Issues about limit plastic deformations of deforming broaching of cast iron parts
Journal Title: Вісник Тернопільського національного технічного університету - Year 2016, Vol 81, Issue 1
Abstract
Scientific and technical issues about the possibility of deforming broaching of bores in cast iron parts were investigated in the article. New methods to deform cast iron parts under conditions of all-round compression were developed. The diagram of plasticity was built according to results of mechanical tests of cast iron samples. The conditions of plastic deformation of half-brittle cast iron were determined. The dependence of the resource of cast iron plasticity from structural components and form of graphite inclusions was indicated. Necessary conditions for effective deforming broaching of bores in cast iron parts were determined. The measure of plastic deforming broaching of cast iron parts was chosen. The influence of tool geometry, thick walls of a part and element strain on plasticity during deforming broaching were investigated. The dependence to define limit deformations during deforming broaching of cast iron parts was suggested.
Authors and Affiliations
Oleksandr Chernyavskyy, Yakiv Nemyrovskyy, Pavlo Yeryomin, Yuriy Tsekhanov
Keywords
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