Talk:Dysprosium/Archive 1
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Talk:Dysprosium/Archive 1

Rather: in Gas discharge lamps

(Applications:) "Dysprosium iodide and dysprosium bromide are used in high intensity lighting." It is not clear in what type of lamps. German popflock.com resource http://de.www.popflock.com/learn?s=Dysprosium speaks of "(Hochleistungs-)Halogenlampen", which means halogen lamps with a tungsten filament (thin wire, German: Wolfram-Glühfaden). I think the original texts could mean gas discharge lamps, which also contain halogens but no tungsten filament. --Helium4 (talk) 00:11, 13 March 2013 (UTC)

Electric Motors

The article talks about "100 grams of dysprosium per car produced". Let's see: with a maximum of 6% of neodymium being replaced by dysprosium, and the usual magnetic material consisting of roughly 6% of neodymium, I arrive at close to 28 kg of magnets inside one motor. Assuming a maximum thickness of let's say 1cm, 4 litres of magnetic material (of roughly the density of any other iron material) can be spread out over an area of 63x63cm (2ftx2ft).
Hmm. I still think that that makes quite a large motor for a passenger car, but I'm surprised to see it's not as unrealistic as I initially thought.--BjKa (talk) 15:37, 3 February 2014 (UTC)


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