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Duralumin. By Group 2. History of Duralumin. Duralumin was developed by the German metallurgist Alfred Wilm at Dürener Metallwerke Aktien Gesellschaft . In 1903, Wilm discovered that after quenching, an aluminium alloy containing 4 % copper would slowly harden when left at room

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slide1

Duralumin

By Group 2

slide2

History of Duralumin

  • Duralumin was developed by the German
  • metallurgist Alfred Wilm at DürenerMetallwerke
  • AktienGesellschaft. In 1903, Wilm discovered that
  • after quenching, an aluminium alloy containing
  • 4% copper would slowly harden when left at room
  • temperature for several days. Further improvements
  • led to the introduction of duralumin in 1909.
  • The name is obsolete today, and mainly used in
  • popular science to describe the Al-Cu alloy system,
  • or 2000 series as designated by the International
  • Alloy Designation System (IADS) originally created
  • in 1970 by the Aluminum Association.
slide3

Duralumin

  • It is strong and hard.
  • It is an alloy of aluminum that is 4 percentcopper,
  • 1 percent manganese, 0.5 percent, and 95.5 percent
  • aluminum
  • Ussually used for it’s lightness and strength.
slide4

It is used for......

  • making aircraft frames
  • making the frames of automobiles
  • and speedboats
  • making household articles
slide5

Future Plans

  • * 2011: Wire, rod, and bar for screw machine products.
  • Applications where good machinability and good strength
  • are required.
  • * 2014: Heavy-duty forgings, plate, and extrusions
  • for aircraft fittings, wheels, and major structural
  • components, space booster tankage and structure, truck
  • frame and suspension components. Applications requiring
  • high strength and hardness including service at elevated
  • temperatures.
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* 2024: Aircraft structures, rivets, hardware, truck wheels,

  • screw machine products, and other miscellaneous structural
  • applications. The first age-hardened alloy ever discovered.
  • * 2036: Sheet for auto body panels.
  • * 2048: Sheet and plate in structural components for
  • aerospace application and military equipment.
  • * 2141: Plate in thicknesses of 40 to 150 mm
  • (1.5 to 6.0 in.) for aircraft structures.
  • * 2218: Forgings; aircraft and diesel engine pistons;
  • aircraft engine cylind
slide7

Sources

  • http://www.britannica.com/EBchecked/topic/174106/duralumin
  • http://wiki.answers.com/Q/What_are_the_possible_uses_of_duralumin
  • www.gcsescience.com/ex30.htm