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Human hands pierce metal armor?
Tensile strength? What does a material's tensile strength have to do with a shearing action? Wouldn't that be its shear stress or bending stress?
If martial artists can "focus" a blow to hit the grain of wood, and stress (no matter what regime) is expressed as allowable force over area.....could not the area of the blow be small enough to exceed a material's yield strength?
What is tempered metal? Is it heat tempered, work hardened, annealed, quenched, forged, or just refined? Hardened metals tend to be much more brittle than their unhardened ductile versions. They are also more scratch resistant, yet fail at lower stresses. Wouldn't that make them more likely to fail from a blunt blow?
Who's master / trainer is a higher "daaaaaaaaaan"? I'm sure that figures in to all this somehow too.
~Mandrake
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