Metals is a category of material that includes steel, aluminum, titanium, tungsten and many others. These materials are used in many applications where strength and toughness are critical. Metals are opaque, meaning that light does not pass through them. They are generally electrically and thermally conductive. One of the important properties of metals is their ductility or ability to bend without breaking. This not only makes them tough but also allows them to be shaped into parts using processes such as rolling and forging. Check out these videos which are focused on metals. 

Drexel University Materials Science & Engineering Department

Drexel University Materials Science & Engineering Department