Microstructure of Reinforced Cast Iron Produced by Lost Foam Casting

• Autorzy: Kaliuzhnyi Pavlo , Shalevska Inna , Sliusarev Vadym

Identyfikatory

DOI

10.24425/amm.2023.146202

• Języki publikacji: EN

Abstrakty

EN

The article considers the method of obtaining reinforced castings from gray cast iron by lost foam casting. The aim of this study was to determine the microstructure formation of gray cast iron reinforced with inserts of carbon and stainless steel in this casting method. The results of the research have shown that the products of destruction of expanded polystyrene have a positive effect on the bonding formation of cast iron with reinforcing inserts. When steel wire is used as reinforcement, a decarbonized layer of cast iron is being formed around it, in which the inclusions of graphite are smaller and their quantity is less than in the main metal. Due to carburization, the surface structure of the reinforcement changes from ferrite to pearlite with cementite. Steel wire reinforcement can be effective in increasing strength and toughness of gray cast iron. The usage of stainless steel reinforcement leads to the formation of a transition layer on the part of the matrix metal. It contains ledeburite with dissolved chromium, which increase the wear resistance of cast iron.

Słowa kluczowe

EN

gray cast iron; reinforcement; microstructure; lost foam casting

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2023
• Tom: Vol. 68, iss. 4
• Strony: 1369--1375
• Opis fizyczny: Bibliogr. 17 poz., fot., rys., tab.

Twórcy

autor

Kaliuzhnyi Pavlo

• Department of Physical Chemistry of Foundry Processes, Physico-Technological Institute of Metals and Alloys of the National Academy of Sciencesof Ukraine, Ukraine

• https://orcid.org/0000-0002-1111-4826

autor

Shalevska Inna

• Department of Physical Chemistry of Foundry Processes, Physico-Technological Institute of Metals and Alloys of the National Academy of Sciencesof Ukraine, Ukraine

• https://orcid.org/0000-0002-8410-7045

autor

Sliusarev Vadym

• Department of Physical Chemistry of Foundry Processes, Physico-Technological Institute of Metals and Alloys of the National Academy of Sciencesof Ukraine, Ukraine

• https://orcid.org/0000-0003-1384-1194

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025)