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The hot ductility of a low alloyed Cr-Mo steel has been investigated to evaluate the surface cracking sensitivity within the straightening or unbending regime during the continuous casting process. Tensile samples were subjected to various thermal treatments, including melting and solidification, and were tested at deforming temperatures ranging between 600 and 1100 °C using a strain rate of 10−3 s−1. Hot ductility was evaluated based on reduction in area measurement and metallographic investigations. The investigated steel exhibits a drop in ductility at around 800 °C due to intergranular cracking. Microstructural examinations and supplementary thermokinetic computer simulations were carried out to describe the evolution of the microstructure during solidification and cooling.
|Fachzeitschrift||Journal of Materials Engineering and Performance|
|Publikationsstatus||Elektronische Veröffentlichung vor Drucklegung. - 29 Aug. 2018|
ASJC Scopus subject areas
- Metalle und Legierungen
Fields of Expertise
- Advanced Materials Science
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