DE868522C - Process for the production of pure metal sheet - Google Patents
Process for the production of pure metal sheetInfo
- Publication number
- DE868522C DE868522C DEF5411A DEF0005411A DE868522C DE 868522 C DE868522 C DE 868522C DE F5411 A DEF5411 A DE F5411A DE F0005411 A DEF0005411 A DE F0005411A DE 868522 C DE868522 C DE 868522C
- Authority
- DE
- Germany
- Prior art keywords
- production
- metal sheet
- pure metal
- metals
- rolling
- 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
- B22F3/18—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by using pressure rollers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Description
Verfahren zur Herstellung von Reinstmetallblech Die bi-sher bekanntgewordenen Verfahren zur Herstellung reinsterMetalle sind vielfach umständlich und unsicher in ihrer Handhabung. So ist z. B. eine Schwierigkeit -bei der Herstellung von Bändern aus Elektrolytl<upfer (darin zu isehe#n, daß die Herstellung des als Vormaterial dienenden Gußblockes nur unter außerordentlich schwierigen Umständen sauerstofffrei zu bmerkstelligen ist. Bekanntlich setzen aber selbst Spuren von Sauerstoff im Kupfer die Leitfähigkeit desselben um beträchtliche Werte herab. Ebenso ist -die Herstellung etwa von Wolf.-ra;mblechen infolge der Schwierigkeiten, die sich durch den außerordentlich hohen Schmelzpunkt des Wolframs ergeben, nicht einfach. Die Herstellung von Eisenbändern aus Reinsteisen ist wegen. der großen Neigung des Eisens zur Oxydation nur nach dem bis-her bekanntenVerfahren im Vakuum durchführbar. So bietet allgemein die Herstellung von Blechen aus Reinstmetallen Schwierigkeiten bei jedem Arbeitsvorgang.Process for the production of high-purity metal sheet The ones that have become known until now Processes for the production of the purest metals are often cumbersome and unsafe in their handling. So is z. B. One difficulty - in the production of tapes from electrolyte copper (it can be seen that the production of the as a starting material The casting block used is oxygen-free only under extremely difficult circumstances is to be noted. As is well known, however, there are even traces of oxygen in the copper the conductivity of the same by considerable values. Production is the same about von Wolf.-ra; mblechen as a result of the difficulties which arise from the extraordinarily result in a high melting point of tungsten, not easy. The manufacture of iron bands Reinsteisen is because of. only after the great tendency of iron to oxidize the previously known method can be carried out in a vacuum. So generally offers the manufacture of sheets made of pure metals Difficulties in every work process.
Nach der Erfindung ist die Herstellung solcher reinster 'Metalle in Bandform dadurch in einfacher Weise möglich,daß mandieselben auf pulvermetallurgischem Wege so durchführt, daß man das gewünschte keinstmetallpulver gegebenenfalls unter Schutzgas zu einem zunächst porösen endlosen Band in an sich bekannter Weise verwalzt. Durch Zwischen-glühung unter geeigneten Schutzgasen, etwa Spaltgas, Wasserstoff oder Edelgasen u.sw., ist sodann eine absolut einwandfreie Sinterung und Glühbehandlung möglich, -welche jede Verunreinigung auszuschließen in -,der Lage ist. Durch anschließende Walzbehandlung ist es möglich"das zunächst poröse Band zu einem (dichtesten Werkstoff zusammenzudrücken und ihm in- enisprechenden anschließenden Glühbehandlungen die gewünschten physikalischen Eigenschaften zu verleihen. Dabei kann,dadurch, daß sämtlicheWalzbehandlungen nur in kaltem Zustand, gegebenenf alls unter Schutzgas, vorgenommen werden, jede Verunreinigung"durch Sauerstoff usw. verhindert werden. Die auf'diese Weise hergestellten Bänder erreichen nicht nur die Eigenschaften der bisher hergestellten Reinstmetalle, sondern sind bisweilen in ihr-en Kennwerten diesen nicht unerheblich Überlegen.According to the invention, the production of such purest metals in strip form is possible in a simple manner that they are carried out by powder metallurgy so that the desired non-metallic powder is rolled in a manner known per se, optionally under protective gas, to form an initially porous endless strip. Through intermediate annealing under suitable protective gases, such as cracked gas, hydrogen or noble gases, etc., an absolutely flawless sintering and annealing treatment is then possible, which can exclude any contamination. Subsequent rolling treatment makes it possible to compress the initially porous strip into a material that is as dense as possible and to give it the desired physical properties in subsequent annealing treatments "Any contamination" by oxygen etc. can be prevented. The strips produced in this way not only achieve the properties of the high-purity metals produced up to now, but are sometimes not insignificantly superior in their characteristics.