Alloying of Molybdenum Disilicide with Aluminum by SHS

Ying Zhou; Jin Xiao; Guo Tian Ye; Chen Yong Liu

doi:10.4028/www.scientific.net/AMR.1025-1026.585

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1025-1026Alloying of Molybdenum Disilicide with Aluminum by...

Alloying of Molybdenum Disilicide with Aluminum by SHS

Abstract:

In this work, a series of samples of Mo (Si_1-xAl_x)₂ (X =0, 0.10,0.20,0.30,0.40) were prepared by self-propagating high-temperature synthesis (SHS). The influence of the addition of Al on the structures and the micrographs of the final compounds were investigated. X-ray diffraction pattern characterization (XRD) and scanning electron microscopy (SEM) were used to characterize the obtained products. It was found that, the reactions between Mo and Si could be promoted with introducing Al during the SHS process. The high temperature β-MoSi₂ phase with hexagonal structure (C40) was obtained and the peaks of the C40 phase shifted towards a higher d value with increasing aluminum substitution. The substitution of Al could reach to 40%. The morphology of the final products was similar with that of the raw Mo powders, which was independent of Al contents.

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Periodical:

Advanced Materials Research (Volumes 1025-1026)

Pages:

585-590

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1025-1026.585

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Online since:

September 2014

Authors:

Ying Zhou, Jin Xiao*, Guo Tian Ye, Chen Yong Liu

Keywords:

Alloying, Mo(Si,Al)₂, SHS

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