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Tensile properties and strengthening mechanisms of SiCp-reinforced aluminum matrix composites as a function of relative particle size ratio

Published online by Cambridge University Press:  23 July 2013

Shiming Hao  and
Jingpei Xie
Shiming Hao
Affiliation:
Physical Engineering College and Laboratory of Materials Physics of the Ministry of Education of China, Zhengzhou University, Zhengzhou 450052, China
Jingpei Xie*
Affiliation:
College of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471023, China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Metal matrix composites manufactured by the powder metallurgy route often exhibit different tensile strength due to particle geometrical reasons. The tensile strength tendency was studied in 2024 Al/30% SiCp composites as a function of relative particle size (RPS) ratio between the matrix and reinforcement particles. Dry blended composite powders, with different RPS ratios, were hot-pressed in vacuum, their microstructures were observed, and their tensile properties were measured. It was found that a decrease in RPS ratio resulted in a decrease in tensile strength, as a result of improved distribution of the SiCp. Despite their low density and heterogeneous distribution, 3-μm SiCp-reinforced composites had maximum tensile strength. The main reasons were due to the few fracture for small SiCp and the strengthening of the matrix microstructure from small particle effects. Solution treatment plus aging of the composites with the RPS ratio of 10:3 resulted in a significant improvement (42%) in strength due to the smaller diffusion path length for the alloying element.

Type
Articles
Information
Journal of Materials Research , Volume 28 , Issue 15 , 14 August 2013 , pp. 2047 - 2055
Copyright
Copyright © Materials Research Society 2013 

