Let us say I have a defined dislocation width,now how would the interfacial energy and elastic energy vary when the dislocation width is more or less.I feel having a wider dislocation would mean bonds being more stretched so higher elastic energy(since more is the deviation from the equilibrium position).However my book(Mechanical Metallurgy by G.E.Dieter) says that wider dislocation implies less elastic energy.(A contradiction).Also I am totally clueless about the analogy between dislocation width and interfacial energy.


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