Consider a polycrystalline ceramic with pores of various sizes situated at the grain boundaries and within...
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Consider a polycrystalline ceramic with pores of various sizes situated at the grain boundaries and within the grains, as sketched schematically as follows: Grain boundary O Use arrows to sketch the possible atomic transport paths from the grain bounda- ries to the pores. b. Which pore will disappear first? Which pore will disappear last? Explain c. If the three pores are close enough so that the diffusion distances between the pores are relatively small, will there be any matter transported between the pores? Use arrows to show the direction of matter transport and explain Consider a polycrystalline ceramic with pores of various sizes situated at the grain boundaries and within the grains, as sketched schematically as follows: Grain boundary O Use arrows to sketch the possible atomic transport paths from the grain bounda- ries to the pores. b. Which pore will disappear first? Which pore will disappear last? Explain c. If the three pores are close enough so that the diffusion distances between the pores are relatively small, will there be any matter transported between the pores? Use arrows to show the direction of matter transport and explain
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Related Book For
Fundamentals Of Momentum Heat And Mass Transfer
ISBN: 9781118947463
6th Edition
Authors: James Welty, Gregory L. Rorrer, David G. Foster
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