GB410988A - Process for the production of sintered bodies from metallic oxides - Google Patents
Process for the production of sintered bodies from metallic oxidesInfo
- Publication number
- GB410988A GB410988A GB20032/33A GB2003233A GB410988A GB 410988 A GB410988 A GB 410988A GB 20032/33 A GB20032/33 A GB 20032/33A GB 2003233 A GB2003233 A GB 2003233A GB 410988 A GB410988 A GB 410988A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grams
- acid
- added
- grain size
- litre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
A process for preparing sintered bodies from metallic oxides such as oxides of aluminium, beryllium, chromium, manganese, zirconium, magnesium or hafnium which are free from impurities especially clay and silicic acid by casting a paste which has been activated by acid, is characterized in that the concentration of the acid is regulated according to the grain size of the oxide such that a dilute acid is added to fine material and a more concentrated acid is added to coarser ground material. After moulding, the products are sintered at a temperature above 1600 DEG C. In examples (1) 30 grams of hydrochloric acid solution containing 7 grams acid to the litre are added to 70 grams of powder of grain size about 0,01 mm. (2) 35 grams of hydrochloric acid solution containing 17 grams acid to the litre are added to 65 grams of powder of grain size of 0,015 mm. (3) 35 grams of hydrochloric acid solution containing 105 grams acid to the litre are added to 65 grams of powder of grain size 0,025 mm.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE410988X | 1932-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB410988A true GB410988A (en) | 1934-05-31 |
Family
ID=6428221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20032/33A Expired GB410988A (en) | 1932-07-15 | 1933-07-14 | Process for the production of sintered bodies from metallic oxides |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB410988A (en) |
-
1933
- 1933-07-14 GB GB20032/33A patent/GB410988A/en not_active Expired
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