Analysis of lattice strains measured under nonhydrostatic pressure13;

Singh, AK and Balasingh, C and Mao, HK and Hemley, RJ and Shu, Jinfu (1998) Analysis of lattice strains measured under nonhydrostatic pressure13;. Journal of Applied Physics, 63 (12). pp. 7567-7575.

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The equations for the lattice strains produced by nonhydrostatic compression are presented for all seven crystal systems in a form convenient for analyzing x-ray diffraction data obtained by newly developed methods. The equations have been used to analyze the data on cubic (hec a-Fe) and hexagonal (hop E-Fe)system. The analysis gives information on the strain produced by the hydrostatic stress component. A new method of estimating the uniaxial stress component from diffraction data is presented. Most importantly, the present analysis provides a general method of determining single crystal elastic constants of ultrahigh pressures.

Item Type: Article
Uncontrolled Keywords: Nonhydrostatic compression;Ultrahigh pressures
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Depositing User: Ms. Alphones Mary
Date Deposited: 02 May 2006
Last Modified: 17 Aug 2015 10:27

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