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Deformation Behavior of a Quaternary Mo-Nb-Si-B Alloy

  • A.P. Alur (a1), R. Sakidja (a2), P. Wang (a1), P. Jain (a1), J.H. Perepezko (a2) and K.S. Kumar (a1)...

Abstract

The microstructure and compression response of a quaternary Mo-Nb-Si-B alloy has been examined in in the temperature interval 1200°C-1600°C and in the strain rate regime 10–4 s–1 to 10–6 s–1 and compared to earlier results on the ternary Mo-Si-B alloys The microstructure is composed of a three-phase microlamellar eutectic composed of the Mo-Nb solid solution phase, the T1 and the T2 intermetallic phases. Compression test confirm significantly superior creep resistance for the eutectic alloy compared to the ternary Mo-rich Mo-Si-B alloys with virtually no microstructural degradation.

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  • EISSN: 1946-4274
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