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If 1908 is correct, the Wright brothers' engine must have been an earlier alloy. A book said that there was only one alloy available in 1903 but did not name it. I was assuming that it was duraluminum. It said that one large aluminum alloy casting made up most of the engine. Perhaps it doesn't take a very good alloy to be better than cast iron when heat conductivity and weight are both important. The engine Manly finished for Langley had much better power to weight (to try to compensate for poorer aerodynamics), but I have not read what the materials were.
As I remember, the name comes from the location of its discovery, which was Düren Germany, but I have not been able to check that on the Web. If anyone else has read that too we should put it in.
About the origin of the material's name, a page in German Wikipedia mentions that the name came from Latin word "durus" (hard). This is the link of the page: http://de.wikipedia.org/wiki/Duralumin
The article also states that the name is obsolete, but it's still in use, as in the case of the Samsung Series 9 laptop (released Mar. 2011).
http://www.samsung.com/us/computer/laptops/NP900X3A-A03US
"Its composition and heat treatment were a wartime secret. "
Which war ? This sentence comes after the story about the Hindenburg. But it says the product use spread through the aircraft industry in 1930's. Was it a secret in WW1 or 2 ? Eregli bob ( talk) 11:24, 8 October 2011 (UTC)
Purchased a "Stronglight Dural 5083 9/10 Speed Chainring" AUG 2020 - they're using "Dural" to refer to products in their line made with /info/en/?search=5083_aluminium_alloy. — Preceding unsigned comment added by 78.146.26.182 ( talk) 17:22, 7 August 2020 (UTC)
it was also used in the wing spars of the a6m zero 2600:1700:6CC1:2A70:107F:8083:A806:C0B1 ( talk) 17:39, 12 November 2021 (UTC)
... or maybe a smaller change would do. The article says "The term is a combination of Dürener and aluminium." where Dürener is a link to the town of Düren. No clue there that Dürener means "of or from Düren" in German. German Wikipedia has https://de.wikipedia.org/wiki/D%C3%BCrener_Metallwerke which is an article about the Düren metal works company, which is where the name actually comes from. Its version of the Duralumin article https://de.wikipedia.org/wiki/Duraluminium make the link clear. It also makes no mention of the unsubstantiated claim in this article "Duralumin was developed in 1909 in the US." Number774 ( talk) 09:35, 2 June 2023 (UTC)
Although there might be reason to consider Dürener the origin of the prefix Dur i always thought it came from Dur like hard in latin. So it would be a "hard" alumin. 95.33.171.105 ( talk) 12:57, 19 March 2024 (UTC) My grandfather was the chief commissioner for Duraliumin for the German Reich which he was trading via his company. There was always the idea it was for the use in the german airplane-wings, where durability and lightweight was necessary. I always thought Dur stood for "hard" and "durable".