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2017 | Vol. 83, nr 1 | 33--40
Tytuł artykułu

Influence of substrate temperature on adhesion of thermally sprayed Ni-5%Al coatings

Wybrane pełne teksty z tego czasopisma
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Purpose: In the paper effect of pre-heating the steel substrate on the adhesion of thermally sprayed Ni-5%Al alloy coatings was presented. The reason for the topic was the discrepancy between the literature data on the effect of the preheating of the substrate on the adhesion of the coatings and the guidelines of the coating material manufacturer. Design/methodology/approach: As a coating material the ProXon 21021 was used. It is an alloy of nickel aluminium and molybdenum. This material is often used during the regeneration of machine parts in the shipbuilding industry. The coatings by flame spraying using the Casto-Dyn DS 8000 torch were obtained. The samples were made of steel C45. The specimens to which the coating was applied were characterized by a similar surface roughness. Before applying the coatings, the samples were preheated to a temperature of 50 to 400°C. The coatings tested were similar in thickness. Adhesion strength of the coatings was determined by the pull-off method. Findings: The quantitative comparative assessment of the adhesion strength of thermally sprayed coatings can be implemented by a pull-off. The highest value of adhesion strength for coatings applied on substrates of 50, 300 and 400°C was found. Considering that the technical thermally sprayed coatings of Ni-5% Al, often require an additional machining, they must be applied to the steel substrate surface at 50°C. Research limitations/implications: The adhesion test of the coatings has not been executed in accordance with the requirements of PN-EN 582 Thermal spraying - Determination of tensile adhesive strength. Therefore, the quantitative results obtained are only comparative. Practical implications: The results obtained show that the regeneration coatings of ProXon 201021 material should only be applied to pre-heated by flame (among other things, to degrease the surface of the substrate) to a temperature of approximately 50°C. At the time the coatings are characterized by the greatest adhesion to the steel substrate. Originality/value: The study demonstrated the usefulness of cheaper method of pull-offs to evaluate the adhesion of flame sprayed coatings. The results show that there is no need for a pre-heating of the substrate between 150 and 250°C before thermal spraying. This article may be useful for technologists designing the process of regeneration of machine parts using flame spraying.
Wydawca

