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Twinning mechanism of nucleation
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AbstractA new mechanism of nucleation during mechanosynthesis of complex oxides, based on the mass transfer due to plastic deformation is reported. Preparation of optical ceramics shows the role of the twinning process in the nucleation of yttrium aluminum garnet (Y3Al5O12) and spinel (MgAl2O4) by grinding powders of Al2O3 + Y2O3 and MgO + Al2O3, respectively. A new look at the role of twinning in the plastic deformation suggested that mechanical twinning is the main mechanism of mechanochemical solid‐state reactions. (© 2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Title: Twinning mechanism of nucleation
Description:
AbstractA new mechanism of nucleation during mechanosynthesis of complex oxides, based on the mass transfer due to plastic deformation is reported.
Preparation of optical ceramics shows the role of the twinning process in the nucleation of yttrium aluminum garnet (Y3Al5O12) and spinel (MgAl2O4) by grinding powders of Al2O3 + Y2O3 and MgO + Al2O3, respectively.
A new look at the role of twinning in the plastic deformation suggested that mechanical twinning is the main mechanism of mechanochemical solid‐state reactions.
(© 2013 WILEY‐VCH Verlag GmbH & Co.
KGaA, Weinheim).
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