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Strength Variability in Silicon-Disilicide Eutectic Alloys
Name
12666_2019_1676_ReferencePDF.pdf
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751.71 KB
Format
Adobe PDF
Checksum (MD5)
f7c1ea6bebcc05ba0bc5391c96909f7f
Author(s)
Gollapudi, Srikant
Date Issued
April 9, 2019
Publisher
Springer India
Version
Author's final manuscript
Abstract
Abstract
Silicon-disilicide eutectic alloys have recently been evaluated as potential structural materials with improved combinations of hardness, toughness and wear resistance as compared to either of their constituent phases. Here, compression tests were carried out on Si, Si–7V, Si–20Cr and Si–13.9Cr–3.4V (in wt%) alloys, wherein Si–7V, Si–20Cr and Si–13.9Cr–3.4V exhibited silicon-disilicide eutectic structures. Strength variability was ascertained via a Weibull analysis, with the ternary alloy Si–13.9Cr–3.4V yielding a Weibull modulus value of 15.2 as compared to 4.6 for Si. Scanning electron microscopy studies provided some insight on the fracture strength and Weibull modulus of these materials.
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DOI of Published Version
https://doi.org/10.1007/s12666-019-01676-2
