SU1346630A1 - Charge for producing ceramic material - Google Patents
Charge for producing ceramic material Download PDFInfo
- Publication number
- SU1346630A1 SU1346630A1 SU864006779A SU4006779A SU1346630A1 SU 1346630 A1 SU1346630 A1 SU 1346630A1 SU 864006779 A SU864006779 A SU 864006779A SU 4006779 A SU4006779 A SU 4006779A SU 1346630 A1 SU1346630 A1 SU 1346630A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ceramic material
- resistance
- heat resistance
- charge
- producing ceramic
- Prior art date
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- Compositions Of Oxide Ceramics (AREA)
Abstract
Изобретение относитс к получению огнеупорных изделий на основе оксида циркони , работающих в услови х высоких температур с ее резкими перепадами, и направлено на повышение устойчивости к расплаву стали и термостойкости при сохранении механической прочности. Шихта дл получени керамического материала имеет состав, масЛ: ZrO 94,7-98,2; СаО 0,5-2,0; MgO 0,3-1,0; CdO 0,075-0,75; ; ,nO 0,15-1,5; 0,075-0,75. Материал имеет предел прочности при сжатии 600-750 МПа, термостойкость (t воды ) 40-45 теплосмен, степень размывани сталью (при 1450 С и скорости вращени образца 10 об,/ /мин в течение 20 мин) 0,06 - 0,07 мг/см мин. I табл. С сл 00 J: 05 а: 00The invention relates to the production of refractory products based on zirconium oxide, operating under conditions of high temperatures with its sharp drops, and is aimed at improving the resistance to molten steel and heat resistance while maintaining mechanical strength. The mixture to obtain a ceramic material has the composition, oil: ZrO 94.7-98.2; CaO 0.5-2.0; MgO 0.3-1.0; CdO 0.075-0.75; ; , nO 0.15-1.5; 0.075-0.75. The material has a compressive strength of 600-750 MPa, heat resistance (water t) 40-45 heat shifts, degree of steel washout (at 1450 C and sample rotation speed of 10 rev / min for 20 min) 0.06 - 0.07 mg / cm min. Table I From sl 00 J: 05 a: 00
Description
1 Изобретение относитс к промышленности материалов на основе диоксида циркони и может быть использовано дл изготовлени например, тиглей дл плавки металла.1 The invention relates to the zirconia-based materials industry and can be used to make, for example, crucibles for smelting metal.
Цель изобретени - повьппение устойчивости к расплаву стали и термостойкости при сохранении механичес- кой прочности.The purpose of the invention is to increase the resistance to the molten steel and heat resistance while maintaining mechanical strength.
Издели получают методом гор чего лить пластифицированных порошков . Дл этого шихту смешивают с 11-12% парафина и 0,8% олеиновой кисло.ты при 75 С в течение 4-5 ч, а затем отливают издели в металлические формы при избыточном давлении 3-4 атм. Издели сушат 1 сут в засыпке из технического глинозема, а затем подвергают обжигу при 1750°С. Products are produced by hot-molding plasticized powders. For this, the mixture is mixed with 11-12% paraffin and 0.8% oleic acid. At 75 ° C for 4-5 hours, and then the products are cast into metal molds at an overpressure of 3-4 atm. The products are dried for 1 day in the backfill of technical alumina, and then subjected to firing at 1750 ° C.
25/75 30/7025/75 30/70
20/8020/80
10/910/9
0,07 0,05 0,06 0,10.07 0.05 0.06 0.1
4242
600600
4545
750750
4040
620620
30thirty
600600
Примечание. Степень размыкани сталью определ ют динамическим способом при 1450°С и скорости вращени образца 10 об/мин в течение 20 мин.Note. The degree of opening by the steel is determined dynamically at 1450 ° C and the sample rotation speed of 10 rpm for 20 minutes.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864006779A SU1346630A1 (en) | 1986-01-08 | 1986-01-08 | Charge for producing ceramic material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU864006779A SU1346630A1 (en) | 1986-01-08 | 1986-01-08 | Charge for producing ceramic material |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1346630A1 true SU1346630A1 (en) | 1987-10-23 |
Family
ID=21216105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU864006779A SU1346630A1 (en) | 1986-01-08 | 1986-01-08 | Charge for producing ceramic material |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1346630A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130045856A1 (en) * | 2008-02-18 | 2013-02-21 | Norman Edward Rogers | Refractory slag band |
-
1986
- 1986-01-08 SU SU864006779A patent/SU1346630A1/en active
Non-Patent Citations (1)
Title |
---|
За вка JP № 54-90590, кл. С 04 В 35/48, 1979. Патент CII1A № 3887387, кл. 107-57, 1975. * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130045856A1 (en) * | 2008-02-18 | 2013-02-21 | Norman Edward Rogers | Refractory slag band |
US8809214B2 (en) * | 2008-02-18 | 2014-08-19 | Refractory Intellectual Property Gmbh & Co. Kg | Refractory slag band |
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