Before revision: The material for most nanoindenters is diamond and sapphire, although other hard materials can be used such as quartz, silicone , tungsten, steel, tungsten carbide and almost any other hard metal or ceramic material.
After revision: The material for most nanoindenters is diamond and sapphire, although other hard materials can be used such as quartz, silicon , tungsten, steel, tungsten carbide and almost any other hard metal or ceramic material.