Can tungsten be used as a catalyst for carbon nanotube growth or as a component of nanotube-based devices?

Oct 22, 2016 ... Tungsten is used on aircraft, for counterweights, in replacement of uranium that was a bit more touchy to recycle. See a list here (while trying ... Jan 26, 2012 ... Sounds like Densimet or Mallory 1000. Cut it into ~1" long pieces and sell them to an engine balancing shop. It's over 2 times the density of ... Nov 16, 2016 ... Red is thoriated tungsten and has been used for many years. I still have a bit of it running around and use it for welding steel and stainless ... Jan 13, 2016 ... The purpose of tungsten is to make your phone vibrate when you receive a call or message, for example. More specifically, it is used to make a ... They use the standard pinout as many other 3.5mm offerings allowing the same cable to be used for a variety of headphones. While any barrel size up to 10mm ... Just over 10% of tungsten carbide is used exclusively for the manufacture of mill products including various end mills and mill inserts. These products vary in ... May 1, 2017 ... History of Tungsten Uses. Discoveries in tungsten use can be loosely linked to four fields: chemicals, steel and super alloys, filaments, and ... Apr 30, 2018 ... Tungsten is a contact material ideally suited to and often used for the production of glass syringes. Jan 20, 2012 ... I tried out the .040" on some razor blades with decent results, but could do just as well with a 1/16 sharpened to a long taper. Jan 24, 2024 ... If you've ever come across tungsten, it's highly likely it was tungsten carbide. This is the most popular type and is used in many tools, thanks ...