scholarly journals Effect of temperature on elastic properties of alkaline earth oxides (AEO)

AIP Advances ◽  
2011 ◽  
Vol 1 (2) ◽  
pp. 022123 ◽  
Author(s):  
Seema Gupta ◽  
S. C. Goyal
Keyword(s):  
Elastic Properties ◽  
Alkaline Earth ◽  
Effect Of Temperature

scholarly journals Isobaric Study of the Elastic Properties for Alkaline Earth Oxides under High Temperature

2011 ◽  
Vol 2011 ◽  
pp. 1-6
Author(s):  
Seema Gupta ◽  
S. P. Singh ◽  
S. C. Goyal
Keyword(s):  
High Pressure ◽  
High Temperature ◽  
Elastic Properties ◽  
Alkaline Earth ◽  
Effect Of Temperature ◽  
High Pressure High Temperature ◽  
Anharmonic Term ◽  
Logarithmic Series ◽  
Temperature Equation ◽  
Good Agreement

A simple and straightforward theoretical model is developed to investigate the elastic properties of alkaline earth oxides under the effect of temperature as well as pressure. The calculation is performed with the help of high pressure-high temperature equation of state based on thermodynamic analysis. The anharmonic term arising due to thermal expansion has been taken into account in the expansion of logarithmic series of the thermodynamic data. The results obtained for alkaline earth oxides are discussed and compared with experimental data under the combined effect of high temperature and high pressure. The results are found to be in good agreement with available experimental results.

Thermorheological Characterization of Elastoviscoplastic Carbopol Ultrez 20 Gel

2015 ◽  
Vol 137 (3) ◽  
Author(s):  
M. A. Hassan ◽  
Manabendra Pathak ◽  
Mohd. Kaleem Khan
Keyword(s):  
Experimental Investigation ◽  
Yield Stress ◽  
Elastic Properties ◽  
Viscous Dissipation ◽  
Power Law ◽  
Effect Of Temperature ◽  
Rheological Parameters ◽  
Frequency Range ◽  
Power Law Index

The temperature and concentration play an important role on rheological parameters of the gel. In this work, an experimental investigation of thermorheological properties of aqueous gel Carbopol Ultrez 20 for various concentrations and temperatures has been presented. Both controlled stress ramps and controlled stress oscillatory sweeps were performed for obtaining the rheological data to find out the effect of temperature and concentration. The hysteresis or thixotropic seemed to have negligible effect. Yield stress, consistency factor, and power law index were found to vary with temperature as well as concentration. With gel concentration, the elastic effect was found to increase whereas viscous dissipation effect was found to decrease. Further, the change in elastic properties was insignificant with temperature in higher frequency range of oscillatory stress sweeps.

Effect of pressure on structural and elastic properties of alkaline-earth oxide CaO

2006 ◽  
Vol 60 (25-26) ◽  
pp. 3153-3155 ◽  
Author(s):  
L. Louail ◽  
O. Krachni ◽  
A. Bouguerra ◽  
F. Ali Sahraoui
Keyword(s):  
Elastic Properties ◽  
Alkaline Earth ◽  
Alkaline Earth Oxide ◽  
Effect Of Pressure

Full potential calculation of structural, electronic and elastic properties of alkaline earth oxides MgO, CaO and SrO

2004 ◽  
Vol 344 (1-4) ◽  
pp. 334-342 ◽  
Author(s):  
H. Baltache ◽  
R. Khenata ◽  
M. Sahnoun ◽  
M. Driz ◽  
B. Abbar ◽  
...  
Keyword(s):  
Elastic Properties ◽  
Alkaline Earth ◽  
Full Potential

scholarly journals Pressure induced structural phase transitions—A review

2012 ◽  
Vol 10 (5) ◽  
pp. 1391-1422 ◽  
Author(s):  
Purvee Bhardwaj ◽  
Sadhna Singh
Keyword(s):  
Experimental Data ◽  
High Pressure ◽  
Phase Transitions ◽  
Elastic Properties ◽  
Alkaline Earth ◽  
Structural Phase ◽  
Theoretical Work ◽  
Structural Phase Transitions ◽  
Contemporary Status ◽  
Complete Set

AbstractThe contemporary status of experimental as well as theoretical advances within the special view of structural phase transitions is reviewed. A brief outline of phase transitions and its classification is presented first. High-pressure experimental techniques developed for studying the structural phase transitions and elastic properties are reviewed. The complete set of theoretical and experimental data obtained is for the group II–IV alkaline earth chalcogenides. Here the authors review the currently used calculations and high-pressure behavior of these materials and the theoretical work that has been done on them.

Elastic properties and structure of alkaline-earth silicate glasses

1976 ◽  
Vol 22 (1) ◽  
pp. 67-76 ◽  
Author(s):  
N. Soga ◽  
H. Yamanaka ◽  
C. Hisamoto ◽  
M. Kunugi
Keyword(s):  
Elastic Properties ◽  
Alkaline Earth ◽  
Silicate Glasses

Elastic properties of alkaline earth oxides under high pressure

2010 ◽  
Vol 83 (12) ◽  
pp. 1059-1071 ◽  
Author(s):  
Vipra Pandey ◽  
Seema Gupta ◽  
S.K. Rathi ◽  
S.C. Goyal
Keyword(s):  
High Pressure ◽  
Elastic Properties ◽  
Alkaline Earth
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