GB838091A - Production of sheet material - Google Patents
Production of sheet materialInfo
- Publication number
- GB838091A GB838091A GB258/50A GB25850A GB838091A GB 838091 A GB838091 A GB 838091A GB 258/50 A GB258/50 A GB 258/50A GB 25850 A GB25850 A GB 25850A GB 838091 A GB838091 A GB 838091A
- Authority
- GB
- United Kingdom
- Prior art keywords
- beryllium
- powdered
- jan
- boron
- heated
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
Abstract
838,091. Moulding powdered materials, e.g. metals and metal oxides. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. Jan. 5, 1951 [Jan. 5, 1950], No. 258/50. Class 87(2). [Also in Group II] A sheet or disc, e.g. a window for an X-ray tube, is moulded from e.g. powdered beryllium, boron, alumina, beryllia, magnesia or a mixture of iron, nickel and cobalt, by pressing the powdered material whilst confining its lateral surfaces by a deformable metal, e.g. soft iron or tungsten, strip 5. Layers 4 of beryllium formedas a paste with paraffin are placed between "Nimonic" (Registered Trade Mark) plates 2 coated with colloidal graphite and the whole pressed in a hydraulic press. The beryllium is heated in the press to 800C. by elements 3. Refractory oxides may be placed between graphite discs and heated in a high-frequency furnace. Boron may be cold pressed and subsequently sintered. Sheets may be hot or cold pressed between rollers with wires preventing the lateral spread of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB258/50A GB838091A (en) | 1950-01-05 | 1950-01-05 | Production of sheet material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB258/50A GB838091A (en) | 1950-01-05 | 1950-01-05 | Production of sheet material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB838091A true GB838091A (en) | 1960-06-22 |
Family
ID=9701202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB258/50A Expired GB838091A (en) | 1950-01-05 | 1950-01-05 | Production of sheet material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB838091A (en) |
-
1950
- 1950-01-05 GB GB258/50A patent/GB838091A/en not_active Expired
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