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  3. (a) do you expect the surface energy to be greater

(a) Do you expect the surface energy to be greater than, the same as, or less...

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Chemistry

(a) Do you expect the surface energy to be greater than, thesame as, or less than the grain boundary energy, why? (b) A smallangle grain boundary has a less grain boundary energy than ahigh-angle one. Why?

Answer & Explanation Solved by verified expert
4.4 Ratings (716 Votes)
A grain boundary is the interface between twograins or crystallites in a polycrystalline material Grainboundaries are 2D defects in the crystal structure and tend todecrease the electrical and thermal conductivity of the materialMost grain boundaries are preferred sites for the onset ofcorrosion and for the precipitation of new phases from the    See Answer
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