FRACTOGRAPHY OF STIR CASTED AL-ZRO2 COMPOSITES

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BAGHCHESARA M.A.; ABDIZADEH H.; BAHARVANDI H.R.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2009 | Volume:33 | Issue:B5 Page(s): 453-462

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Information Journal Paper

Title

FRACTOGRAPHY OF STIR CASTED AL-ZRO2 COMPOSITES

Author(s)

BAGHCHESARA M.A. | ABDIZADEH H. | BAHARVANDI H.R. | Issue Writer Certificate

Keywords

ZRO2 PARTICLES

MMC

VORTEX METHOD

TENSILE STRENGTH

FRACTURE SURFACE

Abstract

In this study, Al-ZrO2 composites were produced by VORTEX METHOD using ZrO2 powder with 1 micron average diameter as reinforce particles and Al-356 as the matrix metal. The melt composites were stirred for 13 minutes, then casted into a metallic mold. Different samples of 5, 10 and 15 volume percent of ZrO2 in different casting temperatures of 750, 850 and 950oC were produced. The latter 2 casting temperatures are not a common practice but were chosen to enhance fluidity. Effects of volume percent of ZrO2 particles and casting temperature on TENSILE STRENGTH, microstructure, and FRACTURE SURFACEs of Al-ZrO2 composites have been investigated. The highest TENSILE STRENGTH was achieved in the specimen containing 15 vol. % ZrO2 produced at 750°C which shows an increase of 60% in comparison to the Al-356 non-reinforced alloy. Microscopic investigations of FRACTURE SURFACEs revealed that fracture in a brittle manner with little or no necking happening. By increasing ZrO2 content and casting temperature, the composites fracture goes in a more severely brittle manner.

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APA: Copy

BAGHCHESARA, M.A., ABDIZADEH, H., & BAHARVANDI, H.R.. (2009). FRACTOGRAPHY OF STIR CASTED AL-ZRO₂ COMPOSITES. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 33(B5), 453-462. SID. https://sid.ir/paper/555506/en

Vancouver: Copy

BAGHCHESARA M.A., ABDIZADEH H., BAHARVANDI H.R.. FRACTOGRAPHY OF STIR CASTED AL-ZRO₂ COMPOSITES. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2009;33(B5):453-462. Available from: https://sid.ir/paper/555506/en

IEEE: Copy

M.A. BAGHCHESARA, H. ABDIZADEH, and H.R. BAHARVANDI, “FRACTOGRAPHY OF STIR CASTED AL-ZRO₂ COMPOSITES,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 33, no. B5, pp. 453–462, 2009, [Online]. Available: https://sid.ir/paper/555506/en

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