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Effect of Annealing on the Microstructures and Mechanical Properties of Mo3Si-Mo5Si3 Eutectic

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Abstract:

The microstructures and mechanical properties of arc-melting processed Mo3Si-Mo5Si3 eutectic have been investigated. The Vickers hardness of Mo3Si-Mo5Si3 eutectic alloy at room temperature is on the order of 1350Hv. The fracture toughness value of the alloy at room temperature is 1.39MPam1/2 measured by Single edge-notched beam specimen technique and 1.61MPam1/2 measured by Indentation technique. The compressive strengths at 1300 oC and 1400 oC under a strain rate of 10-4s-1 are about 550MPa and 300MPa respectively.

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Periodical:

Materials Science Forum (Volumes 449-452)

Pages:

697-700

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.449-452.697

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Online since:

March 2004

Authors:

Hai Bo Yang, Wei Li, Ai Dang Shan, Jian Sheng Wu

Keywords:

Mechanical Property, Microstructure, Molybdenum Silicides

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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