This paper presents what is our actual knowledge in the development of the on-line control
of the plasma spray process. First the influence of the different parameters on coating …

The damaging of the electrodes during spraying can affect the reproducibility of the plasma
spray process. Indeed, this may influence the plasma characteristics and the energy transfer …

The quality of plasma sprayed coatings depends strongly on substrate surface preparation,
especially roughness, grit residue, and oxidation stage; particle spray jet position and size …

The wear state of the different gun parts can affect the reproducibility of the plasma spray
process. Indeed, this may influence the plasma characteristics and the energy transfer to the …

Plasma spray technology is used in a wide range of applications (H. Herman, 2000). As the
coatings are more and more demanding, the on-line control of the plasma spray process …

As for every coating technology, the reliability and reproducibility of coatings are essential
for the development of the plasma spraying technology in industrial manufacturing. They …

Plasma spray technology, with its great number of coating-substrate combinations, satisfies
the demand of new materials needed to work in severe environments. After a general …

To obtain reproducible and reliable plasma sprayed coatings, it is mandatory to achieve an
on-line control of a few well chosen parameters. Among them the substrate and coating …

The coating characteristics of plasma sprayed layers are strongly related to the spray
parameters and the gun design which also determine the state of the sprayed powder …

This paper provides an overview of the tools and techniques used in industry to monitor and
control plasma spraying processes. It describes how the tools work and what they can reveal …