Isothermal Transformation Ar1 Product Morphology and Kinetics of EN-GJS-600-3 Cast Iron

• Autorzy: Szykowny T. , Giętka T. , Ciechacki K. , Panfil L. , Romanowski Ł.

Identyfikatory

DOI

10.1515/afe-2017-0062

• Języki publikacji: EN

Abstrakty

EN

This work presents the qualitative and quantitative changes in the products of isothermal transformation (reaction) in a ductile cast iron austenite after supercooling to the temperature range Ar1. The austenitizing temperature considered in this work was 900, 960 or 1020°C. The eutectoid reaction was investigated by metallographic examination at a holding temperature right below Ar11 (820°C) or right below Ar12 (760°C). The quantitative metallographic examination was carried out with a light microscope (LM). The initial transformation stage products were identified with a transmission electron microscope (TEM). The selected samples were studied for chemical microsegregation of manganese, silicon, phosphorus, and carbon with an X-ray microanalyser (MAR). The tested cast iron material was found to predominantly feature a eutectoid reaction in the metastable system the ratio of which was increasing with the austenitizing temperature. The austenitizing temperature was found to be conducive to the evolution kinetics of individual phases and to the graphitization kinetics of the eutectoid cementite that was formed during the contemplated reaction.

Słowa kluczowe

EN

spheroidal cast iron; isothermal eutectoid reaction; transformation kinetics

PL

żeliwo sferoidalne; izotermiczna reakcja eutektoidalna; kinetyka transformacji

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2017
• Tom: Vol. 17, iss. 2
• Strony: 119--124
• Opis fizyczny: Bibliogr. 19 poz., rys., wykr.

Twórcy

autor

Szykowny T.

• Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Technology and Life Sciences, Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Giętka T.

• Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Technology and Life Sciences, Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Ciechacki K.

• Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Technology and Life Sciences, Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Panfil L.

• Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Technology and Life Sciences, Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

autor

Romanowski Ł.

• Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Technology and Life Sciences, Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)