Twenty-five years of ultrafine-grained materials: achieving exceptional properties through grain refinement
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Cites background from "Twenty-five years of ultrafine-grai..."
...Concerning the testing conditions, it is well known [171,280,281] that under certain temperature and strain rate conditions, NS materials can display enhanced ductility and even exhibit superplasticity, i....
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...The superplasticity of NS materials has been discussed in several recent reviews [281,282]....
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...[170,288] (see also recent reviews on nanoSPD history) [281,289] and to date the SPD processing has become a major approach for producing metals with ultrafine and nanosized grains [47,281]....
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Cites background from "Twenty-five years of ultrafine-grai..."
...In addition to grain refinement down to the nanometer range, grain boundary structure engineering is also important because boundaries having different structures can exhibit specific transport mechanisms, in terms of deformation and diffusion, and this can be used to control the properties.[7,187] This opens up the potential for developing new ways for improving the properties of ultrafine-grained materials....
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...types of grain boundaries are formed by SPD processing and they may be classified as [2,7]...
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References
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