Hardened Aluminum with Discontinuous Copper Threads

  • Octavian POTECASU "Dunarea de Jos" University of Galati, Romania
  • Florentina POTECASU "Dunarea de Jos" University of Galati, Romania
  • Petrica ALEXANDRU "Dunarea de Jos" University of Galati, Romania
Keywords: aluminum, matrix, reinforcement, copper, threads

Abstract

The paper presents the influence of the quantity of discontinuous reinforced threads on the mechanical characteristics of some samples obtained through deformation from composite material with metallic matrix.
As a raw material for obtaining the matrix it was used aluminum powder and as a reinforcing phase, short and long copper threads with different volumetric percentages. The products have been plastically deformed at a final diameter of 3 mm.
The presence of the copper threads dispersed in the aluminum matrix in quantities of up to 16% copper (volumetric percentages), determines the hardening of the composite material. Above this limit the increase in the quantity of copper is no longer justified as it begins fragilizing the aluminum matrix.

Creative Commons License

Downloads

Download data is not yet available.

References

[1]. S. Umekawa, C. H. Lee, J. Yamatomo and K. Wakashima: “ Effect of Coatings on Interfacial Reaction in Tungsten/Nickel and Tungsten/316L Composites ” in Recent Advances in Composites in the United States and Japan, J. R. Visison and M. Taya (eds.), ASTM STP 864, Philadelphia, p. 619-31, 1985.
[2]. I. Ahmad and J. Barranco: “ W-2% ThO2 Filament Reinforced Cobalt Base Alloy Composites for High Temperature Application “, in Advanced Fibers and Composites for Elevated Temperatures, I. Ahmad and B. R. Noton (eds.), TMS-AIME, Warrendale, p. 183-204, 1980.
[3]. R. Warren, L. O. K. Larsson and T. Garvare: “ FibreMatrix Interactions in a W-Wire Reinforced Stainless Steel Composite “, Composites, 10, p. 121-125, 1979.
[4]. W. S. Miller and F. J. Humphreys -Strengthening Mechanisms in Metal Matrix Composites- Fundamental Relationships Between Microstructure and Mechanical Properties of Metal-Matrix Composites, P.K. Liaw and M. N. Gungor (eds.), TMS, Warrendale, Pa., p. 517-541, 1990.
[5]. D. J. Matthewman, P. J. Withers and J. Mason: “Particulate Reinforced Copper ”, in Metal Matrix Composites - Exploiting the Investment, London, Inst. of Metals, p. 25, 1991.
[6]. T. W. Clyne, A. J. Phillipps, S. J. Howard and M. C. Watson: “Mechanical Characterisation of Metal/Ceramic Interfaces in Composites and Laminates ”, in Proc. 2 end European Colloquium on Designing Ceramic Interfaces, Petten, Netherlands, S. D. Peteves (ed.), 1992.
[7]. F. Oprea, O. Potecasu, E. Drugescu, F. Potecasu, O.Mitoseriu - Interface Phenomena in Electroconducting Composites with Metallic Matrix - International Journal Materials and Manufacturing Processes (USA),1999, vol. 14, part 6, Publisher Marcel Dekker Jurnals, ISSN 1042-6914, p. 809-820.
Published
2006-11-15
How to Cite
1.
POTECASU O, POTECASU F, ALEXANDRU P. Hardened Aluminum with Discontinuous Copper Threads. The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science [Internet]. 15Nov.2006 [cited 22Nov.2024];29(2):83-5. Available from: https://gup.ugal.ro/ugaljournals/index.php/mms/article/view/3211
Section
Articles

Most read articles by the same author(s)

1 2 3 4 5 > >>