HETEROGENEOUS HARDENING OF MACHINES PARTS BY SURFACE PLASTIC DEFORMATION
https://doi.org/10.17073/0368-0797-2015-11-823-827
Abstract
The operational characteristics of the components of mining and metallurgical machinery can be improved by forming the heterogeneous-hardened surface layer. The article considers the forming methods of heterogeneous structure by surface plastic deformation (SPD). The importance of identifying the nature of the infl uence of parameters of heterogeneous hardened layer on the performance of machine parts are indicated. Modeling of the process of heterogeneous hardening of SPD of the fi nite element method was executed. The authorsgive recom mendations about application of heterogeneous hardening of SPD for hardening the heavy-duty parts. It was found that the use of diff erent methods of SPD allows widely vary the degree of depth and the uniformity of the hardening of machine parts. Therefore, this increase in operation life of responsible highly loaded parts operating under fatigue loading due to hardening of the heterogeneous surface layer may reach 1.5 times or more.
About the Authors
A. N. Afonin
Stary Oskol Technological Institute of National University of Science and Technology “MISiS” (42, Makarenko, Stary Oskol, Belgorod Region, 309516, Russia)
Russian Federation
Russian Federation
Dr. Sci. (Eng.), Professor of the Chair “Technology and Equipment in Metallurgy and Mechanical Engineering”
A. I. Larin
Stary Oskol Technological Institute of National University of Science and Technology “MISiS” (42, Makarenko, Stary Oskol, Belgorod Region, 309516, Russia)
Russian Federation
Russian Federation
Senior Lecturer of the Chair “Technology and Equipment in Metallurgy and Mechanical Engineering”
A. V. Makarov
Stary Oskol Technological Institute of National University of Science and Technology “MISiS” (42, Makarenko, Stary Oskol, Belgorod Region, 309516, Russia)
Russian Federation
Russian Federation
Cand. Sci. (Eng.), Assist. Professor, Head of the Chair “Technology and Equipment in Metallurgy and Mechanical Engineering”
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Review
For citations:
Afonin A.N., Larin A.I., Makarov A.V. HETEROGENEOUS HARDENING OF MACHINES PARTS BY SURFACE PLASTIC DEFORMATION. Izvestiya. Ferrous Metallurgy. 2015;58(11):823-827. (In Russ.) https://doi.org/10.17073/0368-0797-2015-11-823-827
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