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Calorimetric measurements of the grain-boundary energy in zinc

✍ Scribed by Hans U. Åström

Publisher
Elsevier Science
Year
1956
Weight
313 KB
Volume
4
Category
Article
ISSN
0001-6160

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✦ Synopsis

diameters on each atom plane; and this is clearly not achieved over large volumes of the material. The nearest approximation to this case is fine flip, in which the displacement is about 50 k on many slip-planes 200 pi apart. Here the maximum rise in temperat~e might be a few degrees if many of t-he slip processes occurred sim~taneously.

It seems inlprobable then that there can be appreciable local heating near the glide-plane, except perhaps at very high rates of loading. The creation of cracks during normal reversed stressing may be explained by the pile-up of dislocations,'lO) and the softening processes by the local generation of vacancies.(ll) J. D. ESHELBY

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