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Maytime · 05-05-2006, 15:41

IIRC, hardness is the resistance to penetration of the surface of a material by a hard object. Toughness I believe is ductile or yield strength. Could be wrong.

05-05-2006, 15:41	#30
Maytime Guerrilla Join Date: Feb 2005 Location: Seattle Posts: 199	IIRC, hardness is the resistance to penetration of the surface of a material by a hard object. Toughness I believe is ductile or yield strength. Could be wrong. __________________ Trust your hang.
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