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- Title
Evaluation of Microstructure and Abrasive Wear-Resistance of Medium Alloy SiMo Ductile Cast Iron.
- Authors
Dyrlaga, Łukasz; Zapała, Renata; Morgiel, Krzysztof; Studnicki, Andrzej; Szczęsny, Andrzej; Kopyciński, Dariusz
- Abstract
Medium-alloy ductile iron with a SiMo ferritic matrix has very good heat resistance. The addition of chromium and aluminum also increases this resistance. This article presents the impact of chromium and aluminum on the structure of SiMo cast iron, especially their impact on the deformation of the spherical graphite precipitates and the formation of M6C and M3C2 carbide phases. These carbides are formed in a ferritic matrix or at the grain boundaries, resulting in increased hardness and a drastic reduction in impact strength. The article presents the influence of heat treatment on the material's microstructure and resistance to abrasive wear. Chromium and aluminum additions can also indirectly reduce the abrasive wear resistance of SiMo cast iron. The presented research shows the possibility of doubling the abrasive wear resistance of SiMo cast iron.
- Subjects
NODULAR iron; WEAR resistance; HEAT treatment; MICROSTRUCTURE; FRETTING corrosion; CAST-iron; IRON founding
- Publication
Materials (1996-1944), 2024, Vol 17, Issue 5, p1223
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma17051223