Diffusion in periclase by combination of analytical formulas and thermodynamic model

Autor:	E. Dologlou
Jazyk:	angličtina
Rok vydání:	2012
Předmět:	Environmental technology. Sanitary engineering TD1-1066 Geography. Anthropology. Recreation Environmental sciences GE1-350 Geology QE1-996.5
Zdroj:	Natural Hazards and Earth System Sciences, Vol 12, Iss 6, Pp 1841-1844 (2012)
Druh dokumentu:	article
ISSN:	1561-8633 1684-9981
DOI:	10.5194/nhess-12-1841-2012
Popis:	Analytical formulas for the temperature dependence of elastic constants of MgO combined with a thermodynamic model, which interconnects bulk properties to point defect parameters, can successfully reproduce the self diffusion coefficients of periclase at temperatures representative of the Earth's mantle conditions. Although the calculated diffusion coefficients are estimated from a single measurement and cover a broad range of values (i.e. five orders of magnitude), an almost excellent agreement with the experimental ones is observed. The slight discrepancy at the highest temperature lies at error margins.
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/4990735dc32041b0bdc34b5ad537fde2 Zobrazit plný text záznamu View record in DOAJ