Insitu piezoceramic coating for acouso ultrasonic testing

Dutta, Soma and Jeyaseelan, Antony and Sabina, JEJ and Shubha, V (2010) Insitu piezoceramic coating for acouso ultrasonic testing. In: National Conference on Microsystems, Smart Materials, Structures: ISSS 10, Sept. 2010, Visvesvaraya National Institute of Technology, Nagpur, India.

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Abstract

Piezoelectric thick films for high frequency acousto ultrasonic application have been successfully deposited on different metallic and non metallic surfaces (flat and uneven) with different shapes by a modified sol–gel spray technique. The films with desired thickness up to 30 μm have been obtained through the multilayer coating approach at preferred locations. These thick films were also effectively coated both on flat and uneven surfaces. Modified sol gel composite with added crystalline seed has brought down the perovskite phase formation temperatures. 90% dense integrated films are obtained by this technique. Thick film coatings were characterized for compositional homogeneity, integrity with the host structure and piezoelectric properties.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Smart materials;Metallic surfaces;Non metallic surfaces
Subjects: CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
CHEMISTRY AND MATERIALS > Metals and Metallic Materials
CHEMISTRY AND MATERIALS > Nonmetallic Materials
Division/Department: Materials Science Division, Other, Other, Materials Science Division
Depositing User: Ms. Alphones Mary
Date Deposited: 05 Aug 2011 10:53
Last Modified: 05 Aug 2011 10:53
URI: http://nal-ir.nal.res.in/id/eprint/9782

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