US2075002A - Copper-silicon-aluminum alloys - Google Patents

Copper-silicon-aluminum alloys Download PDF

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Publication number
US2075002A
US2075002A US683480A US68348033A US2075002A US 2075002 A US2075002 A US 2075002A US 683480 A US683480 A US 683480A US 68348033 A US68348033 A US 68348033A US 2075002 A US2075002 A US 2075002A
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US
United States
Prior art keywords
copper
silicon
aluminum alloys
aluminum
balance
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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 - Lifetime
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US683480A
Inventor
Daniel R Hull
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
American Brass Co
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American Brass Co
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Publication date
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Priority to US683480A priority Critical patent/US2075002A/en
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Publication of US2075002A publication Critical patent/US2075002A/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C9/00—Alloys based on copper
    • C22C9/10—Alloys based on copper with silicon as the next major constituent

Definitions

  • the relative proportionsof the. elements may vary depending on the use to which the alloyis to be put, the silicon content varying from about 0.1% up to about 3.5%,. the aluminum from 0.1% to about 0.75% and the balance copper; while the preferred range is from about 2% to 3% silicon, from about 0.1% to about 0.5%
  • a specific alloy which has been found very useful and to have the characteristics noted is composed of approximately 3% silicon, 0.3% aluminum and balance copper.
  • They maybe hot rolled, extruded, and cold rolled. They may be made into wire, rods, tubes, sheets and various shapes. They may also be drawn, stamped, formed or spun into cups and other forms of .draw'n metal articles. In short they may be made into various articles by hot rolling, cold rolling, extruding, drawing, or spinning, or any combination of these various operations.
  • a copper base alloy composed of from 0.1% to 3.5% silicon, from 0.1% to 0.75% aluminum,
  • a copper base alloy composed of approxi-- mately 2% to 3% silicon, 0.1% to 0.5% alumi-v mum, and balance copper.
  • a copper base composed of approximately.3%' silicon, 0.3% aluminum and balance 25 copper.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Adornments (AREA)
  • Conductive Materials (AREA)
  • Lead Frames For Integrated Circuits (AREA)

Description

25 about Patented Mar. v23, 1937 UNITED STATES PATENT-OFFICE I COPPER-8111053 33 1 1 ;N IIMIALLOIHYS v Daniel B; Hull, Water-town, Oonm, asaiznor to he American Brass. Company, Waterbury, Com, a corporation of Connecticut No Drawing. Application August 3,1933,- Serial 3 Claims.
ance, hardness and strength over that of copper,
worked to produce but which can be hot or cold various articles.
The addition of silicon .to copper in certain proportions hardens the copper and increases the tensile strength, toughness, and resistance to corros'ion. It, however, also increases thedifliculty of workingthe metal. 1 J
I have found that the addition of aluminum in 5 certain amounts to the coppersilicon alloy facili-v tates the working, or that it improves the worlia bility of the alloy, and especially hot rolling and extruding, and it can also be cold rolled. Thealuminum also further increases the strength 20 and hardness.
The relative proportionsof the. elements may vary depending on the use to which the alloyis to be put, the silicon content varying from about 0.1% up to about 3.5%,. the aluminum from 0.1% to about 0.75% and the balance copper; while the preferred range is from about 2% to 3% silicon, from about 0.1% to about 0.5%
aluminum and balance copper. A specific alloy which has been found very useful and to have the characteristics noted is composed of approximately 3% silicon, 0.3% aluminum and balance copper. a
These alloys are adapted for various uses.
They maybe hot rolled, extruded, and cold rolled. They may be made into wire, rods, tubes, sheets and various shapes. They may also be drawn, stamped, formed or spun into cups and other forms of .draw'n metal articles. In short they may be made into various articles by hot rolling, cold rolling, extruding, drawing, or spinning, or any combination of these various operations.
. 15 Having thus set forth the nature of my in-,
vention, what I claim is: u
1. A copper base alloy composed of from 0.1% to 3.5% silicon, from 0.1% to 0.75% aluminum,
and balance copper. 2o
2. A copper base alloy composed of approxi-- mately 2% to 3% silicon, 0.1% to 0.5% alumi-v mum, and balance copper.
3. A copper base. alloy composed of approximately.3%' silicon, 0.3% aluminum and balance 25 copper. DANIEL R.
US683480A 1933-08-03 1933-08-03 Copper-silicon-aluminum alloys Expired - Lifetime US2075002A (en)

Priority Applications (1)

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US683480A US2075002A (en) 1933-08-03 1933-08-03 Copper-silicon-aluminum alloys

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US683480A US2075002A (en) 1933-08-03 1933-08-03 Copper-silicon-aluminum alloys

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US2075002A true US2075002A (en) 1937-03-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259491A (en) * 1963-05-21 1966-07-05 Olin Mathieson Copper base alloys and process for preparing same
US3341369A (en) * 1965-03-03 1967-09-12 Olin Mathieson Copper base alloys and process for preparing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259491A (en) * 1963-05-21 1966-07-05 Olin Mathieson Copper base alloys and process for preparing same
US3341369A (en) * 1965-03-03 1967-09-12 Olin Mathieson Copper base alloys and process for preparing same

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