SU147126A1 - Method of making refractory products - Google Patents
Method of making refractory productsInfo
- Publication number
- SU147126A1 SU147126A1 SU722442A SU722442A SU147126A1 SU 147126 A1 SU147126 A1 SU 147126A1 SU 722442 A SU722442 A SU 722442A SU 722442 A SU722442 A SU 722442A SU 147126 A1 SU147126 A1 SU 147126A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- refractory products
- making refractory
- making
- cryolite
- boron carbide
- Prior art date
Links
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- Ceramic Products (AREA)
Description
Известен способ изготовлени огнеунорных изделий на основе карбида бора. Однако известный способ не обеспечивает получени огнеупорных изделий, стойких против действи расплавленных металлов и сплавов, криолита и стекол.A known method for making boron carbide refractory products. However, the known method does not provide refractory products resistant to the action of molten metals and alloys, cryolite and glasses.
Предложенный способ лишен указанного недостатка; он отличаетс от известного тем, что огнеупорные издели изготавливают в виде прессованных заготовок из порошка карбида бора, пластифицированного добавкой декстрина или бакелитового лака с последуюш,им обжигом до спекани в атмосфере очиш.енного азота при температуре 1800-1900 .The proposed method is devoid of the specified disadvantage; It differs from the well-known fact that refractory products are made in the form of pressed blanks from boron carbide powder, plasticized with the addition of dextrin or bakelite varnish and subsequently calcined before sintering in a clean nitrogen atmosphere at a temperature of 1800-1900.
Получаемые предложенным способом огнеупорные издели состо т из нитрида бора и графита и имеют повышенную стойкость против расплавленных металлов и сплавов, криолита и стекол. Они могут быть использованы в производстве алюмини электролизом расплавленных сред, дл изготовлени чехлов термопар дл замеров температуры криолитовых расплавов, дл изготовлени сливных носков миксеров и т. п. огнеупорных изделий.The refractory products obtained by the proposed method consist of boron nitride and graphite and have increased resistance against molten metals and alloys, cryolite and glasses. They can be used in the production of aluminum by the electrolysis of molten media, for making covers of thermocouples for measuring the temperature of cryolite melts, for making drain socks for mixers, etc. of refractory products.
Предмет изобретени Subject invention
Способ изготовлени огнеупорных изделий на основе карбида бора, отличающийс тем, что, с целью повышени их стойкости против расплавленных металлов и сплавов, криолита и стекол, таковые изготавливают в виде прессованных заготовок из порошка карбида бора, пластифицированного добавкой декстрина или бакелитового лака с последующим обжигом до спекани в атмосфере очищенного азота при температуре 1800-1900°.A method of manufacturing boron carbide refractory products, characterized in that, in order to increase their resistance against molten metals and alloys, cryolite and glasses, they are made in the form of pressed blanks of boron carbide powder plasticized with the addition of dextrin or bakelite varnish with subsequent roasting to sintering in an atmosphere of purified nitrogen at a temperature of 1800-1900 °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU722442A SU147126A1 (en) | 1961-03-21 | 1961-03-21 | Method of making refractory products |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU722442A SU147126A1 (en) | 1961-03-21 | 1961-03-21 | Method of making refractory products |
Publications (1)
Publication Number | Publication Date |
---|---|
SU147126A1 true SU147126A1 (en) | 1961-11-30 |
Family
ID=48302526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU722442A SU147126A1 (en) | 1961-03-21 | 1961-03-21 | Method of making refractory products |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU147126A1 (en) |
-
1961
- 1961-03-21 SU SU722442A patent/SU147126A1/en active
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