| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Northover, Shirley M.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2016Investigating plastic deformation around a reheat-crack in a 316H austenitic stainless steel weldment by misorientation mappingcitations
- 2014Electron backscatter diffraction (EBSD) measurement of accumulated strain
- 2014The use of size distributions in determining growth mechanisms: the growth of grain boundary precipitates in cobalt-20 iron
- 2014Microstructures of ancient and modern cast silver–copper alloyscitations
- 2013Discontinuous precipitation in silver-copper alloys
- 2012Anelasticity in austenitic stainless steelcitations
- 2012Microstructures of cast silver-copper alloy archaeological artefacts
- 2011Copper for the navy
- 2011Measurement of residual stresses in a dissimilar metal welded pipe
- 2010The role of EBSD in studying creep in metals
- 2008Boundary selectivity of crack paths in corrosion fatigue of stainless steel
Places of action
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conferencepaper
Discontinuous precipitation in silver-copper alloys
Abstract
Alongside well-studied intragranular precipitation reactions, age-hardening silver copper alloys undergo a range of slower grain boundary initiated transformations including chemically-induced grain boundary migration and cellular precipitation reactions. These are of great interest both for their effect upon mechanical properties and because it has been suggested that the observation of such grain boundary effects offers a means of distinguishing ancient silver objects from modern ones. Optical and scanning electron microscopy have been used to find the temperature dependence of the overall growth rates of cellular colonies in Ag-7.5Cu and Ag-4.16Cu. Electron backscattered diffraction (EBSD) and transmission electron microscopy (TEM) have been used to determine the crystallographic relationships between the different transformation products and the parent grains. The extent of transformation varies greatly from boundary to boundary and EBSD has shown that the extent of transformation depends on the boundary plane and the orientation relationship between adjacent grains: extensive cellular growth only proceeds where a colony can form a highly mobile interface with at least one of the grains.