Dynamic compression, with the increase of deformation, the grain was crushed stretched, broken to the formation of fine grains, fine grains grew quickly in the subsequent deformation into elongated fiber structure and closely packed together along the shear direction The formation of adiabatic shear

Dynamic compression deflection with the increase in die crushed, broken, and a small die die in the next small deformation of the Dacheng slim quick, long fiber structure along the shear direction and close together to form a thermal insulation cut with.

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With the increase of deformation under dynamic compression, grained crushed elongated, forming tiny grains of broken, small grain grew up quickly in a subsequent deformation structure and close down the cut into long thin fibers arranged in formation with adiabatic shear bands.

Under the dynamic compression along with the amount of deformity increase, the crystal grain is compressed elongates, forms the tiny crystal grain stave, the tiny crystal grain grows up fast in afterwards distortion the tall and slender fiber structure and is closely packed along the cutting directi