An alloy is a solid solution of two or more elements in a metallic matrix. It can either be a partial solid solution or a complete solid solution. Alloys are usually found to possess different physical properties than those of the component elements. An important alloy of lanthanoids is Mischmetal. It contains lanthanoids (94-95%), iron (5%), and traces of S, C, Si, Ca, and Al.
Uses:
1. Mischmetal is used in cigarettes and gas lighters.
2. It is used in flame throwing tanks.
3. It is used in tracer bullets and shells.