In-flight particle concentration and velocity measurements in thermal spraying using a non-intensified CCD camera

J Vattulainen, T Lehtinen, R Hernberg… - International …, 1998 - dl.asminternational.org
Plasma spraying is a complicated process involving many partly interdependent parameters,
which are in industrial spray environments difficult to optimise without laborious and time …

In-Situ Measurement of Particle Concentration and Velocity Using a Non-lntensified CCD Camera

J Knuuttila, P Saarenrinne… - International …, 1997 - dl.asminternational.org
The deposition efficiency (DE) of a particular powder for a particular thermal spray process is
very important factor when coating economics is being considered. There are many coating …

Correlations between in-flight particle concentrations and coating properties in atmospheric plasma spraying of alumina

T Lehtinen, J Knuuttila, J Vattulainen… - International …, 1996 - dl.asminternational.org
The plasma spraying process is controlled by various parameters that have an influence on
powder particle velocities, temperatures and trajectories just before impact to the substrate …

Novel method for in-flight particle temperature and velocity measurements in plasma spraying using a single CCD camera

J Vattulainen, E Hämäläinen, R Hernberg… - Journal of Thermal …, 2001 - Springer
A novel, technically simple imaging system for individual, in-flight particle temperature and
velocity measurements for plasma and other thermal spray processes is described. A …

In-flight characteristics of plasma sprayed alumina particles: measurements, modeling, and comparison

MP Planche, R Bolot, C Coddet - Journal of thermal spray technology, 2003 - Springer
The key phenomena controlling the properties of sprayed coatings are the heat and
momentum transfer between the plasma jet and the injected particles. Modern on-line …

Investigation and comparison of in-flight particle velocity during the plasma-spray process as measured by laser Doppler anemometry and DPV-2000

G Mauer, R Vaßen, S Zimmermann, T Biermordt… - Journal of thermal spray …, 2013 - Springer
Plasma spraying has become one of the most important thermal-spray technologies due to
low operating costs, high deposition rates, and a high efficiency. It is especially suitable for …

Optimisation and monitoring of spray parameters by a CCD camera based imaging thermal spray monitor

P Vuoristo, S Ahmaniemi, S Nuutinen, T Mäntylä… - …, 2001 - dl.asminternational.org
On-line monitoring of two thermal spray processes by means of an imaging diagnostic
technique capable of measuring several spray particle properties, such as individual and …

Improving powder injection in plasma spraying by optical diagnostics of the plasma and particle characterization

G Mauer, R Vaßen, D Stöver, S Kirner… - Journal of Thermal …, 2011 - Springer
Powder injection parameters such as gas flow, injection angle, and injector position strongly
influence the particle beam and thus coating properties. The interaction of the injection …

Temperature measurement challenges and limitations for in-flight particles in suspension plasma spraying

B Aziz, P Gougeon, C Moreau - Journal of Thermal Spray Technology, 2017 - Springer
Suspension plasma spraying (SPS) acquires a significant interest from the industry. The
deposited coatings using this technique were proved to have unique microstructural features …

[PDF][PDF] PSI: An innovative method to determine and to classify particles during the thermal spray process

S Zimmermann, K Landes, J Schein - ITSC2008 Maastricht, 2008 - academia.edu
Coatings produced by thermal spray processes are determined by particle parameters,
which can be investigated using various diagnostic systems. With the newly developed PSI …