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 …

An ultrasonic, nondestructive contact measurement technique was employed to detect and
characterize the elastic anisotropy of a free-standing, plasma-sprayed alumina coating …

A study examining the application of ultrasonic testing to plasma sprayed coatings is
presented. It is shown that bonding defects in aluminium and molybdenum coated samples …

The porosities of plasma-sprayed Al 2 O 3, ZrO 2, and TiO 2 coatings deposited on 304
stainless steel plates were evaluated by the digital image analysis method. As the accuracy …

In the thermal spraying process, the porosity of ceramic coatings contributes directly to the
efficiency of the thermal insulation. The size, shape, and distribution of the pores determine …

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

Porosity in plasma-sprayed coatings is vital for most engineering applications. Porosity has
its merits and demerits depending on the functionality of the coating and the immediate …

Small-angle neutron scattering (SANS) was used to study the porosity of plasma sprayed
deposits of alumina in as-sprayed and heat-treated conditions. SANS results were …

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 …

The effects of pore sizes, shapes, and orientations on the mechanical properties of thermally
sprayed ceramic coatings are investigated. The analysis is conducted using detailed finite …