GB550110A - Improvements in or relating to metal working - Google Patents
Improvements in or relating to metal workingInfo
- Publication number
- GB550110A GB550110A GB775841A GB775841A GB550110A GB 550110 A GB550110 A GB 550110A GB 775841 A GB775841 A GB 775841A GB 775841 A GB775841 A GB 775841A GB 550110 A GB550110 A GB 550110A
- Authority
- GB
- United Kingdom
- Prior art keywords
- temperature
- forging
- working
- aluminium
- rapidly
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
550,110. Altering physical or molecular structure. NORTHERN ALUMINIUM CO., Ltd., and HOWITT, F. June 19, 1941, No. 7758. [Class 83 (iv)] Aluminium or magnesium alloy stock is prepared for forging by initially working it at a temperature well below the forging range to such an extent that the grain size, after increasing, has begun to decrease. The temperature is preferably ordinary room temperature and, after working, the stock is rapidly heated to forging temperature, e.g. in a nitrate, molten metal or oil bath, or in rapidly circulated hot air. For an aluminium alloy piston, the billet may be hammered at room temperature to reduce its length 50 per cent or more, heated to 400‹ C.- 450‹ C., and forged. The forging may then be rapidly reheated, e.g. to 490‹. C.-520‹ C., and soaked at this temperature or at a lower one. Instead of hammering, the working may be effected by rolling, drawing, extrusion, &c.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB775841A GB550110A (en) | 1941-06-19 | 1941-06-19 | Improvements in or relating to metal working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB775841A GB550110A (en) | 1941-06-19 | 1941-06-19 | Improvements in or relating to metal working |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB550110A true GB550110A (en) | 1942-12-23 |
Family
ID=9839151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB775841A Expired GB550110A (en) | 1941-06-19 | 1941-06-19 | Improvements in or relating to metal working |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB550110A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872363A (en) * | 1948-07-14 | 1959-02-03 | Robert E Macherey | Method of working beryllium |
-
1941
- 1941-06-19 GB GB775841A patent/GB550110A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872363A (en) * | 1948-07-14 | 1959-02-03 | Robert E Macherey | Method of working beryllium |
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