Determination of Friction Coefficient at Sliding Indentation of Laser Cladding with Ni – Cr – B – Fe – Al Alloy
Keywords:
laser cladding, powder injection, sliding indentation
Abstract
To increase resistance to wear of the surface layers made from 0.45% C steel, a multilayer deposit by powder injection with the chemical composition Cr 8.9%, 4.5% Fe, 5.1% B, 2.4% Al, 0.6% Cu, and Ni was tested in a molten bath with a continuous wave of CO2 laser, coupled to a table within x-y-z coordinates. The layers were characterized by microstructural analysis, qualitative analysis of phase with the radiation difractometry X and EDX microanalysis. It was determined the friction coefficient developed during sliding indentation in dry friction conditions.
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References
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[2]. Popinceanu N, Gafiţanu C, Diaconescu E, Creţu S, Mocanu D.R. - Fundamental problems of rolling contact, Ed. Tehnică, Bucureşti, 1985.
[3]. Levcovici S. M. – Contributions to the laser surface treatment of tool steel, Doctoral thesis, Galaţi 1997.
[4]. Z. Liu, J. Sun, W. Shen, Study of plowing and friction at the surfaces of plastic deformed metals, Tribology International 35 (2002) 511-522.
[5]. DIN 50320 - Verschleiß. Begriffe, Systemanalyse von Verschleißvorgängen, Gliederung des Verschleißgebietes.
[6]. Crudu I – Contributions to the study of the influence of normal stress on static destruction by pitting of the point contacts, Doctoral thesis, Iaşi, 1969.
[7]. A.E. Tekkaya – An improved relationship between Vickers hardness and yield stress for cold formed materials and its experimental verification, Annals of the CIRP, vol. 49/1, p. 205-208.
[8]. D.A. Hills – Mechanics of elastic contacts, Butterworth – Heinemann, Oxford, 1993.
[9]. C. Spânu – Studies and researches on tribomodels as regards surface layer plastic deformation under rolling and sliding, Doctoral thesis, Galaţi 2002.
[10]. K. Komvopoulos – Three – dimensional contact analysis of elastic – plastic layered media with fractal surface topographies, Journal of Tribology, p. 632-640, 2001.
[11]. Boiciuc S – Research regarding laser cladding with injected powder, Doctoral thesis, Galaţi 2010.
[12]. Levcovici S., Levcovici D. T., Gheorghieş C., Boiciuc S., Laser Cladding of Ni-Cr-B-Fe-Al Alloy on a Steel Support, The International Thermal Spray Conference and Exposition (ITSC 2006) May 15th–17th, 2006, Seattle, Washington, U.S.A, Proceedings on CD, p. 1339-1344.
Published
2011-09-15
How to Cite
1.
BOICIUC S, SPÂNU C. Determination of Friction Coefficient at Sliding Indentation of Laser Cladding with Ni – Cr – B – Fe – Al Alloy. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Sep.2011 [cited 21Nov.2024];34(3):15-1. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/2933
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