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A new magnetorheological brake`s combined materials design approach
Aleksandar Poznic,Danijela Miloradovic,Anamarija Juhas 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.3
Increase of magnetic flux density intensity, in certain parts of a Magnetorheological (MR) brake, was researched in order to improve MR brake`s overall braking properties. This paper proposes a new combined materials approach. New approach achieved magnetic flux density path routing. To verify the effect, two MR brake prototypes: The conventional one and the combined materials one, have been designed, manufactured and tested. Both prototypes had the same geometry. The construction material’s magnetic properties had to be determined by measurements. To increase the overall braking torque, the combined materials MR brake prototype featured non-magnetic housing materials and has successfully yielded significantly larger overall braking torque compared to the conventional MR brake.
Ljiljana Nikolic-Bujanovic,Milan Cekerevac,Mirjana Vojinovic-Miloradov,Anja Jokic,Milos Simicica 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.6
The influence of anode composition and temperature on the anode electrochemical activity and subsequent ferrate(VI) production in 10 M NaOH solution has been studied. Results obtained from the pure iron, gray and white cast iron were compared to establish the most promising anode in terms of ferrate production efficiency. The cyclic voltammetry measurements associated with the potentiodynamic polarization results induce that the pure iron has the lowest electrochemical activity. Presence of silicon in outer layer was confirmed by X-ray diffraction of reaction products on WCI and GCI in the form of iron(II)iron(III) silicon oxide–hydroxide.