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EnglishNi powders were submitted to mechanical processing by ball milling. The microstructural refinement of the processed powders was followed by X-ray diffraction by evaluating the average crystallite size and the average strain content. The Vickers micro-hardness was also measured. The experimental evidences were rationalized using a phenomenological model, which allowed to estimate the amount of powder processed at individual collisions. The density of dislocations was also estimated and correlated with the experimental Vickers micro-hardness values. The connection between the work- and gain-hardening mechanisms described by the Bailey–Hirsch and Hall–Petch relationships is discussed.
Deformation conditions for Ni powders undergoing mechanical processing / Garroni S. - In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS. - ISSN 0022-3697. - 73:(2012), pp. 770-776. [10.1016/j.jpcs.2012.01.024]
| Titolo: | Deformation conditions for Ni powders undergoing mechanical processing | |
| Autori: | ||
| Data di pubblicazione: | 2012 | |
| Rivista: | ||
| Citazione: | Deformation conditions for Ni powders undergoing mechanical processing / Garroni S. - In: JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS. - ISSN 0022-3697. - 73:(2012), pp. 770-776. [10.1016/j.jpcs.2012.01.024] | |
| Handle: | http://hdl.handle.net/11388/139455 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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