A thin plate of a binary alloy of composition N A = 0.245 and N B =
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A thin plate of a binary alloy of composition NA = 0.245 and NB = 0.755 was welded to a similar plate of composition NA = 0.255 and NB = 0.745 so as to form a diffusion couple. After a diffusion anneal for 200 hours at 1300°K, the composition at a plane 2×10-4 m from the original weld interface, on the side whose starting composition was NA = 0.245, was observed to be NA = 0.248. Compute the diffusivity using the Grube method.
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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