DE358598C - Process for rolling magnesium alloys of the electron metal type - Google Patents
Process for rolling magnesium alloys of the electron metal typeInfo
- Publication number
- DE358598C DE358598C DEC28265D DEC0028265D DE358598C DE 358598 C DE358598 C DE 358598C DE C28265 D DEC28265 D DE C28265D DE C0028265 D DEC0028265 D DE C0028265D DE 358598 C DE358598 C DE 358598C
- Authority
- DE
- Germany
- Prior art keywords
- rolling
- magnesium alloys
- metal type
- electron metal
- rolling magnesium
- 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
- 238000005096 rolling process Methods 0.000 title claims description 11
- 229910000678 Elektron (alloy) Inorganic materials 0.000 title claims description 5
- 229910000861 Mg alloy Inorganic materials 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Description
Verfahren zum Walzen von Magnesiumlegierungen von der Art des Elektronmetalls. Das Auswalzen von Walzplatten oder Barren aus Elektronmetall, d. h. von Legierungen von Magnesium mit geringen Gehalten an Zink oder Aluminium oder beidem, ergibt, trenn es unter gleichen Bedingungen wie bei dem metallurgisch dem Magnesium nahestelienden Aluminium ausgeführt wird, bisweilen gute, meist aber sehr schlechte Ergebnisse; bei .der Erzeugung von Blechen tritt nämlich meist ein Zerbrechen des Materials ungefähr parallel zur Walzenachse ein bzw. ein allgemeines Rissigwerden.Process for rolling magnesium alloys of the electron metal type. The rolling of slabs or billets of electron metal, i. H. of alloys of magnesium with low levels of zinc or aluminum or both, results in separate it under the same conditions as with the metallurgically similar one to magnesium Aluminum performs sometimes good, but mostly very bad results; In the case of sheet metal production, the material usually breaks approximately parallel to the roll axis or a general cracking.
Versuche haben ergeben, daß für das Walzen von Magnesiumlegierungen obengenannter Art mehr als für irgendein anderes Metall erforderlich ist, auf genaue Einhaltung der Walztemperatur zu sehen. Insbesondere hat sich gezeigt, daß eine gute Verwaltung, vom Barren bis zum dünnen Blech, voraussetzt, daß das Walzgut in Wärmeöfen auf 22o bis 25o° völlig durchwärmt wird und wiederholt, je nach .der Stärke des Walzbleches nach einer gewissen Anzahl von Stichen, wieder in den Wärmeofen gebracht wird. Die Temperatur des Wärmeofens hält man praktisch, um die Durchwärmung und die notwendige Rekristallisation des 'Metalls zu beschleunigen, auf einer wesentlich höheren Temperatur, etwa um 4oo°. Das etwas überhitzte Walzgut läßt man dann an der Luft abkühlen; mit Hilfe eines akustischen Verfahrens ermittelt man darauf den Eintritt des richtigen Walztemperaturbereichs. Dieses Verfahren beruht darauf, daß :der Klang der zubeißen Stücke beim Aufschlagen auf den Walztisch zunächst »hölzern« ist, bei Erreichung der richtigen Walztemperatur aber metallisch wird.Tests have shown that for the rolling of magnesium alloys of the above type more than is required for any other metal, in an exact manner Observance of the rolling temperature can be seen. In particular, it has been shown that a Good management, from ingots to thin sheet metal, requires that the rolling stock is in Heating ovens to 22o to 25o ° are heated completely and repeated, depending on the strength of the rolled sheet after a certain number of passes back into the heating furnace is brought. The temperature of the heating furnace is kept practically in order to ensure that it is thoroughly heated and to accelerate the necessary recrystallization of the 'metal, on a substantial basis higher temperature, around 400 °. The slightly overheated rolling stock is then started to cool the air; with the help of an acoustic method, the Entry of the correct rolling temperature range. This method is based on the fact that : the sound of the biting pieces when hitting the roller table is initially "wooden" is, but becomes metallic when the correct rolling temperature is reached.
Das Erfordernis der genauen Temperatureinhaltung beim Walzen von Elektronmetall ist um so weniger zu erwarten gewesen, als Reinmagnesium bei jeder Temperatur sich walzen läßt, um so leichter, je höher die Temperatur ist.The requirement of precise temperature maintenance when rolling electron metal was all the less to be expected as pure magnesium was found at any temperature can be rolled, the easier the higher the temperature.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC28265D DE358598C (en) | 1919-08-22 | 1919-08-22 | Process for rolling magnesium alloys of the electron metal type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEC28265D DE358598C (en) | 1919-08-22 | 1919-08-22 | Process for rolling magnesium alloys of the electron metal type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE358598C true DE358598C (en) | 1922-09-12 |
Family
ID=7018595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEC28265D Expired DE358598C (en) | 1919-08-22 | 1919-08-22 | Process for rolling magnesium alloys of the electron metal type |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE358598C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004023885A1 (en) * | 2004-05-12 | 2005-12-08 | Muhr Und Bender Kg | Flexible rolling of light metals |
-
1919
- 1919-08-22 DE DEC28265D patent/DE358598C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004023885A1 (en) * | 2004-05-12 | 2005-12-08 | Muhr Und Bender Kg | Flexible rolling of light metals |
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