The materials used in the experiment, including copper alloy C151, the ingredients by weight Cu-NN0D1% Zr piece was cut to the city in the form of dit (Disk) that has a diameter of 10 mm and a thickness of about 0.83 mm from the work piece will be brought into high-pressure process torsion (HPT) at room temperature under a 6.0 GPa pressure rotational speed rpm at N = number of rounds 1 1/4, 1, 5, 10 round.
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