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2017 | OriginalPaper | Buchkapitel

Microstructural Evolution in Microalloyed Steels During Thermomechanical Rod Rolling

verfasst von : Lijia Zhao, Robert L. Cryderman, John G. Speer

Erschienen in: Proceedings of the 3rd Pan American Materials Congress

Verlag: Springer International Publishing

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Abstract

Steel rods are hot-rolled at high strains and strain rates with a subsequent controlled cooling process to influence the microstructure. The microstructure and mechanical properties of the hot-rolled rods are controlled to produce high-strength fasteners in the cold heading process without subsequent heat treatment. In the present study, simulations of rod rolling by torsional deformation and controlled time-temperature schedules were conducted to examine the effects of thermomechanical processing parameters and microalloying additions on the microstructure evolution and mechanical properties of low-carbon steel rods. Transformation and precipitation behaviors during the thermomechanical process were investigated and related to the increased strength in the steel rods.

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Metadaten
Titel
Microstructural Evolution in Microalloyed Steels During Thermomechanical Rod Rolling
verfasst von
Lijia Zhao
Robert L. Cryderman
John G. Speer
Copyright-Jahr
2017
DOI
https://doi.org/10.1007/978-3-319-52132-9_75

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