University of Oulu

Laine, J., Jalava, K., Vaara, J. et al. The Mechanical Properties of Ductile Iron at Intermediate Temperatures: The Effect of Silicon Content and Pearlite Fraction. Inter Metalcast 15, 538–547 (2021).

The mechanical properties of ductile iron at intermediate temperatures : the effect of silicon content and pearlite fraction

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Author: Laine, Jarkko1; Jalava, K.2; Vaara, J.1;
Organizations: 1Wartsila Oyj, Järvikatu 2-4, 6500, Vaasa, Finland
2Department of Mechanical Engineering, Aalto University, Espoo, Finland
3Materials and Mechanical Engineering, University of Oulu, Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 3.6 MB)
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Language: English
Published: Springer Nature, 2021
Publish Date: 2022-01-25


The usage of ductile irons at thermo mechanically loaded components is increasing, necessitating more knowledge of material properties in elevated temperatures. A study of elevated temperature mechanical properties was done, investigating the effect of different pearlite fractions along with silicon content tests in fully ferritic microstructure. Effect of pearlite fraction and silicon content to tensile and yield strength were measured in different temperatures from room temperature up to 450°C. Models were developed, based on those measurements. These resulting regression models were tested with data gathered from literature. These can be used in various design tools, such as FEM calculations and in the optimisation of thermally and cyclic loaded ductile iron components.

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Series: International journal of metalcasting
ISSN: 1939-5981
ISSN-E: 2163-3193
ISSN-L: 1939-5981
Volume: 15
Issue: 2
Pages: 538 - 547
DOI: 10.1007/s40962-020-00473-8
Type of Publication: A1 Journal article – refereed
Field of Science: 216 Materials engineering
Copyright information: © 2020. This is a post-peer-review, pre-copyedit version of an article published in International Journal of Metalcasting. The final authenticated version is available online at: