- Tytuł:
- 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. - Powiązania:
- https://bibliotekanauki.pl/articles/381321.pdf
- Data publikacji:
- 2017
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
spheroidal cast iron
isothermal eutectoid reaction
transformation kinetics
żeliwo sferoidalne
izotermiczna reakcja eutektoidalna
kinetyka transformacji - Opis:
- 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.
- Źródło:
-
Archives of Foundry Engineering; 2017, 17, 2; 119-124
1897-3310
2299-2944 - Pojawia się w:
- Archives of Foundry Engineering
- Dostawca treści:
- Biblioteka Nauki
Artykuł