Effect of Fiber Volume Fraction on Low Cycle Fatigue Behavior of Al₂O_3f/Al-Si Composites

Abstract:

The tensile and low cycle fatigue tests were carried out on alumina short fibers reinforced Al-Si piston alloy composites (Al-Si MMCs). Three Al-Si MMCs reinforced with 10, 17 and 25 vol.% of alumina short fibers were prepared to investigate the effects of volume fraction on tensile and low cycle fatigue properties at room temperature (RT) and 350°C. The results showed that the tensile strength decreased with the increasing of volume fraction of fibers at RT and was slight different at 350°C. Among the three MMCs, the 17%-MMCs showed highest stress level under the low cycle fatigue tests. The fatigue cracks were usually initiated from the clustered and large size fibers near the surface of specimen, propagated along the fiber/matrix interface at RT and grew rapidly by means of broken the fibers at 350°C.

• Periodical: Advanced Materials Research (Volumes 622-623)
• Pages: 1340-1344
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.622-623.1340
• Online since: December 2012
• Authors: Jian Jun Cui, Bing Chao Li, Guo Hua Zhang, Jian Xin Zhang, Zuo Shan Wei, Zeng Jian Feng, Wei Cai
• Keywords: Fracture, Low Cycle Fatigue, Metal Matrix Composite (MMC), Tensile, Volume Fraction

References

[1] Clyne T W, Bader M G, Cappleman G R, Hubert P A, The use of a δ–alumina fibre for metal-matrix composites, J Mater Sci 20 (1989) 85-96.

DOI: 10.1007/bf00555902

[2] Friend C M, The effect of matrix properties on reinforcement in short alumina fibre-aluminium metal matrix composites, J Mater Sci 22 (1987) 3005-3010.

DOI: 10.1007/bf01086505

[3] Henning W, Nette G, Schmid E, Influence of heat-treatment on the fiber stability in reinforced Al–Si light-metal piston alloys, Metall 48 (1994) 451–454.

[4] Akbulut H, Durman M, Yilmaz F, A comparison of as-cast and heat treated properties in short fiber reinforced Al–Si piston alloys, Scripta Materialia 36 (1997) 835–840.

DOI: 10.1016/s1359-6462(96)00457-5

[5] Huang Y D, Hort N, Kainer K U, Thermal behavior of short fiber reinforced AlSi12CuMgNi piston alloys, Composites A 35 (2004) 249–263.

DOI: 10.1016/j.compositesa.2003.09.027

[6] Neite G, Mielke S, Thermal expansion and dimensional stability of aluminum fibre reinforced aluminum alloys. Mater Sci Engng A 148 (1991) 85–92.

DOI: 10.1016/0921-5093(91)90868-n

[7] Hille D V, Bengtsson S, Warren R, Quantitative metallographic study of fibre morphology in a short alumina fibre reinforced aluminium alloy matrix, Composites Science and Technology, 35(1989)195-206.

DOI: 10.1016/0266-3538(89)90095-x

[8] Yasuo O, Kiyotaka M, Takashi M, Mitsushi W, Effects of volume fraction of alumina short fibers on high cycle fatigue properties of Al and Mg alloy composites, Materials Science and Engineering A 15(2007)230-236.

DOI: 10.1016/j.msea.2006.09.122

[9] Fang C K, Fang R L, Weng W P, Chuang T H, Applicability of Ultrasonic Testing for the Determination of Volume Fraction of Particulates in Alumina-Reinforced Aluminum Matrix Composites, Materials Characterization, 43(1999)217-226.

DOI: 10.1016/s1044-5803(99)00043-1

[10] Jorce M R, Styles C M, Reed P A S, Elevated temperature short crack fatigue behaviour in near eutectic Al–Si alloys, International Journal of Fatigue 25 (2003) 863–869.

DOI: 10.1016/s0142-1123(03)00157-9

[11] Ding H Z, Hartmann O, Biermann H, Mughrabi H, Modelling low-cycle fatigue life of particulate-reinforced metal-matrix composites, Mater Sci Engng A 333 (2002) 295-305.

DOI: 10.1016/s0921-5093(01)01854-8

[12] Levin M, Karlsson B, Crack initiation and growth during low-cycle fatigue of discontinuously reinforced metal-matrix composites, Inter J Fatigue 15 (1993) 377-387.

DOI: 10.1016/0142-1123(93)90483-7

[13] Goni J, Munoz A, Viviente J L, Liceaga J F, Fracture-analysis of the transition zone between unreinforced alloy and composite, Composites 24 (1993) 581–586.

DOI: 10.1016/0010-4361(93)90272-a