Duralumin
Duraluminio
- Date
- 1906–1909 · confidence high
- Place
- Düren, Rhineland, Germany
- Credited to
- Alfred Wilm (Dürener Metallwerke; age hardening, 1906-1909)
- People
- 👤 Alfred Wilm1869–1937
- Field
- Matter & energy
What it is
Aluminium alloy with copper, magnesium and manganese that hardens spontaneously after quenching, as strong as mild steel and three times lighter. It was the material of metal aviation.
What it led to
- Zeppelin airships and metal aeroplanes (Junkers J 1, 1915)
- Monocoque commercial aviation (DC-3)
- Precipitation-hardening metallurgy
Built on
- Aluminium1825
- Hall-Héroult aluminium process1886
- Metallography
Made possible
- Rigid airship (Zeppelin)1900
- All-metal aircraft (Junkers J 1 and F 13)1915-1919
- All-metal aeroplane
- Aerospace alloys