Colossal grain boundary strengthening in ultrafine nanocrystalline oxides

One of the most classic size-effects in materials is the increase in the strength and hardness as the grain size decreases. However, a practical low size limit for this so-called grain boundary strengthening has been extensively reported for both metals and ceramics. Here, it is demonstrated that th...

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Vydáno v:	Materials letters Ročník 186; s. 298 - 300
Hlavní autoři:	Muche, Dereck N.F., Drazin, John W., Mardinly, John, Dey, Sanchita, Castro, Ricardo H.R.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Amsterdam Elsevier B.V 01.01.2017 Elsevier BV
Témata:	Ceramics Deformation mechanisms Densification Formability Grain boundaries Grain size Hall-Petch Hardness Magnesium Magnesium aluminate Materials science Mechanical properties Nanocrystalline materials Nanocrystals Nanoparticles Oxides Plasma sintering Sapphire Spark Plasma Sintering Strengthening Visible spectrum Ceramics Spark Plasma Sintering Nanocrystalline materials Hall-Petch Magnesium aluminate
ISSN:	0167-577X, 1873-4979
On-line přístup:	Získat plný text
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