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 …

Ultrasonic methods are developed for characterizing plasma-sprayed coatings. First,
ultrasonic spectroscopy is used to determine the acoustic properties of various plasma …

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 …

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 …

A round-robin test was implemented where nine European research institutions and
universities applied different thermal, ultrasonic, and magnetic methods for measuring the …

A round-robin test was implemented where nine European research institutions and
universities applied different thermal, ultrasonic and magnetic methods for measuring the …

One of the primary concerns in thermal spray coatings is bond integrity, as disbonds at the
coating/substrate interface could cause premature failure of a component. Current quality …

Plasma-sprayed ceramic coatings are being developed for many applications such as
thermal barriers and corrosion protection. In plasma spraying, the ceramic powder is heated …

Porosity is an important factor in plasma-sprayed coatings, especially ceramic coatings.
Excessive poros-ity can adversely affect the performance of the coated component in …