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By Gennadi Alexeyevich Sukhochev


There the study objects are the methods for the formation of microtexture and for the forming of residual compression stresses in the surface layer of pumping unit parts with the complex shapes as the narrow inter-blade ducts. The study purpose is to provide the necessary operating characteristics for the pumping unit parts of power-plants over the working temperature range of 20-1000 K at the expense of use of effective finishing methods and of effective strengthening methods. The design prediction procedures studied by science for the surfaces with the complex shapes, which are wrought by the finishing and by the strengthening, with regard to the real interaction of working with the lateral surfaces of interblade ducts have been developed. The optimum combinations of finishing methods and of strengthening methods for the pumping unit parts, their influence on the longevity of high-temperature and titanium alloys under the operating conditions have been determined. The new method of vibro-ebtrusion working of narrow inter-blade ducts has been substantiated and has been studied by science. The new finishing processes and the new strengthening processes with the combined action as the design combination of vibro-impact working and of vibro-extrusion working, of anode dissolving of metal have been developed and have been introducedAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 13H - Industrial processes, manufacturing processes, MECHANICAL ENGINEERING
Year: 1992
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Provided by: OpenGrey Repository
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