نتایج جستجو برای: nanocrystalline magnesium aluminate

تعداد نتایج: 49309  

Transparent polycrystalline spinel ceramic was fabricated without any sintering aids by spark plasma sintering method of a mixture of Al2O3 and MgO powders for only 10min soak at 1250°C. Densification, microstructure and optical transparency of spinel were examined. The spinel exhibits an in-line transmission of 55% for a visible-wavelength of 470nm and high hardness value of 2040 HV.

Journal: :IEEE Transactions on Nanotechnology 2021

This paper reports on an investigation into the effects of different multi-element oxide nanofillers structure and dielectric properties polypropylene (PP)-based nanocomposites. Magnesium aluminate (MgAl2O4), calcium carbonate (CaCO3) surface-modified (CaCO3T) have been added to PP determine their thermal properties, structural changes, response breakdown strength. The results show that nanocom...

Journal: :Frontiers in Materials 2021

Anode carbon residue is produced in the production of electrolytic aluminum. Its properties need to be studied for secondary utilization. In this paper, mineralogy anode from an aluminum plant Guizhou was studied. The chemical composition, structure, mineral occurrence state main elements, etc, investigated. results show that: mainly composed 14 minerals such as cryolite, cryolithionite, elpaso...

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