EFFECTS OF ELEVATED TEMPERATURE ON MECHANICAL BEHAVIOR OF AN ALUMINUM METAL MATRIX COMPOSITE

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HADIAN FARD M.J.

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Journal Paper

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Journal: Iranian Journal of Materials Science and Engineering Year:2004 | Volume:1 | Issue:1 Page(s): 7-18

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Title

EFFECTS OF ELEVATED TEMPERATURE ON MECHANICAL BEHAVIOR OF AN ALUMINUM METAL MATRIX COMPOSITE

Author(s)

HADIAN FARD M.J.

Keywords

ALUMINUM

METAL MATRIX

COMPOSITE

ELEVATED TEMPERATURE

Abstract

Effects of temperature on properties and behavior of a 20 vol % particulate SiC reinforced 6061 ALUMINUM alloy and 6061 unreinforced Al alloy were investigated. Yield strength and elongation to failure were measured as a function of test temperatures up to 180^oC. In addition, the effects of holding time at 180^ oC on tensile properties and fracture mechanisms of the materials at this temperature were studied. The behaviors of the materials were characterized by using a scanning electron microscope (SEM) equipped with an energy dispersive X-ray analyzer (EDS), X-ray diffraction (XRD), atomic absorption (AA), hardness measurement and image analyzing (IA). The results show that an increase in temperature leads to a decrease in the yield strength and increase in the elongation to failure of the materials. On the other hand, while increasing holding time at 180^oC produces an increase in the elongation to failure of the unreinforced alloy, it reduces the elongation to failure of the COMPOSITE. It was also observed that reduction in yield strength with increasing holding time at 180^oC was faster for the COMPOSITE material compared to the unreinforced alloy. The results from SEM, XRD, EDS, IA and hardness tests indicated that some chemical reactions had taken place at the interface between the reinforcement and the matrix alloy during holding the specimens at ELEVATED TEMPERATURE. Therefore, different trend in elongation to failure of the unreinforced alloy and the COMPOSITE material with holding time at ELEVATED TEMPERATURE could be attributed to development of chemical reactions between the reinforcement and the matrix alloy at the interface.

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APA: Copy

HADIAN FARD, M.J.. (2004). EFFECTS OF ELEVATED TEMPERATURE ON MECHANICAL BEHAVIOR OF AN ALUMINUM METAL MATRIX COMPOSITE. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, 1(1), 7-18. SID. https://sid.ir/paper/276615/en

Vancouver: Copy

HADIAN FARD M.J.. EFFECTS OF ELEVATED TEMPERATURE ON MECHANICAL BEHAVIOR OF AN ALUMINUM METAL MATRIX COMPOSITE. IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING[Internet]. 2004;1(1):7-18. Available from: https://sid.ir/paper/276615/en

IEEE: Copy

M.J. HADIAN FARD, “EFFECTS OF ELEVATED TEMPERATURE ON MECHANICAL BEHAVIOR OF AN ALUMINUM METAL MATRIX COMPOSITE,” IRANIAN JOURNAL OF MATERIALS SCIENCE AND ENGINEERING, vol. 1, no. 1, pp. 7–18, 2004, [Online]. Available: https://sid.ir/paper/276615/en

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