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 …

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 …

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 …

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 …

Study on atmospheric plasma spraying of Al2O3 using on-line particle monitoring

L Zhao, K Seemann, A Fischer… - Surface and Coatings …, 2003 - Elsevier
In recent years, the interest in on-line diagnostic methods for thermal spraying has been
increasing. The particle in-flight properties can be determined using such methods. One of …

Application of digital CCD camera for monitoring of particle-in-flight parameters in plasma and HVOF spraying

M Ignatiev, I Smurov, P Bertrand - ITSC2002, 2002 - dl.asminternational.org
This paper compares two approaches for monitoring in-flight particle properties during
thermal spraying, one based on an industrial CCD camera, the other on a commercial …

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 …

Diagnostic of In-flight Particle Properties and Resulting Coating Qualities on Atmospheric Plasma Spray Process

E Lugscheider, A Fischer, D Koch… - Thermal Spray 2001 …, 2001 - dl.asminternational.org
Thermal spray technology became established in various parts of industry (eg aircraft
industry, medical industry etc.). Some of the applications are highly sensitive, therefore the …

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 …

Determination of local deposition efficiency based on in-flight particle diagnostics in plasma spraying

K Bobzin, W Wietheger, H Heinemann… - Surface and Coatings …, 2020 - Elsevier
Increasing the deposition efficiency (DE) and consequently reducing the manufacturing
costs has been always one of the central goals in thermal spraying. Hence, the effect of …