Paper Title:

Single Crystal Elastic Constants of the MAX Phase Ti3AlC2 Determined by Neutron Diffraction

Periodical Materials Science Forum (Volumes 638 - 642)
Main Theme THERMEC 2009
Edited by T. Chandra, N. Wanderka, W. Reimers , M. Ionescu
Pages 2417-2422
DOI 10.4028/
Citation Oliver Kirstein et al., 2010, Materials Science Forum, 638-642, 2417
Online since January, 2010
Authors Oliver Kirstein, Jian F. Zhang, Erich H. Kisi, D.P. Riley, M.J. Styles, Anna Maria Paradowska
Keywords Ceramic, MAX Phase, Neutron Diffraction, Reuss Model, Single Crystal Elastic Constant, Ternary Alloys
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The ternary ceramic Ti3AlC2 has an interesting combination of electrical, thermal and mechanical properties. Single crystal elastic constants under the Reuss approximation for the micromechanical state were obtained by analysing the shifts of neutron diffraction peaks while a polycrystalline sample was subjected to a compressive load varying from 5 to 300 MPa. The values of Young’s modulus and Poisson’s ratio computed from the single crystal compliances are in good agreement with those obtained directly from strain gauges and from the average changes in the a and c unit cell parameters.

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