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References

REFERENCES

Maruyama, B.: Discontinuously reinforced aluminum: Current status and future direction. JOM 51, 59 (1999).CrossRefGoogle Scholar
O'donnell, G. and Looney, L.: Production of aluminium matrix composite components using conventional PM technology. Mater. Sci. Eng., A 303(1), 292 (2001).CrossRefGoogle Scholar
Miracle, D.B.: Metal matrix composites–from science to technological significance. Compos. Sci. Technol. 65(15), 2526 (2005).CrossRefGoogle Scholar
Cui, Y., Wang, L.F., and Ren, J.Y.: Multi-functional SiC/Al composites for aerospace applications. Chin. J. Aeronaut. 21(6), 578 (2008).Google Scholar
Rawal, S.P.: Metal-matrix composites for space applications. JOM 53(4),14 (2001).CrossRefGoogle Scholar
Surappa, M.K.: Aluminium matrix composites: Challenges and opportunities. Sadhana 28(1–2), 319 (2003).CrossRefGoogle Scholar
Hund, E. and Pickens, J.O.: Silicon carbide whisker composites. U.S. Patent No. 4 463 058, 1984.Google Scholar
Prasad, V.V.B., Bhat, B.V.R., Mahajan, Y.R., and Ramakrishnan, P.: Clustering probability maps for private metal matrix composites. Scr. Mater. 43, 835 (2000).CrossRefGoogle Scholar
Jamaati, R., Amirkhanlou, S., Toroghinejad, M.R., and Niroumand, B.: Effect of particle size on microstructure and mechanical properties of composites produced by ARB process. Mater. Sci. Eng., A 528(4), 2143 (2011).CrossRefGoogle Scholar
Diler, E.A. and Ipek, R.: An experimental and statistical study of interaction effects of matrix particle size, reinforcement particle size and volume fraction on the flexural strength of Al-SiCp composites by P/M using central composite design. Mater. Sci. Eng., A 548, 43 (2012).CrossRefGoogle Scholar
Lewandowski, J.J., Liu, C., Hunt, W.H., Kumar, P., and Vedula, K.: Powder Metallurgy Composites (TMS, Warrendale, 1988), p. 117.Google Scholar
Stone, I.C. and Tsakirroponlos, P.: The effect of the spatial distribution of reinforcement on the fabrication and heat treatment of (Al4wt.%Cu)SiC particle metal matrix composites. Mater. Sci. Eng., A 189, 285 (1994).CrossRefGoogle Scholar
Stone, I.C. and Tsakirroponlos, P.: Characterisation of spatial distribution of reinforcement in powder metallurgy route Al/SiCp metal matrix composites. Mater. Sci. Technol. 11, 222 (1995).CrossRefGoogle Scholar
Yoshimura, H.N., Goncalves, M., and Goldenstein, H.: The effects of SiCp clusters and porosity on the mechanical properties of PM Al matrix composites. Key Eng. Mater. 127–131, 985 (1996).CrossRefGoogle Scholar
Prasad, V.V.B., Bhat, B.V.R., Mahajan, Y.R., and Ramakrishnan, P.: Structure/property correlation in discontinuously reinforced aluminium matrix composites as a function of relative particle size ratio. Mater. Sci. Eng., A 337, 179 (2002).CrossRefGoogle Scholar
Slipenyuk, A., Kuprin, V., Milman, Y., Spowart, J.E., and Miracle, D.B.: The effect of matrix to reinforcement particle size ratio (PSR) on the microstructure and mechanical properties of a P/M processed AlCuMn/SiCp MMC. Mater. Sci. Eng., A 381, 165 (2004).CrossRefGoogle Scholar
Wang, Z.W., Song, M., Sun, C., and He, Y.H.: Effects of particle size and distribution on the mechanical properties of SiC reinforced Al–Cu alloy composites[J]. Mater. Sci. Eng., A 528(3), 1131 (2011).CrossRefGoogle Scholar
Slipenyuk, A., Kuprin, V., Milman, Y., Goncharuk, V., and Eckert, J.: Properties of P/M processed particle reinforced metal matrix composites specified by reinforcement concentration and matrix-to-reinforcement particle size ratio. Acta Mater. 54, 157 (2006).CrossRefGoogle Scholar
Shin, K., Chung, D., and Lee, S.: The effect of consolidation temperature on microstructure and mechanical properties in powder metallurgy-processed 2XXX aluminum alloy composites reinforced with SiC particulates. Metall. Mater. Trans. A 28(12), 2625 (1997).CrossRefGoogle Scholar
Flom, Y. and Arsenault, R.J.: Effect of particle size on fracture toughness of SiC/Al composite material. Acta Metall. 37(9), 2413 (1989).CrossRefGoogle Scholar
Leroy, G., Embury, J.D., and Edwards, G.: Model of ductile fracture based on the nucleation and growth of voids. Acta Metall. 29, 1509 (1981).CrossRefGoogle Scholar
Flom, Y. and Arsenault, R.J.: Interfacial bond strength in an aluminum alloy 6061-SiC composite. Mater. Sci. Eng., A 77, 191 (1986).CrossRefGoogle Scholar
Fleck, N.A., Muller, G.M., Ashby, M.F., and Hutchinson, J.W.: Strain gradient plasticity: Theory and experiment. Acta Metall. Mater. 42, 475 (1994).CrossRefGoogle Scholar
Brown, L.M. and Stobbs, W.M.: The work-hardening of copper-silica v. equilibrium plastic relaxation by secondary dislocations. Philos. Mag. 34, 351 (1976).CrossRefGoogle Scholar
Hansen, N. and Jensen, D.J.: Flow stress anisotropy caused by geometrically necessary boundaries. Acta Metall. Mater. 40, 3265 (1992).CrossRefGoogle Scholar
Arsenault, R.J. and Shi, N.: Dislocation generation due to differences between the coefficients of thermal expansion. Mater. Sci. Eng. 81, 175 (1986).CrossRefGoogle Scholar
Arsenault, R.J., Wang, L., and Feng, C.R.: Strengthening of composites due to microstructural changes in the matrix. Acta Metall. Mater. 39, 47 (1991).CrossRefGoogle Scholar
Clyne, T.W. and Withers, P.J.: An Introduction to Metal Matrix Composites (Cambridge University Press, Cambridge, England, 1993). p. 273.CrossRefGoogle Scholar