Effect of Sintering Temperature on Microstructure and Mechanical Properties of Al2O3/TiAl In-Situ Composites
Keyword(s):
Al2O3/TiAl composites were successfully fabricated by hot-press-assisted exothermic dispersion method with powder mixtures of Ti, Al, TiO2and Cr2O3as raw materials. The effect of sintering temperature on the microstructures and mechanical properties of Al2O3/TiAl composites has been investigated. The results show that the Rockwell hardness and density of the composites increased with increasing sintering temperature. But the flexural strength and fracture toughness peaked at 825 MPa and 7.29 MPa·m1/2, respectively, when the sintering temperature reached to1300 °C.
2011 ◽
Vol 194-196
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pp. 1736-1739
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2012 ◽
Vol 581-582
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pp. 548-551
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2011 ◽
Vol 217-218
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pp. 680-683
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2011 ◽
Vol 675-677
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pp. 597-600
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2008 ◽
Vol 368-372
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pp. 1764-1766
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2015 ◽
Vol 816
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pp. 200-204
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2010 ◽
Vol 44-47
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pp. 2504-2508
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