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Microstructural Characterization of a Metal Matrix Composite CoCrFeMnMoNi- ZnO Nanoparticles | |
CYNTHIA DEISY GOMEZ ESPARZA FRANCISCO JAVIER BALDENEBRO LOPEZ IVANOVICH ESTRADA GUEL HECTOR CAMACHO MONTES | |
Acceso Abierto | |
Sin Derechos Reservados | |
ZnO Nanoparticles | |
High-entropy alloys (HEA) developed by Yeh et al. are multicomponent solid solutions consisting of at least five principal elements in equimolar or near equimolar ratios. Due to their superior mechanical properties, singular microstructure and a wide variety of applications as advanced metallic materials, different chemical compositions of high-entropy alloys have been investigated since 2004. The CoCrFeMnNi was one of the earliest reported HEA and is considered to be a single solid-solution phase alloy [1]. Previous researches discovered that Mo possesses the dual characteristics of being a strong BCC stabilizer and a high solid solution strengthener in HEA [2]. On the other hand, the exploration of microstructural behavior through chemical variations has conducted to the formation of ordered/disordered nanoparticles in HEA; however, the reinforcement of high-entropy alloys by the addition of oxide nanoparticles has not been reported yet. Metal matrix composites reinforced with nanoparticles are being investigated in recent years, due to their promising properties for structural applications. The purpose of this investigation is the synthesis of a high-entropy CoCrFeMnMoNi-based composite reinforced with ZnO nanoparticles (ZnO-np) by mechanical alloying and the study of their microstructural and hardness behavior as a function of the nanoparticles concentration. | |
2016 | |
Memoria de congreso | |
Inglés | |
OTRAS | |
Versión revisada | |
submittedVersion - Versión revisada | |
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