Cast iron selection based on design requirements of thermomechanically loaded applications and its' foundry challenges
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A4 Artikkeli konferenssijulkaisussa
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Date
2021-11-09
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en
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Conference proceedings of the 12th International Symposium on the Science and Processing of Cast Iron
Abstract
Cast irons envelop a substantial property window both in mechanical and thermal properties. Typically, in standards, grades are defined through mechanical properties, leaving a lot of variables to be chosen and adjusted from a foundry’s perspective. With similar strength levels, cast irons can contain a wide range of microstructural compositions, types and volume of graphite. These have clear influence on properties other than tensile strength. For high-performance materials like cast irons, the selection of grades should be based more on properties required by present-day engineering design needs and procedures. This work explores material selection from a thermomechanical end-use perspective, taking a view on microstructural composition, alloying levels and other factors traditionally not requested by the end-user side. Naturally, such an approach brings certain challenges and limitations with it into a foundry process. This work views the proposed approach from the foundry viewpoint and discusses actions that could be done to make it into reality.Description
Keywords
ductile iron, thermal properties, mechanical properties, material selection, foundry process
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Citation
Jalava, K, Mourujärvi, A, Laine, J & Orkas, J 2021, Cast iron selection based on design requirements of thermomechanically loaded applications and its' foundry challenges . in Conference proceedings of the 12th International Symposium on the Science and Processing of Cast Iron . Muroran Institute of Technology, Muroran, Japan, International Symposium on the Science and Processing of Cast Iron, Muroran, Japan, 09/11/2021 .