High-temperature elasticity of magnesioferrite spinel

Sytle M. Antao, Ian Jackson, Baosheng Li, Hui-Chen Kung, Jiuhua Chen, Ishmael Hassan, Robert C. Liebermann, John B. Parise

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Abstract

The elastic moduli of magnesioferrite spinel, MgFe2 O4, and their temperature dependence have been determined for the first time by ultrasonic measurements on a polycrystalline specimen. The measurements were carried out at 300 MPa and to 700̊C in a gas-medium high-pressure apparatus. On heating, both the elastic bulk (KS) and shear (G) moduli decrease linearly to 350̊C. By combining with extant thermal-expansion data, the values for the room-temperature KS and G, and their temperature derivatives are as follows: K0 = 176.3(7) GPa, G0 = 80.1(2) GPa, (∂KS∂T)P = -0.032(3) GPa K-1 and (∂G/∂T P = -0.012(1) GPa K-1. Between 350 and 400̊C, there are abrupt increases of 1.4% in both of the elastic moduli; these closely coincide with the magnetic Curie transition that was observed by thermal analyses at about 360̊C.

Original languageEnglish
Pages (from-to)345-350
Number of pages6
JournalPhysics and Chemistry of Minerals
Volume34
Issue number5
DOIs
Publication statusPublished - 2007 Jul 1

Fingerprint

spinel
elasticity
Elasticity
elastic modulus
Elastic moduli
Ultrasonic measurement
temperature
thermal expansion
Temperature
Thermal expansion
Gases
Derivatives
heating
Heating
gas
spinell
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Geochemistry and Petrology

Cite this

Antao, S. M., Jackson, I., Li, B., Kung, H-C., Chen, J., Hassan, I., ... Parise, J. B. (2007). High-temperature elasticity of magnesioferrite spinel. Physics and Chemistry of Minerals, 34(5), 345-350. https://doi.org/10.1007/s00269-007-0152-z
Antao, Sytle M. ; Jackson, Ian ; Li, Baosheng ; Kung, Hui-Chen ; Chen, Jiuhua ; Hassan, Ishmael ; Liebermann, Robert C. ; Parise, John B. / High-temperature elasticity of magnesioferrite spinel. In: Physics and Chemistry of Minerals. 2007 ; Vol. 34, No. 5. pp. 345-350.
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Antao, SM, Jackson, I, Li, B, Kung, H-C, Chen, J, Hassan, I, Liebermann, RC & Parise, JB 2007, 'High-temperature elasticity of magnesioferrite spinel', Physics and Chemistry of Minerals, vol. 34, no. 5, pp. 345-350. https://doi.org/10.1007/s00269-007-0152-z

High-temperature elasticity of magnesioferrite spinel. / Antao, Sytle M.; Jackson, Ian; Li, Baosheng; Kung, Hui-Chen; Chen, Jiuhua; Hassan, Ishmael; Liebermann, Robert C.; Parise, John B.

In: Physics and Chemistry of Minerals, Vol. 34, No. 5, 01.07.2007, p. 345-350.

Research output: Contribution to journalArticle

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AU - Antao, Sytle M.

AU - Jackson, Ian

AU - Li, Baosheng

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AU - Hassan, Ishmael

AU - Liebermann, Robert C.

AU - Parise, John B.

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N2 - The elastic moduli of magnesioferrite spinel, MgFe2 O4, and their temperature dependence have been determined for the first time by ultrasonic measurements on a polycrystalline specimen. The measurements were carried out at 300 MPa and to 700̊C in a gas-medium high-pressure apparatus. On heating, both the elastic bulk (KS) and shear (G) moduli decrease linearly to 350̊C. By combining with extant thermal-expansion data, the values for the room-temperature KS and G, and their temperature derivatives are as follows: K0 = 176.3(7) GPa, G0 = 80.1(2) GPa, (∂KS∂T)P = -0.032(3) GPa K-1 and (∂G/∂T P = -0.012(1) GPa K-1. Between 350 and 400̊C, there are abrupt increases of 1.4% in both of the elastic moduli; these closely coincide with the magnetic Curie transition that was observed by thermal analyses at about 360̊C.

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