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF5411A DE868522C (en) | 1951-01-16 | 1951-01-16 | Process for the production of pure metal sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF5411A DE868522C (en) | 1951-01-16 | 1951-01-16 | Process for the production of pure metal sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
DE868522C true DE868522C (en) | 1953-02-26 |
Family
ID=7084572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEF5411A Expired DE868522C (en) | 1951-01-16 | 1951-01-16 | Process for the production of pure metal sheet |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE868522C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1022885B (en) * | 1955-07-30 | 1958-01-16 | Sundwiger Messingwerk Vorm Geb | Process for the production of copper tapes |
DE1027041B (en) * | 1954-04-15 | 1958-03-27 | Chemetals Corp | Process for the manufacture of rolled products from metal powder |
DE1132572B (en) * | 1956-01-21 | 1962-07-05 | Heinz Schmalz Dr Ing | Process for the powder metallurgical production of preformed parts for the production of bullet casings |
DE1213620B (en) * | 1954-06-11 | 1966-03-31 | Mannesmann Ag | Application of a process for the production of spattered metal powder on high-alloy steel |
-
1951
- 1951-01-16 DE DEF5411A patent/DE868522C/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1027041B (en) * | 1954-04-15 | 1958-03-27 | Chemetals Corp | Process for the manufacture of rolled products from metal powder |
DE1213620B (en) * | 1954-06-11 | 1966-03-31 | Mannesmann Ag | Application of a process for the production of spattered metal powder on high-alloy steel |
DE1022885B (en) * | 1955-07-30 | 1958-01-16 | Sundwiger Messingwerk Vorm Geb | Process for the production of copper tapes |
DE1132572B (en) * | 1956-01-21 | 1962-07-05 | Heinz Schmalz Dr Ing | Process for the powder metallurgical production of preformed parts for the production of bullet casings |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3037209A1 (en) | NICKEL-CONTAINING ALLOY FOR USE AS STOVE MATERIAL AND A METHOD FOR THEIR HEAT TREATMENT | |
EP0012915B1 (en) | Process for manufacturing oxidic nuclear fuel elements | |
DE868522C (en) | Process for the production of pure metal sheet | |
AT9340U1 (en) | METHOD FOR PRODUCING A HIGH-SEALED SEMI-FINISHED OR COMPONENT | |
US3650729A (en) | Internally nitrided steel powder and method of making | |
DE1189723B (en) | Process for sintering and simultaneous diffusion metallization of molded parts | |
CN114888291B (en) | Method for improving plasticity of powder metallurgy high tungsten tantalum alloy | |
US2108797A (en) | Method of producing hard cemented carbide composites | |
DE1232355B (en) | Process for the manufacture of rolled steel products | |
DE2064674C3 (en) | Use of a molybdenum or tungsten-zirconium oxide composite material. Production of extrusion matrices | |
DE1213927B (en) | Indirectly heated cathode and process for its manufacture | |
DE2163755A1 (en) | HARD SINTERED JOINT | |
DE3826729A1 (en) | METHOD FOR THE HEAT TREATMENT OF A HIGH-ALLOYED CHROMA STEEL | |
DE3050264C2 (en) | Process for the powder-metallurgical manufacture of products from tool steel | |
DE748036C (en) | Sintered hard material | |
CN105328178B (en) | A kind of preparation method of Median frequency sintering thorium tungsten strip | |
SU462883A1 (en) | Method for the internal oxidation of metals | |
DE624306C (en) | Anodes for galvanic baths | |
DE384105C (en) | Process for the oxidation of atmospheric nitrogen | |
DE975436C (en) | Process for the production of magnetically soft metal alloys | |
SU1088879A1 (en) | Method of obtaining pulverulent nitrogen-containing steel and alloys | |
JP2579171B2 (en) | Manufacturing method of sintered material | |
JPH0660324B2 (en) | Method for manufacturing Ni-Ti based shape memory alloy sintered body | |
DE1242881B (en) | Process for sintering and heat treatment of work pieces made of metals with high oxygen affinity | |
DE744820C (en) | Production of iron powder of certain porosity, especially for pressed bodies |