Microstructure and Properties Evaluation of Ductile Cast Iron Subjected to Hot Plastic Deformation and Ambient Temperature Compression

• Autorzy: Chaus Alexander S. , Čaplovič Ľubomír , Pokrovskii Artur I. , Sobota Robert

Identyfikatory

DOI

10.24425/amm.2023.142445

• Języki publikacji: EN

Abstrakty

EN

The as-cast microstructure of ductile cast iron (DI) was investigated using light microscopy (LM) and SEM techniques. Further the influence of hot plastic extrusion at 1000°C with plastic strain in the range of 20-60-80% on the transformation of the as-cast microstructure and on the mechanical properties was studied. Besides this, the microstructure of DI subjected to hot extrusion after the fracture of the corresponding samples induced by compression tests was thoroughly investigated. It was found that compression had a dramatic influence on a shear deformation and hence shear fracture of the compressed samples. It was shown that the shear fracture of the hot deformed ductile iron is accompanied by the occurrence of a narrow zone of severe plastic deformation. The fracture surfaces of the extruded samples subjected to the tensile tests and the compression tests were examined.

Słowa kluczowe

EN

ductile iron; plastic deformation; microstructure; properties; fracture surface

• 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. 2
• Strony: 639--648
• Opis fizyczny: Bibliogr. 38 poz., fot., rys., tab.

Twórcy

autor

Chaus Alexander S.

• Slovak University of Technology, Faculty of Materials Science and Technology, J. Bottu 25, Trnava, 917 24 Slovakia

• https://orcid.org/0000-0001-6690-107X

autor

Čaplovič Ľubomír

• Slovak University of Technology, Faculty of Materials Science and Technology, J. Bottu 25, Trnava, 917 24 Slovakia

• https://orcid.org/0000-0002-2280-008X

autor

Pokrovskii Artur I.

• National Academy of Sciences of Belarus, Physical Technical Institute, 10. Kuprevicha Str., Minsk, 220141 Belarus

• https://orcid.org/0000-0001-9875-2240

autor

Sobota Robert

• Slovak University of Technology, Faculty of Materials Science and Technology, J. Bottu 25, Trnava, 917 24 Slovakia

• https://orcid.org/0000-0002-8683-7631

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Uwagi

The financial support of the grants from the Ministry of Education, Science, Research and Sport of the Slovak Republic VEGA 1/0747/19 and VEGA 1/0796/20 is gratefully acknowledged. The authors are grateful to Dr Jaroslav Sojka for technical help and helpful discussions with respect to the results obtained in this work.