Abstract
Nickel matrixes reinforced with B4C have been fabricated by microwave sintering at various temperatures. A uniform nickel layer on B4C powders was deposited prior to sintering using electroless plating technique, allowing close surface contact than can be achieved using conventional methods such as mechanical alloying. The reactivity between B4C powders to form compounds is controlled through Ni layer existing on the starting powders. A composite consisting of quaternary additions, a ceramic phase, B4C, within a matrix of Ni B4C and etc., has been prepared at the temperature range 500°C-900°C under Ar shroud. XRD, SEM(Scanning Electron Microscope), compressive testing and hardness measurements were employed to characterize the proerties of the specimens. Experimental results carried out for 600°C suggest that the best properties as σmax and hardness (HV) were obtained at 600°C and the microwave sintering of electroless Ni plated B4C powders can be used to produce ceramic reinforced Nickel composites.
References
- Peng, H., 2001, “Microwave Sintering Process Models”, University of Alberta, Master Science Thesis, page 5.
- Fukushima H., Yamanaka T. and Matsui M.., 1998, “Development of microwave heating apparatus of ceramics and application to the sintering / joining”, J. Mater. Res., Vol.5, No.2, p.397. 1990 Materials Research Society
- J.N. Balaraju, T.S.N. Sankara Narayanan And S.K. Seshadrı , 2003, “Electroless Ni–P composite coatings”, Journal of Applied Electrochemistry, ISBN p807-819
- Agrawal. D., and other, ‘Microwave Sintering of Metals’, November 1999, Materials World, Vol. 7 no. 11 pp. 672-73
- Trojanová Z., Lukáˇc P., Ferkel H.and Riehemann W., 2004, “Internal Friction in Microcrystalline and Nanocrystalline Mg”, Materials Science and Engineering A 370, P154-157.
- Giampaolo A.R., Ordonez J. G., Gugliemacci J. M. and Lira J., 1997, “Electroless Nickel-Boron Coatings on Metal Carbides”, Surface and Coatings Technology, 89, P127-131.
- Sutton,W. H. ‘’Microwave Processing of Ceramic Materials’’, Ceramic Bulletin, Vol. 68, No.2, 1989
- Yıldız K. and Alp A., ‘’Using of Microwave in Metallurgical Processes’’, Metalurji TMMOB, Vol.24, No.125, 1300-4824,1999
Abstract
Nickel matrixes reinforced with B4C have been fabricated by microwave sintering at various
temperatures. A uniform nickel layer on B4C powders was deposited prior to sintering using
electroless plating technique, allowing close surface contact than can be achieved using conventional
methods such as mechanical alloying. The reactivity between B4C powders to form compounds is
controlled through Ni layer existing on the starting powders. A composite consisting of quaternary
additions, a ceramic phase, B4C, within a matrix of Ni B4C and etc., has been prepared at the
temperature range 500°C-900°C under Ar shroud. XRD, SEM(Scanning Electron Microscope),
compressive testing and hardness measurements were employed to characterize the proerties of the
specimens. Experimental results carried out for 600°C suggest that the best properties as σmax and
hardness (HV) were obtained at 600°C and the microwave sintering of electroless Ni plated B4C
powders can be used to produce ceramic reinforced Nickel composites.
References
- Peng, H., 2001, “Microwave Sintering Process Models”, University of Alberta, Master Science Thesis, page 5.
- Fukushima H., Yamanaka T. and Matsui M.., 1998, “Development of microwave heating apparatus of ceramics and application to the sintering / joining”, J. Mater. Res., Vol.5, No.2, p.397. 1990 Materials Research Society
- J.N. Balaraju, T.S.N. Sankara Narayanan And S.K. Seshadrı , 2003, “Electroless Ni–P composite coatings”, Journal of Applied Electrochemistry, ISBN p807-819
- Agrawal. D., and other, ‘Microwave Sintering of Metals’, November 1999, Materials World, Vol. 7 no. 11 pp. 672-73
- Trojanová Z., Lukáˇc P., Ferkel H.and Riehemann W., 2004, “Internal Friction in Microcrystalline and Nanocrystalline Mg”, Materials Science and Engineering A 370, P154-157.
- Giampaolo A.R., Ordonez J. G., Gugliemacci J. M. and Lira J., 1997, “Electroless Nickel-Boron Coatings on Metal Carbides”, Surface and Coatings Technology, 89, P127-131.
- Sutton,W. H. ‘’Microwave Processing of Ceramic Materials’’, Ceramic Bulletin, Vol. 68, No.2, 1989
- Yıldız K. and Alp A., ‘’Using of Microwave in Metallurgical Processes’’, Metalurji TMMOB, Vol.24, No.125, 1300-4824,1999
Details
| Primary Language | English |
|---|---|
| Subjects | Engineering |
| Journal Section | Articles |
| Authors | |
| Publication Date | December 1, 2009 |
| Submission Date | August 8, 2015 |
| Published in Issue | Year 2009 Volume: 9 Issue: 3 |