Microstructure and high-temperature mechanical properties of Nb-silicide based in-situ composites

Microstructure and high-temperature mechanical properties of Nb-silicide based in-situ composites
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铌硅化物基原位复合材料的微观结构和高温力学性能

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2006
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Nb-15W-18Si-xHf(x = 0, 5,10 and 15, mole fraction, %) alloys were prepared by arc melting and then homogenized at 1 750℃for 50 h. The microstructure and mechanical behaviors, such as Vickers hardness, fracture toughness, room- and hightemperature strength