Diagnostics of processes of wear of materials of ball-tube mills

Authors

  • Евгений Михайлович Прохоренко Institute of Electrophysics and Radiation Technologies, NAS of Ukraine Gudanova Str., 13 Kharkov, Ukraine, 61002, Ukraine
  • Вячеслав Федорович Клепиков Institute of Electrophysics and Radiation Technologies NAS of Ukraine Gudanova Str., 13, Kharkov, Ukraine, 61002, Ukraine
  • Владимир Викторович Литвиненко Institute of Electrophysics and Radiation Technologies NAS of Ukraine Gudanova Str., 13. Kharkov, Ukraine, 61002, Ukraine
  • Павел Александрович Хаймович National Science Center Kharkov Institute of Physics and Technology Institute, National Academy of Sciences of Ukraine, Kharkov, 61108, Ukraine
  • Николай Анатольевич Шульгин National Science Center Kharkov Institute of Physics and Technology Institute, National Academy of Sciences of Ukraine, Kharkov, 61108, Ukraine
  • Андрей Иванович Морозов National University of Civil Defence of Ukraine st. Chernyshevsky, 56, Kharkov, Ukraine, Ukraine

DOI:

https://doi.org/10.15587/1729-4061.2015.36638

Keywords:

material hardness, tube mill ball structure, radiation diagnostics

Abstract

Changes in material hardness of balls, which are used as the working body of ball-tube mills was investigated. Both new balls and balls with different operation time were examined. Hardness of not only the surface layer, but also over the entire depth was studied. These measurements were carried out to find the wear-out areas. It was found that areas with a reduced hardness, where ball material destruction occurs, are formed on the surface during operation. To determine the changes in the material properties, an ultimate strength was tested. Its values in different parts of the ball with the time change were found. It was revealed that the discontinuity surface structure is the same for all areas and the entire time interval. This indicates the absence of phase transitions of ball materials during operation. Diagnostics of the surface structure by the electron beam was conducted. This work allows to forecast the destruction rate of balls during their use and identify priorities for improving their performance.

Author Biographies

Евгений Михайлович Прохоренко, Institute of Electrophysics and Radiation Technologies, NAS of Ukraine Gudanova Str., 13 Kharkov, Ukraine, 61002

Ph.D (physical mathematical sci.), Senior scientist

Вячеслав Федорович Клепиков, Institute of Electrophysics and Radiation Technologies NAS of Ukraine Gudanova Str., 13, Kharkov, Ukraine, 61002

Dr. Sci. (physical and mathematical), professor,

correspodent member of the National Academy of Sciences ofUkraine,

director IERT NAS ofUkraine

Institute of Electrophysics and

Владимир Викторович Литвиненко, Institute of Electrophysics and Radiation Technologies NAS of Ukraine Gudanova Str., 13. Kharkov, Ukraine, 61002

Dr. Sci. (Eng. Sci.), Senior scientist,

deputy director IERT NAS ofUkraine

Павел Александрович Хаймович, National Science Center Kharkov Institute of Physics and Technology Institute, National Academy of Sciences of Ukraine, Kharkov, 61108

Ph.D (physical mathematical sci.), Senior scientist,

Николай Анатольевич Шульгин, National Science Center Kharkov Institute of Physics and Technology Institute, National Academy of Sciences of Ukraine, Kharkov, 61108

Research-engineer

Андрей Иванович Морозов, National University of Civil Defence of Ukraine st. Chernyshevsky, 56, Kharkov, Ukraine

Ph.D ( Eng. Sci.), Associate Professor

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Published

2015-02-26

How to Cite

Прохоренко, Е. М., Клепиков, В. Ф., Литвиненко, В. В., Хаймович, П. А., Шульгин, Н. А., & Морозов, А. И. (2015). Diagnostics of processes of wear of materials of ball-tube mills. Eastern-European Journal of Enterprise Technologies, 1(5(73), 14–20. https://doi.org/10.15587/1729-4061.2015.36638