Open AccessThe determination of the elastic moduli of the piezo-electric crystal Rochelle salt by a statical method
Author(s) -
W. Mandell
Publication year - 1927
Publication title -
proceedings of the royal society of london series a containing papers of a mathematical and physical character
Language(s) - English
Resource type - Journals
eISSN - 2053-9150
pISSN - 0950-1207
DOI - 10.1098/rspa.1927.0154
Subject(s) - salt (chemistry) , moduli , crystal (programming language) , quartz , materials science , kilogram , composite material , chemistry , physics , computer science , medicine , body weight , programming language , quantum mechanics
Rochelle salt owes its importance to the fact that it possesses piezo-electric properties which are much greater in magnitude than in the case of any other known Substance. Nicholson points out that whereas the larger of the two piezo-electric moduli of quartz is 0.0677 E. S. U. per kilogram, a usual value for Rochelle salt is 10 E. S. U., and this can be increased to 200 E. S. U. per kilogram for crystals grown in a special manner so as to develop what is known as a composite structure.
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