Paper Title:
High Temperature Elastic Properties of Refractory Materials
  Abstract

A pulse-echo technique, based on ultrasonic "long-bar" mode (LBM) velocity measurements, working up to 1700°C is described. Magnetostrictive transducers and ultrasonic lines used in a 40-350 kHz frequency range are detailed. The conditions of choice of fundamental parameters (frequency, line geometry, sample size) are discussed in relation with the nature and the microstructure of the materials under test. This technique can be used to study the variations of elastic moduli of materials at high temperature.

  Info
Periodical
Edited by
S. Itoh, J.J. Yoh and K. Hokamoto
Pages
59-64
DOI
10.4028/www.scientific.net/MSF.673.59
Citation
M. G. Kakroudi, S. Khameneh Asl, "High Temperature Elastic Properties of Refractory Materials", Materials Science Forum, Vol. 673, pp. 59-64, 2011
Online since
January 2011
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