A sheet of gold is diffusion-bonded to a sheet of silver in 1 h at 700C. At

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A sheet of gold is diffusion-bonded to a sheet of silver in 1 h at 700°C. At 500°C, 440 h are required to obtain the same degree of bonding, and at 300°C, bonding requires 1530 years. What is the activation energy for the diffusion bonding process? Does it appear that diffusion of gold or diffusion of silver controls the bonding rate?

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The Science And Engineering Of Materials

ISBN: 9781305076761

7th Edition

Authors: Donald R. Askeland, Wendelin J. Wright

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