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Metals 2018, 8(9), 684; https://doi.org/10.3390/met8090684

Strength Prediction for Pearlitic Lamellar Graphite Iron: Model Validation

1
Swerea SWECAST, 550 02 Jönköping, Sweden
2
Materials and Manufacturing-Foundry Technology, Jönköping University, Gjuterigatan 5, 553 18 Jönköping, Sweden
*
Author to whom correspondence should be addressed.
Received: 11 July 2018 / Revised: 19 August 2018 / Accepted: 30 August 2018 / Published: 31 August 2018
(This article belongs to the Special Issue Cast Irons: Properties and Applications)
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Abstract

The present work provides validation of the ultimate tensile strength computational models, based on full-scale lamellar graphite iron casting process simulation, against previously obtained experimental data. Microstructure models have been combined with modified Griffith and Hall–Petch equations, and incorporated into casting simulation software, to enable the strength prediction for four pearlitic lamellar cast iron alloys with various carbon contents. The results show that the developed models can be successfully applied within the strength prediction methodology along with the simulation tools, for a wide range of carbon contents and for different solidification rates typical for both thin- and thick-walled complex-shaped iron castings. View Full-Text
Keywords: lamellar graphite iron; ultimate tensile strength; primary austenite; gravity casting process simulation lamellar graphite iron; ultimate tensile strength; primary austenite; gravity casting process simulation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Fourlakidis, V.; Belov, I.; Diószegi, A. Strength Prediction for Pearlitic Lamellar Graphite Iron: Model Validation. Metals 2018, 8, 684.

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