The application discloses a multi-gradient sharp corner
punching die for amorphous
alloy based on notch sensitivity and application thereof to punch amorphous
alloy, soft magnetic material or
metal thin strip. The multi-gradient sharp corner
punching die for amorphous
alloy based on notch sensitivity comprises a die body and a die front end; the die front end is provided with a circular
punching end face; a plurality of sharp corners with top angles towards a punching direction are arranged on the
edge region of the punching end face along the circumference thereof, the sharp corners are periodically arranged from high to low and then to high, and the higher the sharp corner is, the smaller the top angle is.