Molecular dynamic simulations in bcc iron show that trasonic twinnig from the crack tip is possible at low temperatures. The speed of twin expansion is larger than the velocity of shear stress waves along the slip systems <111>{112} in a perfect bcc iron crystal.
Molecular dynamic simulations in bcc iron show that trasonic twinnig from the crack tip is possible at low temperatures. The speed of twin expansion is larger than the velocity of shear stress waves along the slip systems <111>{112} in a perfect bcc iron crystal. (en)