Search Results - Yu. D. Petryna

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  1. 1
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    Contact fracture of rolling bodies of three-cone rock bits opened bearings in water environments by Ye. I. Kryzhanivskyi, R. S. Yakym, Ye. Shmandrovskyi, Yu. D. Petryna

    Published 2010
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  2. 2
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    Contact durability of arm pins races of three-cone rock bits by Yu. D. Petryna, I. S. Yakym, N. V. Kret, Yu. M. Nykyforchyn

    Published 2015
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  3. 3
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    Corrosion and corrosion-mechanical fracture of crude oil tank steel by Yu. Petryna, V. M. Hohol, Yu. D. Petryna, O. I. Zvirko, Yu. M. Nykyforchyn

    Published 2015
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  4. 4
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    The influence of alloying with rare earth metals on mechanical properties of 17H1S pipe steel by Yu. Petryna, O. L. Kozak, B. R. Shuliar, Yu. D. Petryna, M. I. Hredil

    Published 2012
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