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Thickness Measurements and Flaw Detection of Ceramics

Ceramic Parts, Coatings

New techniques in the manufacture of ceramics have led to many new high-performance and heat resistant ceramics that have found increasing use in the automotive, aerospace, and electronic industries.

Most structural and electronic ceramic components are well suited for ultrasonic thickness gaging. Fired ceramics can generally be measured over a wide thickness range and with a great degree of precision. Ultrasonic gages can be used to measure the thickness of structural ceramic products such as turbine blades, valves, and other engine components. Elastic modulus can also be calculated through measurement of longitudinal and shear wave velocities.

In addition to basic wall thickness measurements, ultrasonic gages can measure ceramic coatings on most substrates. Ultrasonics is also a technique well suited the nondestructive detection of flaws, irregularities, and bond integrity in ceramic parts and components.

Because of the wide variety of physical properties in ceramic materials, it is recommended that a sales engineer be consulted for final selection of instrumentation.

Olympus IMS

Products used for this application


The handheld 45MG ultrasonic thickness gage is packed with measurement features and software options. This unique instrument is compatible with the complete range of Olympus dual element and single element transducers, making this gage an all-in-one solution for virtually every thickness gage application.


The 38DL PLUS is an advanced ultrasonic thickness gage. Uses dual element transducer for internal corrosion applications, and has features that include THRU-COAT technology and echo-to-echo. Uses single element transducers for very precise thickness measurements of thin, very thick, or multilayer materials.
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