duralumin

/doo-ral-yuh-min, dyoo-/US // dʊˈræl yə mɪn, dyʊ- //UK // (djʊˈræljʊmɪn) //

硬质纤维素,硬质合金,硬脂酸钠,硬脂酸铝

Definitions

n.名词 noun

1
- : an alloy of aluminum that is 4 percent copper and contains small amounts of magnesium, manganese, iron, and silicon: used for applications requiring lightness and strength, as in airplane construction.

Fighting to keep themselves erect, they slammed the heavy duralumin portal to and fastened it.
But duralumin, probably, a very light, strong alloy; and what I have here is a hunting knife with a can-opener on one end!
Duralumin is four or five times as strong as aluminum and yet weighs but little more.
The duralumin factory is capable of meeting all Zeppelin requirements.
They were through, penetrating solid crystal, masonry, steel and duralumin girders.