Viswanathan, G. B. ; Lee, Eunha ; Maher, Dennis M. ; Banerjee, Srikumar ; Fraser, Hamish L. (2005) Direct observations of dislocation substructures formed by nano-indentation of the α-phase in an α/β titanium alloy Materials Science and Engineering A, 400-401 . pp. 463-466. ISSN 0921-5093
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S09215...
Related URL: http://dx.doi.org/10.1016/j.msea.2005.02.070
Abstract
Nano-indentation has been used to assess the hardness of equiaxed grains of α-Ti as a function of orientation. Surface normals of these grains in metallographic sections were assessed using orientation imaging microscopy. Thin membranes of material from below a series of nano-indentations were excised by use of a dual-beam focused ion beam instrument. In this way, the dislocation substructures beneath individual indentations were characterized using transmission electron microscopy, permitting an identification of both statistically stored and geometrically necessary dislocations.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Nano-indentation; Dislocation Substructure; Orientation Imaging; Focused Ion Beam |
| ID Code: | 22906 |
| Deposited On: | 25 Nov 2010 13:52 |
| Last Modified: | 16 May 2011 12:17 |
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