Activation parameters for deformation of ultrafine-grained aluminium as determined by indentation strain rate jumps at elevated temperature

The hardness and strain rate sensitivity of ultrafine-grained (UFG) aluminium was examined as a function of temperature using in situ strain rate jump indentation in a SEM at temperatures up to 250°C. Measured strain rate sensitivities were in good agreement with earlier bulk compression measurement...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2013-11, Vol.585, p.108-113
Hauptverfasser:	Wheeler, J.M., Maier, V., Durst, K., Göken, M., Michler, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation Aluminium Aluminum Applied sciences Deformation Exact sciences and technology Hardness High temperature deformation Indentation Materials science Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Scanning electron microscopy (SEM) Strain rate Strain rate sensitivity Ultrafine-grained metals
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