Roman Jaworski

École Nationale Supérieure de Chimie de Lille

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Lech Pawłowski

Université de Limoges

Francine Roudet

Université d'Artois

Christel Pierlot

École Nationale Supérieure de Chimie de Lille

Stefan Kozerski

Wrocław University of Science and Technology

Fabrice Petit

Belgian Ceramic Research Centre

Muriel Bigan

Université de Lille

Marc Martel

Université de Lille

J.M. Hawkins

University of Cincinnati

H. Podlesak

Chemnitz University of Technology

Jacky Laureyns

Université de Lille

Cooperative Institutions

Centre National de la Recherche Scientifique

Université de Lille

École Nationale Supérieure de Chimie de Lille

Wrocław University of Science and Technology

University of Wrocław

Université d'Artois

AGH University of Krakow

Institute of Electron Technology

Laboratoire de Mécanique et Génie Civil

Laboratoire de Génie Civil et Géo Environnement

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Impedance spectroscopy of suspension plasma sprayed hydroxyapatite coatings

Optica Applicata (2009)

Tomasz Piasecki K. Nitsch Lech Pawłowski Roman Jaworski

Impedance spectroscopy was used to investigate the properties of hydroxyapatite (HA) coatings and their dependence on fabrication parameters. The HA layers were deposited on the titanium substrates using suspension plasma spraying. The analysis of the results was performed using equivalent circuit modelling. The HA layers contained crystalline and amorphous phases. The amount of amorphous phase raised with an increase of plasma torch power. The porosity of coatings was investigated by observation of water evaporation process. The conclusion was that samples fabricated with lower torch power had smaller and more complex pores structure.

Suspension

Plasma torch

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Citations (3)

Recent Developments in Suspension Plasma Sprayed Titanium Oxide and Hydroxyapatite Coatings

Journal of Thermal Spray Technology (2009)

Roman Jaworski Lech Pawłowski Christel Pierlot Francine Roudet Stefan Kozerski

Rutile

Suspension

Titanium oxide

Distilled water

Titanium Dioxide

10.1007/s11666-009-9425-z

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Citations (41)

Influence of Suspension Plasma Spraying Process Parameters on TiO2 Coatings Microstructure

Journal of Thermal Spray Technology (2007)

Roman Jaworski Lech Pawłowski Francine Roudet Stefan Kozerski A. Le Maguer

Suspension

Rutile

10.1007/s11666-007-9147-z

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Citations (47)

Advanced microstructural study of suspension plasma sprayed titanium oxide coatings

Surface and Coatings Technology (2008)

H. Podlesak Lech Pawłowski Jacky Laureyns Roman Jaworski Thomas Lampke

Rutile

Suspension

Titanium oxide

Titanium Dioxide

10.1016/j.surfcoat.2008.01.017

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Citations (24)

Phase evolution of hydroxapatite coatings suspension plasma sprayed using variable parameters in simulated body fluid

Surface and Coatings Technology (2009)

Romain d’Haese Lech Pawłowski Muriel Bigan Roman Jaworski Marc Martel

Simulated body fluid

Suspension

Deposition

Calcium nitrate

Microanalysis

10.1016/j.surfcoat.2009.10.022

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Citations (49)

Synthesis and Preliminary Tests of Suspension Plasma Spraying of Fine Hydroxyapatite Powder

Journal of Thermal Spray Technology (2008)

Roman Jaworski Christel Pierlot Lech Pawłowski Muriel Bigan Maxime Quivrin

Suspension

Ammonium phosphate

Aqueous suspension

Biomaterial

Ammonium dihydrogen phosphate

10.1007/s11666-008-9220-2

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Citations (22)

Design of the synthesis of fine HA powder for suspension plasma spraying

Surface and Coatings Technology (2008)

Roman Jaworski Christel Pierlot Lech Pawłowski Muriel Bigan Marc Martel

Suspension

Ammonium hydroxide

Zeta potential

10.1016/j.surfcoat.2008.10.036

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Citations (35)

The properties of hydroxyapatite and titanium oxide coatings obtained by suspension plasma spraying = Les propriétés de depots de l'hydroxyapatite et de l'oxyde de titane obtenus par la projection plasma de suspension

Roman Jaworski

Praca dotyczy badania warstw hydroksyapatytu i tlenku tytanu natryskiwanych plazmowo z zawiesin. Przeprowadzono m.in. badania korozji w plynie symulującym plyn ustrojowy, badania TiO2 za pomocą scratch testu

Suspension

Titanio

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Citations (0)

Two zones microstructure of suspension plasma sprayed hydroxyapatite coatings

Surface and Coatings Technology (2009)

Stefan Kozerski Lech Pawłowski Roman Jaworski Francine Roudet Fabrice Petit

Suspension

10.1016/j.surfcoat.2009.09.020

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Citations (86)

Effects of nonlinearity of Arrhenius equation on predictions of time to failure for batteries exposed to fluctuating temperatures

Roman Jaworski

A new approach to the analysis of battery aging is presented. This new method takes into account the temperature fluctuations experienced by batteries in the field. It can be used not only to predict battery life for a new product, but also can be a helpful tool in the development of new telecommunication network powering strategies.

10.1109/intlec.1998.793514

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Citations (10)