US662952A - Process of making aluminium alloys. - Google Patents

Process of making aluminium alloys. Download PDF

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Publication number
US662952A
US662952A US2625600A US1900026256A US662952A US 662952 A US662952 A US 662952A US 2625600 A US2625600 A US 2625600A US 1900026256 A US1900026256 A US 1900026256A US 662952 A US662952 A US 662952A
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Prior art keywords
aluminium
aluminium alloys
making aluminium
parts
magnesium
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US2625600A
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Ludwig Mach
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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C21/00—Alloys based on aluminium

Definitions

  • This invention relates to a special process designed to render aluminium more workable or more serviceable to the trade than it has been hitherto; and it consists of a modification of the process for which Letters Patent were sought on July 12, 1899, under the Scrial No. 723,559.
  • the workability of the aluminium is enhanced by adding from two to ten parts of magnesium to every one hundred parts of aluminium and by afterward subjecting the alloy thus obtained to a mechanical condensing process. Aluminium treated in this manner is conspicuous for the readiness wherewith it may be wrought by means of cutting-tools.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)

Description

NITED STATES LUDWIG MACH, OF BERLIN, GERMANY.
PROCESS OF MAKING ALUMINIUM ALLOYS.
SPECIFICATION forming part of Letters Patent No.
4 662,953, dated December 4, 1900.
Application filed August 8, 1900. $eria1N0- 26,256. (No specimens.)
To all whom it neay concern.-
Be it known that I, LUDWIG MACH, a subject of the Emperor of Austria-Hungary, residing at 133 Wilhelmstrasse, Berlin, in the Empire of Germany, have invented certain new and useful Improvements in or Relating to a Process of Manufacture of a Workable Aluminium Alloy, of which the followingisa specification.
This invention relates to a special process designed to render aluminium more workable or more serviceable to the trade than it has been hitherto; and it consists of a modification of the process for which Letters Patent were sought on July 12, 1899, under the Scrial No. 723,559. According to what is described in that application the workability of the aluminium is enhanced by adding from two to ten parts of magnesium to every one hundred parts of aluminium and by afterward subjecting the alloy thus obtained to a mechanical condensing process. Aluminium treated in this manner is conspicuous for the readiness wherewith it may be wrought by means of cutting-tools. Subsequent experiments, however, have led me to the discovery that the same result is attainable by bringing the metal to the requisite degree of density not by mechanical condensation, but by sudden solidification or concretion by chilling, though, as in the prior method of treatment, from two to ten parts (per cent.) of magnesium must be added to attain the desired object.
The process is carried out as follows: One hundred parts of aluminium are alloyed with from two to ten parts of magnesium and this alloy cast in sheet-metal (tin-plate) molds from castings of corresponding shape. The molds are then moved backward and forward in running water, their metal-receiving orifices being left open. Hydrochloric acid or mercury might be used instead of Water, if preferred. In the course of my investigations it has been ascertained that this particular material or alloy is excellently adapted for casting, while owing to its high degree of density it is workable with tools with remarkable facility as compared with pure aluminium, being similar in this to the aluminium treated by the method which was described in the application of July 12, 1899,
Serial No. 723,559. If, on the other hand, the melted aluminium alloy of from two to ten parts of magnesium to every one hundred parts of aluminium be concreted or set by a slow process, the castings will smear or smudge in being worked; but this drawback may be immediately removed by rapid chilling.
I claim A process of manufacture of a workable aluminium alloy consisting in adding from two to ten parts of magnesium to every one
US2625600A 1900-08-08 1900-08-08 Process of making aluminium alloys. Expired - Lifetime US662952A (en)

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US2625600A US662952A (en) 1900-08-08 1900-08-08 Process of making aluminium alloys.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725493A (en) * 1951-07-14 1955-11-29 Gen Motors Corp Temperature compensation for a magnetic speedometer drive
US20060011199A1 (en) * 2004-07-02 2006-01-19 Rashad M A Dual sensor oxygen therapy device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725493A (en) * 1951-07-14 1955-11-29 Gen Motors Corp Temperature compensation for a magnetic speedometer drive
US20060011199A1 (en) * 2004-07-02 2006-01-19 Rashad M A Dual sensor oxygen therapy device

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