DE90746C - - Google Patents
Info
- Publication number
- DE90746C DE90746C DENDAT90746D DE90746DA DE90746C DE 90746 C DE90746 C DE 90746C DE NDAT90746 D DENDAT90746 D DE NDAT90746D DE 90746D A DE90746D A DE 90746DA DE 90746 C DE90746 C DE 90746C
- Authority
- DE
- Germany
- Prior art keywords
- chromium
- oxygen
- aluminum
- iron
- added
- 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.)
- Active
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 9
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910000640 Fe alloy Inorganic materials 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
KLASSE 18: ^Eisenerzeugung.CLASS 18: ^ Ironmaking.
in LONDON.in London.
Patentirt im Deutschen Reiche vom 14. Juni 1896 ab.Patented in the German Empire on June 14, 1896.
Es ist bekannt, dafs flüssiges Eisen oder Stahl durch Oxyd zähflüssig wird, was aber zur Erreichung eines blasenfreien Gusses und somit der Steigerung der Leichtflüssigkeit des Metalles vermieden werden soll.It is known that liquid iron or steel is made viscous by oxide, but what about? to achieve a bubble-free casting and thus to increase the light fluidity of the Metal should be avoided.
Das reine Chrom, wie es durch Elektrolyse gewonnen wird, besitzt eine grofse Affinität für den Sauerstoff. Hieraus folgt,- dafs bei der Herstellung von Legirungen des Eisens und Stahls mit reinem Chrom die Affinität des Chroms für Sauerstoff dazu benutzt werden kann, um die Sauerstoffentnahme der flüssigen Masse in dem Augenblick der Chromzuführung zu vollziehen. Wenn nur in der angegebenen Weise verfahren wird, fällt die richtige Auswahl der Massenverhältnisse sehr schwer; auch würde eine ziemlich grofse Menge Chrom verloren gehen, was bei dem ziemlich hohen Preise, dieses Metalles die Herstellungskosten unnöthig vertheuern würde.Pure chromium, as it is obtained by electrolysis, has a great affinity for the oxygen. From this it follows that in the manufacture of alloys of iron and Steel with pure chromium can use the affinity of chromium for oxygen can to the oxygen extraction of the liquid mass at the moment of the chromium supply to be carried out. The correct selection will be made if only the specified procedure is followed the proportions of the masses are very difficult; a fairly large amount of chromium would also be lost going, what at the rather high price, this metal is the manufacturing cost would sell unnecessarily.
Um diesen Uebelständen . abzuhelfen, wird nach vorliegender Erfindung in folgender Weise verfahren:About these evils. to remedy, is according to the present invention in the following manner procedure:
Zuerst wird der geschmolzenen Masse von Eisen oder Stahl eine genügende Menge Aluminium zugesetzt, wodurch eine fast vollständige Sauerstoffentziehung eintritt. Bei dieser Behandlungsweise ist es von grofser Wichtigkeit, die Masse nicht vollständig vom Sauerstoff zu befreien, da sonst freies Aluminium in dieselbe übergehen könnte, was die Entstehung einer aluminiumhaltigen Legirung bedingen würde. Hierauf wird der geschmolzenen Masse, deren Sauerstoffgehalt durch das zugesetzte Aluminium fast vollständig entfernt worden ist, eine Quantität Chrom zugesetzt, welche nach der gewünschten Legirung berechnet ist. Es wird ein weiterer kleiner Zuschlag des nämlichen Metalles zugesetzt, welcher dazu bestimmt ist, die geringe, noch vorhandene Oxydmenge zu entfernen.First, the molten mass of iron or steel becomes a sufficient quantity Aluminum is added, as a result of which an almost complete oxygen removal occurs. At this In the manner of treatment it is of great importance that the mass is not completely deprived of oxygen to free, otherwise free aluminum could pass into the same, which is the formation an aluminum-containing alloy. Thereupon the molten mass, its oxygen content by the added Aluminum has been almost completely removed, a quantity of chromium is added which is calculated according to the desired alloy is. Another small addition of the same metal is added, which is is intended to remove the small amount of oxide that is still present.
Nach diesem Verfahren wird eine sehr leicht flüssige Legirung erhalten, welche keine Spur von Aluminium enthält. Ein gröfserer Verlust an Chrom kann hierbei nicht eintreten.According to this process, an alloy which is very easily liquid and not a trace is obtained of aluminum contains. A major loss of chromium cannot occur here.
Was hier von dem Chrom gesagt wurde, bezieht sich selbstverständlich auch auf die verwandten Metalle, wie Wolfram, Molybdän u. s. w.What has been said here about chrome naturally also applies to its relatives Metals such as tungsten, molybdenum and so on.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE90746C true DE90746C (en) |
Family
ID=362428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT90746D Active DE90746C (en) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE90746C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382935A (en) * | 1993-06-24 | 1995-01-17 | Braillon Magnetique | Permanent-magnet grab |
-
0
- DE DENDAT90746D patent/DE90746C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382935A (en) * | 1993-06-24 | 1995-01-17 | Braillon Magnetique | Permanent-magnet grab |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE90746C (en) | ||
| DE2203598A1 (en) | Process for the surface hardening of titanium and its alloys and products obtained in this way | |
| DE224334C (en) | ||
| DE18603C (en) | Process for the preparation of copper-tin and copper-zinc containing phosphorus and iron. Alloys with or without addition of lead | |
| DE392673C (en) | Process for the production of iron and steel alloys containing chromium | |
| DE514126C (en) | Compensation for precious metal alloys | |
| DE631985C (en) | Alloy for objects that must have both good workability and high heat resistance | |
| DE295786C (en) | ||
| DE28546C (en) | Innovation in the process patented under No. 22620 for the preparation of copper-tin and copper-zinc alloys with or without the addition of lead, which contain certain amounts of iron or manganese | |
| DE191883C (en) | ||
| DE228017C (en) | ||
| DE625092C (en) | Bronze-like copper alloy | |
| DE277855C (en) | ||
| DE891276C (en) | Process for the production of durable unalloyed steels | |
| DE187457C (en) | ||
| DE471281C (en) | Process for breaking down hard-to-break alloys | |
| DE2250165A1 (en) | METHOD AND MEANS FOR MANUFACTURING CAST PRODUCTS FROM DUCTILE IRON | |
| DE745034C (en) | Thin-walled profiles of around 2 mm and below made from aluminum alloys in the extrusion press | |
| DE589271C (en) | Manufacture of pipes | |
| DE235461C (en) | ||
| DE297210C (en) | ||
| DE599862C (en) | Process for removing arsenic, phosphorus and nitrogen from iron group metal melts | |
| DE969027C (en) | Process for bringing about the stability of stable austenitic steel alloys against intergranular corrosion | |
| DE712790C (en) | Dental prosthesis, such as palatal plate u. Like., Also accessories such as brackets, dental pins and. Like., In particular dental crowns | |
| DE285423C (en) |