Rocznik
Strony
33--40
Opis fizyczny
Bibliogr. 25 poz., rys., tab.
Twórcy
  • Department of Marine Maintenance, Faculty of Marine Engineering, Gdynia Maritime University, ul. Morska 81-87, 81-225 Gdynia, Poland
autor
  • Department of Marine Maintenance, Faculty of Marine Engineering, Gdynia Maritime University, ul. Morska 81-87, 81-225 Gdynia, Poland , starosta@am.gdynia.pl
Bibliografia
  • [1] Z. Chen, K. Zhou, X. Lu, Y.C. Lam, A review on the mechanical methods for evaluating coating adhesion, Acta Mechanica 225 (2014) 431-452.
  • [2] J. Mikuliszyn, R. Starosta, The study of linear correlation between surface roughness parameters and adhesion of flame sprayed coatings, Journal of KONES 23/1 (2016) 223-230.
  • [3] H. Begg, M. Riley, H. de Villiers Lovelock, Mechanization of the grit blasting process for thermal spray coating applications: a parameter study, Journal of Thermal Spray Technology 25/1-2 (2016) 12-20.
  • [4] T. Hejwowski, Thermally sprayed modern coatings resistant on wear and erosion, Lublin University of Technology, Lublin, 2013 (in Polish).
  • [5] J. Matĕjíček, M. Vilémová, R. Mušálek, P. Sachr, J. Horník, The influence of interface characteristics on the adhesion/cohesion of plasma sprayed tungsten coatings, Coatings 3 (2013) 108-125.
  • [6] Z. Nitkiewicz, Arc plasma sources in surface engineering, Czestochowa University of Technology, Częstochowa, 2001 (in Polish).
  • [7] T. Samson, D. MacDonald, R. Fernandez, B. Jodoin, Effect of pulsed waterjet surface preparation on the adhesion strength of cold gas dynamic sprayed aluminum coatings, Journal of Thermal Spray Technology 24 (2015) 984-993.
  • [8] R. Starosta, Effect of burnishing on the contact fatigue of regenerative thermally sprayed coatings, Journal of KONES 20/1 (2013) 309-315.
  • [9] R. Starosta, Basics of production and processing of composite coatings in the processes of regeneration of elements of machines and devices operated in seawater environment, Gdynia Maritime University, Gdynia, 2013 (in Polish).
  • [10] M. Mellali, P. Fauchais, A. Grimaud, Influence of substrate roughness and temperature on the adhesion/ cohesion of alumina coatings, Surface and Coatings Technology 81 (1996) 275-286.
  • [11] K. Bobzin, M. Ote, T.F. Linke, J. Sommer, X. Liao, Influence of process parameter on grit blasting as a pretreatment process for thermal spraying, Journal of Thermal Spray Technology 25/1-2 (2016) 3-11.
  • [12] N. Krishnamurthy, S.C. Sharma, M.S. Murali, P.G. Mukunda, Adhesion behavior of plasma sprayed thermal barrier coatings on Al-6061 and cast iron substrates, Frontiers of Materials Science in China 3/3 (2009) 333-338.
  • [13] R.S.C. Paredes, S.C. Amico, A.S.C.M. d’Oliveira, The effect of roughness and pre-heating of the substrate on the morphology of aluminum coatings deposited by thermal spraying, Surface and Coatings Technology 200 (2006) 3049-3055.
  • [14] Y.Y. Wang, C.J. Li, A. Ohmori, Influence of substrate roughness on the bonding mechanisms of high velocity oxy-fuel sprayed coatings, Thin Solid Films 485 (2005) 141-147.
  • [15] B. Wielage, T. Grund, C. Rupprecht, S. Kuemmel, New method for producing power electronic circuit boards by cold-gas spraying and investigation of adhesion mechanisms, Surface and Coatings Technology 205 (2010) 1115-1118.
  • [16] R.R. Chromik, D. Goldbaum, J.M. Shockley, S. Yue, I.J. Eric Legoux, N.X. Randall, Modified ball bond shear test for determination of adhesion strength of cold spray splats, Surface and Coatings Technology 205 (2010) 1409-1414.
  • [17] D. Goldbaum, J.M. Shockley, R.R. Chromik, A. Rezaeian, S. Yue, J. Legoux, E. Irissou, The effect of deposition conditions on adhesion strength of Ti and Ti6Al4V cold spray splats, Journal of Thermal Spray Technology 21 (2012) 288-303.
  • [18] R. Huang, H. Fukanuma, Study of the influence of particle velocity on adhesive strength of cold spray deposits, Journal of Thermal Spray Technology 21 (2012) 541-549.
  • [19] C. Lyphout, P. Nylen, L.G. Ostergren, Adhesion strength of HVOF sprayed IN718 coatings, Journal of Thermal Spray Technology 21 (2012) 86-95.
  • [20] G. Marot, J. Lesage, Ph. Démarécaux, M. Hadad, St. Siegmann, M.H. Staia, Interfacial indentation and shear tests to determine the adhesion of thermal spray coatings, Surface and Coatings Technology 201 (2006) 2080-2085.
  • [21] M. Winnicki, A. Małachowska, M. Rutkowska-Gorczyca, A. Ambroziak, Adhesion of copper coatings on aluminum substrate obtained by LPCS, Welding Technology Review 2 (2014) 47-52 (in Polish).
  • [22] E. Nadasi, Modern methods of thermal spraying, WNT, Warsaw, 1975 (in Polish).
  • [23] C.R.C. Lima, J.M. Guilemany, Adhesion improvements of thermal barrier coatings with HVOF thermally sprayed bond coats, Surface and Coatings Technology 201 (2007) 4694-4701.
  • [24] A. Charchalis, R. Starosta, Effect of finishing on the corrosion properties of flame sprayed Ni-5%Al and Ni-5%Al-Al2O3 coatings, Journal of KONES 21/4 (2014) 30-36.
  • [25] M. Fukumoto, T. Yamaguchi, M. Yamada, T. Yasui, Splash splat to disk splat transition behavior in plasma-sprayed metallic materials, Journal of Thermal Spray Technology 16 (2007) 905-912.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
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