The influence of external actions and methods of alloying alloys on the operational characteristics of cast products

Anatoliy Narivskiy, Oleg Shinsky, Inna Shalevska, Yuliia Kvasnitska, Pavlo Kaliuzhnyi and Svitlana Polyvoda
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Anatoliy Narivskiy: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine
Oleg Shinsky: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine
Inna Shalevska: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine
Yuliia Kvasnitska: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine
Pavlo Kaliuzhnyi: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine
Svitlana Polyvoda: Physico-Technological Institute of Metals and Alloys of National Academy of Sciences of Ukraine

Chapter 4 in STRUCTURAL MATERIALS: MANUFACTURE, PROPERTIES, CONDITIONS OF USE, 2023, pp 121-157 from PC TECHNOLOGY CENTER

Abstract: The chapter presents the results of scientific research on the influence of electromagnetic stirring and alloying on the properties of deformable aluminum alloys, the influence of alloying elements on the phase state and structural stability of heat-resistant corrosion-resistant alloys, which are used for the manufacture of turbine blades of gas turbine engines (GTE), is analyzed. The results of studies on the effect of alloying a heat-resistant nickel-based alloy with tantalum and rhenium on its operational characteristics are presented. The influence of excess pressure on the properties and quality of castings from iron-carbon alloys during lost foam casting is determined. It is determined that under the controlled influence of technological factors and excess pressure (2...6 MPa) on liquid metal and during its crystallization, it is possible to increase the mechanical strength and reduce the porosity of cast iron and steel castings by 15...30 %, compared to gravity casting according to models, which are gasified. The latest technological processes for the production of ordinary and reinforced castings with specified properties by casting according to gasified models, using excess pressure on the metal, have been developed. The work carried out by the authors at the Physical and Technological Institute of Metals and Alloys of the National Academy of Sciences of Ukraine is of high scientific and practical importance for the production of high-quality foundry products and will be useful for foundry product manufacturers, scientific and scientific-pedagogical workers of the specialty "Metallurgy" (Foundry production).

Keywords: Deformable aluminum alloys; vacuum magnetohydrodynamic complex; heat-resistant alloy; gas turbine engine; turbine blade; continuously cast aluminum ingots; modification; iron-carbon alloys; lost foam casting; thermal destruction of polystyrene; physical and mechanical properties of cast structures; influence of pressure on metal (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:baq:pcchap:978-617-7319-97-8-ch4

DOI: 10.15587/978-617-7319-97-8.ch4

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