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The internal friction of cold-worked single crystals of high-purity silver has been measured in the temperature range 20-160 K at frequencies between 13 and 18 kHz. The temperature of the Bordoni peak was found to be substantially independent of the orientation of the crystal. This result is consistent with earlier work on gold and copper single crystals at kilohertz frequencies; none of these metals shows the orientation dependence of the Bordoni peak which has been observed at megahertz frequencies.
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Brown et al. (1973) studied this question.
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