> has anyone experience with sharpening an edge of a titanium spork for use as a knife?
I tried sharpening a titanium knife from a GSI cutlery set once. The result, *for the alloy they had used*, was pathetic. It was a bit like sharpening soft aluminium or soft stainless steel. I can only conclude it was a soft alloy or pure titanium.
I have also tried grinding a hard 6Al-4V titanium alloy. This stuff does grind, but you need to be a little careful as it does not behave like steel. Actually, it is as tough and hard as ...
The sparks are not much of a problem in my experience.