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The thermal instability of nanocrystalline materials - an experimental case study of microstructural evolution in ball-milled iron

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193 S.
Veröffentlichung
2013-01-15
Authors
Paul, Heiko
Dissertation


Faculties
Fakultät für Ingenieurwissenschaften und Informatik
Abstract
Manifesting superior properties compared to their coarser-grained conventional counterparts, nanocrystalline materials are attracting growing attention in the areas of basic research and industrial application. However, the advantages of these materials - which relate to their exceptionally high number density of grain boundaries - come at the cost of an inherent instability with respect to grain growth. In order to develop strategies for retaining grain-size-related property enhancements, the nature and mechanisms of grain growth occurring in nanocrystalline materials must be understood thoroughly. This thesis represents an effort to carry out a comprehensive experimental investigation of thermally induced microstructural evolution in nanocrystalline alpha-Fe prepared by mechanical attrition.
Date created
2012
Subject headings
[GND]: Nanostrukturiertes Material
[LCSH]: Calorimetry
[MeSH]: X-ray diffraction
[Free subject headings]: Abnormal growth | Dislocation recovery | Grain growth | Grain-size distribution | Nanocrystalline materials
[DDC subject group]: DDC 620 / Engineering & allied operations
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https://oparu.uni-ulm.de/xmlui/license_v3

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DOI & citation

Please use this identifier to cite or link to this item: http://dx.doi.org/10.18725/OPARU-2458

Paul, Heiko (2013): The thermal instability of nanocrystalline materials - an experimental case study of microstructural evolution in ball-milled iron. Open Access Repositorium der Universität Ulm und Technischen Hochschule Ulm. Dissertation. http://dx.doi.org/10.18725/OPARU-2458
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