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<p>In present work, we have theoretically calculated the value of thermal pressure and thermal expansivity (α) of three oxide minerals viz. MgO (Magnesium Oxide), Al<sub>2</sub>O<sub>3</sub> (Aluminiumoxide/Alumina)and Mg<sub>2</sub>SiO<sub>4</sub> (Forsterite) by using three well known relation (I). Shanker relation, (II). Singh relation and (III). Shanker and Kushwah relations. The Calculated result of thermal pressure by using the said relation and for said materials shows all the three relation corresponds well with experimental value upto temperature 1400&#xa0;K then after they starts deviating with experimental value but the deviation is very least. Further for calculated value of thermal expansivity (α) by using Anderson relation with the Shanker et al. relation, Singh relation and Shanker and Kushwah relation, it shows that when the said equations submitted in Anderson relation, they give entirely different values of thermal expansivity and they do not correspond well with each other.</p>

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Theoretical Prediction of Thermal Pressure for some Oxide Minerals

  • 期刊论文

  • 发表日期：

    2025年12月5日

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  • Anjani K. Pandey,
  • Prachi Singh,
  • Shivam Srivastava,
  • Chandra K. Dixit,
  • Shipra Tripathi

摘要

In present work, we have theoretically calculated the value of thermal pressure and thermal expansivity (α) of three oxide minerals viz. MgO (Magnesium Oxide), Al2O3 (Aluminiumoxide/Alumina)and Mg2SiO4 (Forsterite) by using three well known relation (I). Shanker relation, (II). Singh relation and (III). Shanker and Kushwah relations. The Calculated result of thermal pressure by using the said relation and for said materials shows all the three relation corresponds well with experimental value upto temperature 1400 K then after they starts deviating with experimental value but the deviation is very least. Further for calculated value of thermal expansivity (α) by using Anderson relation with the Shanker et al. relation, Singh relation and Shanker and Kushwah relation, it shows that when the said equations submitted in Anderson relation, they give entirely different values of thermal expansivity and they do not correspond well with each other.