Can tungsten be used to coat a geospherical drill?
December 30, 2009 - 5:43 pm
…most drills used to bore into the earths crust are coated in iron, so that they do not collapse from the pressure or melt from the heat. Now tungsten is a metal with a higher melting point than iron, so could it replace it as a coating for the drills, and be more effective?
most deep drill bits are made from either specially hardened steel or are tungsten-carbide coated.
No one has really come close to drilling at a depth where a molten drill bit would be an issue.
December 30th, 2009 at 11:13 pm
most deep drill bits are made from either specially hardened steel or are tungsten-carbide coated.
No one has really come close to drilling at a depth where a molten drill bit would be an issue.
References :
December 30th, 2009 at 11:21 pm
Titanium is the hardest material now in use for coating of cutting tools.
References :
My knowledge.