Texture, Stress, and Microstructure

Texture, Stress, and Microstructure / 1993 / Article

Open Access

Volume 21 |Article ID 346837 | https://doi.org/10.1155/TSM.21.79

David Mainprice, Philippe Munch, "Quantitative Texture Analysis of an Anorthosite— Application to Thermal Expansion, Young's Modulus and Thermal Stresses", Texture, Stress, and Microstructure, vol. 21, Article ID 346837, 14 pages, 1993. https://doi.org/10.1155/TSM.21.79

Quantitative Texture Analysis of an Anorthosite— Application to Thermal Expansion, Young's Modulus and Thermal Stresses

Received24 Oct 1990

Abstract

Quantitative texture analysis of an anorthite (polycrystalline plagioclase feldspar) has been under taken using an optical microscope equipped with a universal stage. The microstructure was studied on three orthogonal sections. The microstructural shape analysis suggests an axial fabric which is confirmed by texture analysis. The texture has two major components, group I with ⊥(001) parallel to the axis of revolution and group II with ⊥(010). Group I has a much stronger axial character than group II. Using the orientation distribution function (ODF) defined by the individual orientations the thermal expansion, Young's Modulus and thermal stresses have been calculated for the plagioclase polycrystal. It is suggested that the distribution of thermal stresses could be used to estimate the orientation distribution of the poles to thermal cracks in the case of tensile (mode I) failure.

Copyright © 1993 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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