Accession Number : AD0165104

Title :   High Strength Barium Titanate Ceramic Bodies.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Walker,Basil E. , Jr. ; Spann,J. Richard ; Rice,Roy W.

Report Date : 21 AUG 1973

Pagination or Media Count : 3

Abstract : The present invention provides novel barium titanate-based ceramic bodies having improved densification and mechanical strength properties without impairment of ferroelectric and dielectric characteristics. The combination of at least about 0.1% halide slats selected from the group consisting of alkali metal fluorides and LiCl with at least about 0.5% MgO or La2O3 and balance BaTiO3 comprise the ingredients for the high strength ceramic bodies. Standard manufacturing techniques such as, for example, cold pressing, sintering and annealing or hot pressing plus annealing are suitable to produce the novel ceramic bodies for use as piezoelectric elements, capacitors, and electrooptical elements.

Descriptors :   *Barium titanates, *Patents, Dielectrics, Density, Strength(Mechanics), Fluorides, Lithium chloride, Magnesium oxides, Lanthanum compounds, Oxides

Subject Categories : Electrical and Electronic Equipment
      Ceramics, Refractories and Glass

Distribution Statement : APPROVED FOR PUBLIC RELEASE