FIELD: construction.
SUBSTANCE: pyroelectric ceramic material including oxides Na2O, Li2O, Nb2O5-, SrO, according to invention, additionally contains Ag2O or Fe2O3 at the following ratio of components (in mole %): Na2O 42.5-43.03, Li2O 6.07-6.15, Nb2O5 48.96-49.57, SrO 0.98-1.0, Ag2O 0.25-1.49 or Fe2O3 0.25-1.49.
EFFECT: lower level of vibration noises due to increased ratio of pyrocoefficient to piezomodule.
1 tbl
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Authors
Dates
2009-07-10—Published
2006-06-05—Filed