2006-12-27 | 2007-12-27 | Compositions for external susceptors and external susceptors for the sintering of ceramics by microwaves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0605383 BRPI0605383A (pt) | 2006-12-27 | 2006-12-27 | composições para susceptores externos e susceptores externos para sinterização de cerámicas em microondas |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0605383A true BRPI0605383A (pt) | 2008-08-19 |
Family
ID=39562983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0605383 BRPI0605383A (pt) | 2006-12-27 | 2006-12-27 | composições para susceptores externos e susceptores externos para sinterização de cerámicas em microondas |
Country Status (2)
Country | Link |
---|---|
BR (1) | BRPI0605383A (pt) |
WO (1) | WO2008077224A2 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011077172A1 (de) * | 2011-06-08 | 2012-12-13 | Areva Np Gmbh | Mikrowellenofen |
US10189057B2 (en) | 2016-07-08 | 2019-01-29 | General Electric Company | Powder removal enclosure for additively manufactured components |
US10598438B2 (en) | 2016-07-27 | 2020-03-24 | General Electric Company | Support fixture |
FR3058138B1 (fr) | 2016-10-28 | 2019-02-01 | Centre National De La Recherche Scientifique | Procede de traitement thermique d’une piece en materiau ceramique par micro-ondes |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4219361A (en) * | 1978-06-09 | 1980-08-26 | Special Metals Corporation | Method of improving the susceptibility of a material to microwave energy heating |
CA2001062A1 (en) * | 1989-10-19 | 1991-04-19 | Prasad Shrikrishna Apte | Method of heat-treating unstable ceramics by microwave heating and susceptors used therefor |
CA2124093C (en) * | 1994-03-31 | 2001-04-17 | Prasad S. Apte | Microwave sintering process |
-
2006
- 2006-12-27 BR BRPI0605383 patent/BRPI0605383A/pt not_active Application Discontinuation
-
2007
- 2007-12-27 WO PCT/BR2007/000361 patent/WO2008077224A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2008077224A3 (en) | 2008-08-14 |
WO2008077224A2 (en) | 2008-07-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B03A | Publication of an application: publication of a patent application or of a certificate of addition of invention | ||
B07A | Technical examination (opinion): publication of technical examination (opinion) | ||
B09B | Decision: refusal | ||
B09B | Decision: refusal |