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Studies on the synthesis and characterisation of metallic fine powders for special coatings

E.-J. POPOVICI1,* , G. SIGARTAU1, V. GRABAN1, A.-R. TOMSA1, L. CIOROIANU2, A. BANTAS2, D. GHEORGHE3

Affiliation

  1. “Raluca Ripan“ Institute for Research in Chemistry, 30 Fântânele Str., 400294 Cluj-Napoca, Romania
  2. Energy Research and Modernising Institute –ICEMENERG, Bucharest, Romania
  3. Politehnica University of Bucharest, Biomaterial Center, Bucharest

Abstract

Silver powders were prepared in aqueous medium, in well controlled conditions (pH, temperature, concentration, surface regulators) by mixing the metallic salts solutions with different reducing agents such as formaldehide, hydrazine, ferous sulphate, tris-ethanolamine (TEA) etc. The powders were characterised by X-ray diffraction (XRD), scanning electron microscopy (SEM), thermal analysis (TGA-SDTA), FTIR spectroscopy and thermal diffusivity..

Keywords

Silver, Anticorrosive coatings, SEM, High disperse powders.

Submitted at: Feb. 25, 2008
Accepted at: Aug. 28, 2008

Citation

E.-J. POPOVICI, G. SIGARTAU, V. GRABAN, A.-R. TOMSA, L. CIOROIANU, A. BANTAS, D. GHEORGHE, Studies on the synthesis and characterisation of metallic fine powders for special coatings, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 9, pp. 2338-2341 (2008)