Srivastav, Ajeet K. ; Chawake, Niraj ; Murty, B. S. (2015) Grain-size-dependent non-monotonic lattice parameter variation in nanocrystalline W: the role of non-equilibrium grain boundary structure Scripta Materialia, 98 . pp. 20-23. ISSN 1359-6462
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.scriptamat.2014.11.005
Abstract
The grain size dependency of lattice parameter during high-energy ball milling of W has been investigated. The lattice parameter varies non-monotonically with grain size during milling with a lattice contraction initially followed by an expansion. The lattice parameters were calculated in view of the non-equilibrium grain boundary structure that evolved during milling using excess free volume and the interfacial stresses at the grain boundaries. The calculated lattice parameters closely match the experimentally observed values.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Tungsten; Mechanical Milling; Lattice Parameter; Non-equilibrium Grain Boundary; Dislocation Density |
| ID Code: | 110945 |
| Deposited On: | 06 Dec 2017 11:09 |
| Last Modified: | 06 Dec 2017 11:09 |
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