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Acta Metall Sin  2013, Vol. 49 Issue (11): 1481-1486    DOI: 10.3724/SP.J.1037.2013.00541
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INFLUENCE OF MELT HOLDING TEMPERATURES ON MECHANICAL PROPERTIES AT ROOM TEMPERATURE OF Wf/Zr-BASED METALLIC GLASS COMPOSITES
GAO Du, CHEN Guang, FAN Cang
Engineering Research Center of Materials Behavior and Design,Ministry of Education, Nanjing University of Science and Technology, Nanjing 210094
Cite this article: 

GAO Du, CHEN Guang, FAN Cang. INFLUENCE OF MELT HOLDING TEMPERATURES ON MECHANICAL PROPERTIES AT ROOM TEMPERATURE OF Wf/Zr-BASED METALLIC GLASS COMPOSITES. Acta Metall Sin, 2013, 49(11): 1481-1486.

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Abstract  

The effect of the molten temperatures on the preparation of the Wf/Zr-based metallic glass composites by infiltration casting rapid quenching technique was well studied. The results of the mechanical properties at ambient temperature indicate that the composite has an optimum melt holding temperature in the preparation process. Lower or higher than the optimum temperature, the compressive plasticity of the composite deteriorated. The optical microstructure and EDS analyses indicate that the reason for the deterioration of the compressive plasticity was the resulted microstructures, which contains different precipitates with different molten temperatures. At the optimum preparation condition, a Wf/Zr--based metallic glass composite with 75% volume fraction of tungsten fiber was successfully produced with significantly improved compressive plasticity of 19.6%.

Key words:  metallic glass composite      W fiber, precipitate      melt holding temperature      compression plasticity     
Received:  02 September 2013     

URL: 

https://www.ams.org.cn/EN/10.3724/SP.J.1037.2013.00541     OR     https://www.ams.org.cn/EN/Y2013/V49/I11/1481

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