A low-temperature high-strain-rate formable nanocrystalline superplastic ceramic

A low-temperature high-strain-rate formable nanocrystalline superplastic ceramic

A fully dense nanocrystalline ceramic consisting of ZrO 2, Al 2O 3 and MgAl 2O 4 was deformed at 1150 °C at a strain rate on the order of 10 −2 s −1. Spark plasma sintering was used in this study as a means of consolidation as well as for subsequent superplastic deformation.

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Bibliographische Detailangaben
Veröffentlicht in:Scripta materialia 2007-06, Vol.56 (12), p.1103-1106
Hauptverfasser: Hulbert, Dustin M., Jiang, Dongtao, Kuntz, Joshua D., Kodera, Yasuhiro, Mukherjee, Amiya K.
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum oxide
Ceramics
Consolidation
Low-temperature deformation
Nanocomposite
Nanocrystals
Plastic deformation
Spark plasma sintering
Strain rate
Superplastic deformation
Superplastic forming
Superplasticity
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Zusammenfassung:A fully dense nanocrystalline ceramic consisting of ZrO 2, Al 2O 3 and MgAl 2O 4 was deformed at 1150 °C at a strain rate on the order of 10 −2 s −1. Spark plasma sintering was used in this study as a means of consolidation as well as for subsequent superplastic deformation.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2007.02.003