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Sunday, February 16, 2025
How to measure the amount of shear fracture in an impact test (ASTM A370 )
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How to measure the amount of shear fracture in an impact test (ASTM A370 )
8.1 The ratio of diffusion rate of silver in silicon at 1350°C to that at 1100°C was found to be 8 in a doping process. Calculate the activation energy Q for silver diffusion in silicon.
8.2 The diffusion rate of A in B was studied at 500°C and 850°C. It was found that, for the same diffusion time, the depths of penetration x1 and x2 in the two experiments were in the ratio of 1 : 4. Calculate the activation energy for diffusion of A in B.
