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High Temperature Material Processes (An International Quarterly of High-Technology Plasma Processes)

An International Journal

ISSN for PRINT: 1093-3611

Institutional price:	$604.00
Issues per year:	4

Best Paper Award Selection - Editorial Board Site

2007, Volume11

164 pages

DOI: 10.1615/HighTempMatProc.v11.i3

Issue price - $168.00

SURFACE ALLOYING OF METALS USING A QUASI-STATIONARY PLASMA ACCELERATOR

V. V. Uglov
Dpt. of Solid State Physics - Belarusian State University, 4, F.Nezavisimosti ave., 220030 Minsk, Belarus

N. N. Cherenda
Belarusian State University, 4, F.Nezavisimosti ave., 220030 Minsk, Belarus

V. M. Anishchik
Dpt. of Solid State Physics - Belarusian State University, 4, F.Nezavisimosti ave., 220030 Minsk, Belarus

A. K. Stalmashonak
Belarusian State University, 4, F.Nezavisimosti ave., 220030 Minsk, Belarus

A. G. Kononov
Belarusian State University, 4 Nezavisimosti ave., 220030 Minsk, Belarus

Yu. A. Petuhov
Belarusian State University, 4 Nezavisimosti ave., 220030 Minsk, Belarus

V. M. Astashinski
Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, 70 Nezavisimosti ave., 220072 Minsk, Belarus

A. M. Kuzmitski
Institute of Molecular and Atomic Physics, National Academy of Sciences of Belarus, 70 Nezavisimosti ave., 220072 Minsk, Belarus

ABSTRACT

The main regularities of Al and Ni surface alloying by means of compression plasma flows treatment of Ti/Al and Zr/Ni (coating/substrate) systems were investigated in this work. X-Ray diffraction, Rutherford backscattering and scanning electron microscopy were used as investigation techniques. It was found that a mixed layer contained intermetallides (Al₃Ti, Al₂Ti or Ni₅Zr) and nitrides (AlN, TiN or ZrN) providing microhardness increase. The phase composition of the mixed layer is correlated with the phase composition given by the equilibrium phase diagram. Thus, compression plasma flows can be effectively used for the predictable formation of a variety of alloys in the surface layer of metals by means of “coating/substrate” system treatment.