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Comment on 'Surface thermodynamics, surface stress, equations at surfaces and triple lines for deformable bodies'
1Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel. gutman@bgu.ac.il
Abstract:
In a recent publication by Olives (2010 J. Phys.: Condens. Matter 22 085005) he studied 'the thermodynamics and mechanics of the surface of a deformable body, following and refining the general approach of Gibbs' and believed that 'a new definition of the surface stress is given'. However, using the usual way of deriving the equations of Gibbs-Duhem type the author, nevertheless, has fallen into a mathematical discrepancy because he has tried to unite in one equation different thermodynamic systems and 'a new definition of the surface stress' has appeared known in the usual theory of elasticity.
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