The research of thermophysical properties of the working environment for abrasive-extrusion processing
- 作者: Pshenko E.B.1, Shestakov I.Y.1, Remizov I.A.2, Veretnova T.A.3
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隶属关系:
- Reshetnev Siberian State University of Science and Technology
- Krasnoyarsk State Medical University behalf of Professor V. F. Voyno-Yasenetsky
- Siberian Federal University
- 期: 卷 21, 编号 2 (2020)
- 页面: 277-283
- 栏目: Section 3. Technological Processes and Materials
- URL: https://journals.eco-vector.com/2712-8970/article/view/611141
- DOI: https://doi.org/10.31772/2587-6066-2019-20-2-277-283
- ID: 611141
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The most important resource for improving the performance of parts is the reduction of the surface roughness. One of the promising ways to reduce the surface roughness is the abrasive extrusion processing. When developing the AEP technology, it is necessary to know the flow rate (pressure) of the WE, which depends on the viscosity of the latter. In turn, the viscosity of the WE is determined by its temperature. The temperature of the working environment at AEP can be calculated if the coefficients of thermal conductivity and thermal diffusivity of the WE are known. The working environment for AEP consists of two components, therefore, the coefficient of thermal conductivity can be calculated by known formulas. However, the calculation error is significant, therefore, the experimental determination of the above-mentioned coefficients is required. The installations for the coefficients research have been presented, the methods of conducting experiments have been developed. After mathematical processing of the experiments results by means of the AdvanceGrapher v. 2.11, the dependences of the thermal conductivity and thermal diffusivity on the abrasive concentration have been obtained. The studies of the thermophysical properties of the working environment have shown that the values of thermal conductivity and thermal diffusivity of the WE are mainly determined by the concentration of abrasive grains in the working environment. The direct dependence of these coefficients on the degree of filling the working environment with abrasive grains has been established.
作者简介
Elena Pshenko
Reshetnev Siberian State University of Science and Technology
编辑信件的主要联系方式.
Email: pshenko-64@mail.ru
Cand. Sc., Associate Professor at the Department of Mechanical Engineering Technology
俄罗斯联邦, 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037Ivan Shestakov
Reshetnev Siberian State University of Science and Technology
Email: yakovlevish@mail.ru
Dr. Sc., Associate Professor, Professor
俄罗斯联邦, 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037Igor Remizov
Krasnoyarsk State Medical University behalf of Professor V. F. Voyno-Yasenetsky
Email: pshenko-64@mail.ru
Cand. Sc., Associate Professor
俄罗斯联邦, 1, Partizan Zheleznyaka, Krasnoyarsk, 660022Tatyana Veretnova
Siberian Federal University
Email: pshenko-64@mail.ru
Cand. Sc., Head of the correspondence department
俄罗斯联邦, 79, Svobodny Av., Krasnoyarsk, 660041参考
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