Elastic constants of sodium chlorate from 77 K to 350 K |
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| Authors: | K R Srinivasan E S R Gopal J Ramakrishnan S Krishnan |
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| Affiliation: | (1) Electronics Division, National Aeronautical Laboratory, 560017 Bangalore;(2) Physics Department, Indian Institute of Science, 560012 Bangalore |
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| Abstract: | The elastic constantsC 11,C 12 andC 44 of sodium chlorate single crystal have been evaluated using 10 MHz ultrasonic pulse echo superposition technique. The values areC 11=4.90,C 12=1.39,C 44=1.17 (× 1010 N/m 2) at 298 K and 6.15, 2.16, 1.32 (×1010 N/m 2) at 77 K. The data agree well with the values measured earlier up to 223 K. Brief mention is also made of the low temperature bonding problems in these soft crystals. |
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| Keywords: | Elastic constant sodium chlorate ultrasonic velocity |
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