Sintering nanocrystalline diopside from pulverized diopside crystals
نویسندگان
چکیده
منابع مشابه
Dynamic Compression of Diopside and Salite
New Hugoniot data on single crystal diopside, CaMgSi206 (Di), suggest that transformation to a high-pressure thermomechanical state begins at ---50 GPa and is complete above 100 GPa, in agreement with other pyroxenes and silicates of geophysical interest. Comparison of the new high pressure phase (HPP) data for Di and salite, CaMg0.82Fe0.•8Si206 (Sa) with appropriate mixed oxide and perovskite ...
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The formation of intragranular pores, induced by diopside crystallization in diopside–albite glasses, was highlighted in a previous study and here confirmed by SEM observation. The sinter-crystallization kinetics of four glass compositions, labelled G1, G2, G3 and G2-Cr, characterized by the formation of induced crystallisation porosity, PCR, was investigated. The activation energies of crystal...
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Steady-state dissolution rates of diopside are measured as a function of solution saturation state using a titanium flow-through reactor at pH 7.5 and temperature ranging from 125 to 175 degrees C. Diopside dissolved stoichiometrically under all experimental conditions and rates were not dependent on sample history. At each temperature, rates continuously decreased by two orders of magnitude as...
متن کاملProperties of sintered glass-ceramics in the diopside–albite system
A series of sintered glass-ceramics belonging to the system diopside–albite, forming by surface crystallization 30, 50 and 65% diopside, was investigated. In order to study the effect of bulk crystallization on the sintering a 0.7% of Cr2O3 as nucleation agent was added in one of the compositions. The crystallization was evaluated by DTA and density measurements and the degree of densification ...
متن کاملSynergistic Effect of Carbon Nanotubes and Graphene on Diopside Scaffolds
A synergetic effect between carbon nanotubes (CNTs) and graphene on diopside (Di) scaffolds was demonstrated. 3D network architecture in the matrix was formed through the 1D CNTs inlaid among the 2D graphene platelets (GNPs). The mechanical properties of the CNTs/GNPs/Di scaffolds were significantly improved compared with the CNTs/Di scaffolds and GNPs/Di scaffolds. In addition, the scaffolds e...
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ژورنال
عنوان ژورنال: Journal of Mineralogical and Petrological Sciences
سال: 2017
ISSN: 1345-6296,1349-3825
DOI: 10.2465/jmps.161114c