Tungsten has the very best melting issue on the refractory metals, high density, and minimal coefficient of thermal enlargement. It provides exceptionally substantial toughness and great electrical resistivity at quite superior temperatures. Some specialty incandescent lamps which include halogen lamps nonetheless use tungsten filaments, and significant-depth arc lamps use tungsten https://arthurpwdir.develop-blog.com/34471863/detailed-notes-on-edgetech-industries-eti