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Microprofile Model Form Changing Research at Axisymmetric Deformation with Account of Scale Factor

  • N. V. Vulykh
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

One of the relevant issues of the machine construction technology is the one of the improving axisymmetric deformation technologies consisting of the consideration of engineering background at surface microgeometry formation. At the moment, the issue of the initial microprofile influence on the surface microgeometry after axisymmetric deformation is insufficiently studied. The research of microprofile form changing at axisymmetric deformation was conducted using the samples with a regular profile having a wedge-like (triangular) section imitating the surface after a turning process. The surface roughness model form changing were researched by the face and back angles at the microprofile bottom with the reduction degrees commensurable with the height of the initial microprofile taking into account a scale factor influence. The paper established the microprofile reduction degree influence on its bearing capacity. The authors proposed optimum parameters for a rough layer pre-obtained with the help of turning. Such parameters allow for the microprofile formation without any hidden defects (cavities) formation. Steel 45 was used as the material for samples.

Keywords

Surface microprofile Roughness modeling Scale factor Axisymmetric deformation 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Irkutsk National Research Technical UniversityIrkutskRussia

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