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Gropyanov, A. V.; Gropyanov, V. M.

doi:10.1023/a:1011392331809

Cited by 2 publications

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“…There was a distinct trend of reducing grain size with increasing the relative content of MgO in the material system at both temperatures. This result may be reasonable because MgO itself is very refractive and hard to be densified in this temperature range of 1300 to 1400 o C. 18,19) It is likely that MgO acts as a grain growth inhibitor and lead to small grain sizes depending on the content of residual MgO. However, it is still interesting to note that the use of excessive MgO does not create low density or low shrinkage even the overall grain size tends to become smaller.…”

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confidence: 95%

Physical and Microwave Dielectric Properties of the MgO-SiO2 System

Yeon

Han

Key

et al. 2009

Korean. J. Mater. Res.

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Unreported dielectrics based on the binary system of MgO-SiO 2 were investigated as potential candidates for microwave dielectric applications, particularly those demanding a high fired density and high quality factors. Extensive dielectric compositions having different molar ratios of MgO to SiO and MgO beyond the 2:1 compositional ratio, which determined the final physical and dielectric properties of the corresponding composite samples. The increase of the ratio of MgO to SiO 2 tended to improve fired density and quality factor (Q) without increasing grain size. As a promising composition, the 5MgO.SiO 2 sample sintered at 1400 o C exhibited a low dielectric constant of 7.9 and a high Q × f (frequency) value of ~99,600 at 13.7 GHz. Key words Mg

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Section: )mentioning

confidence: 95%

Physical and Microwave Dielectric Properties of the MgO-SiO2 System

Yeon

Han

Key

et al. 2009

Korean. J. Mater. Res.

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“…Typical features of the process of decarbonization of magnesite are determined. Gropyanov and Gropyanov [21] 2001 Sintering kinetics of MgO studied on magnesite of provenance from the Chita Deposit…”

Section: Title Of Paper General Characterizationmentioning

confidence: 99%

Review on the elaboration and characterization of ceramics refractories based on magnesite and dolomite

Sadik

Moudden

Bouari

et al. 2016

Journal of Asian Ceramic Societies

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One of the most important elements of furnaces, boilers and other heating units is the structure (lining), usually made of silica-alumina, basic or special refractories. The basic refractories are materials that are increasingly in demand and whose manufacturing involves necessarily the use of MgO and CaO. In this article, the description and characterization of magnesite (MgCO 3) and dolomite (Mg,Ca(CO 3) 2) and their contribution in industrial ceramics-refractories have been reviewed.

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Cited by 2 publications

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Physical and Microwave Dielectric Properties of the MgO-SiO2 System

Physical and Microwave Dielectric Properties of the MgO-SiO2 System

Review on the elaboration and characterization of ceramics refractories based on magnesite and dolomite

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