Figueroa, M. Garcia, E. Muhl, S. Rodil, S. <br/><br/>
Preliminary tribological study and tool life of four commercial drills 

 -  2014 
 - Vol. 57, No. 4, pp. 581-588 
 = Tribology Transactions 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Boring<br/>Ball cratering<br/>Scratch testing<br/>Hardness tests<br/>Drill lifetime