Mechanical Fracture of Vanadium Dioxide During Thermal Cycling

The degree of vanadium dioxide VO2 mechanical fracture and solid solutions on its base V1-xFexO2 is quantified. Dependences of graded powder mass fraction m/M on the number of thermal cycles, affected by VO2 sample, and for vanadium dioxide samples containing small quantity of iron (solid solutions...

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Bibliographic Details
Published in:Procedia engineering 2016, Vol.152, p.711-714
Main Authors: Surikov, Vadim I., Surikov, Valery I., Semenyuk, N.А., Lyah, О.V., Kuznetsova, Yu.V.
Format: Article
Language:English
Subjects:
mechanical fracture
phase transition
thermal cycling
vanadium dioxide
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Summary:The degree of vanadium dioxide VO2 mechanical fracture and solid solutions on its base V1-xFexO2 is quantified. Dependences of graded powder mass fraction m/M on the number of thermal cycles, affected by VO2 sample, and for vanadium dioxide samples containing small quantity of iron (solid solutions V1-xFexO2) are obtained. Dependence of fracture degree and fractional change of cell volume on the sample V1-xFexO2 composition for samples, tested by 50 thermal cycles, is given. It is found out that the fracture degree is the lowest for the sample, containing 1% of iron.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2016.07.678