Plasma sprayed coatings are widely used to protect parts from aggressive environments. In
applications such as land-based gas turbines, Thermal barrier Coatings (TBCs) are utilized …

Plasma-spray coatings are widely used in industry to protect the substrate against
aggressive environments or to alter the surface properties to enhance the wear resistance …

Nondestructive methods previously developed for the detection of flaws, such as
delaminations, or for the evaluation of the elastic properties of materials, could be judiciously …

Thermal spraying of protective coatings has been in use since 1917 when the initial
application was the spraying of zinc layers onto steel structures to prevent corrosion [1]. In …

Laser-induced surface acoustic wave spectroscopy (LISAWS) allows quick and
nondestructive evaluation of the elastic properties such as the Young's modulus of coatings …

The laser‐ultrasonic technique uses lasers to generate and detect ultrasound and present
interesting possibilities for characterizing thermal spray coatings in a non‐destructive …

Thermal spraying processing usually use nickel-aluminum alloy system as major powder
due to its strong adhesion to substrates. The contents of powder material and the processing …

Nondestructive techniques for evaluating and characterizing coatings have been extensively
demanded by the thermal spray community; nonetheless, few results have been produced in …

Laser ultrasonics has come of age in such diverse industrial applications as in-process
evaluation during steel processing [1] and composite air frame inspection [2, 3]. This …

The non-destructive characterization of thermal spray coatings for thermal barriers, anti-wear
or anticorrosion coatings is of particular importance for quality control, but it can be also very …