The Role of Grain Boundary Oxidation on Surface Crack Formation under Continuous Casting Conditions

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The Role of Grain Boundary Oxidation on Surface Crack Formation under Continuous Casting Conditions. / Krobath, Roman; Bernhard, Christian; Ilie, Sergiu et al.
In: Berg- und hüttenmännische Monatshefte : BHM, Vol. 164.2019, No. 11, 02.10.2019, p. 461-465.

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Krobath R, Bernhard C, Ilie S, Six J, Hahn S, Pennerstorfer P. The Role of Grain Boundary Oxidation on Surface Crack Formation under Continuous Casting Conditions. Berg- und hüttenmännische Monatshefte : BHM. 2019 Oct 2;164.2019(11):461-465. doi: 10.1007/s00501-019-00902-0

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@article{ef20e174a24e433d9a9918dd4998b6ab,
title = "The Role of Grain Boundary Oxidation on Surface Crack Formation under Continuous Casting Conditions",
abstract = "This paper represents an extended abstract of a study presented at the ESTAD 2019 conference. In this contribution, the influence of different cooling strategies on the formation of intergranular surface cracks is observed with in-situ bending experiments under continuous casting conditions. The steel composition is equal to a 0.17 wt.% C construction steel. It is investigated with and without Al deoxidation at bending temperatures of 1100 °C to 700 °C. The results show the most critical situation prevailed for each testing condition at 900 °C. A holding temperature of 1200 °C leads to a selective grain boundary oxidation and therefore to the formation of notches at the austenite grain boundaries, which are the cause for stress concentrations and easier formation of cracks during a subsequent tensile deformation at critical temperatures. The experiments reveal a partially stronger influence of this phenomenon on the steel without Al deoxidation.",
author = "Roman Krobath and Christian Bernhard and Sergiu Ilie and Jakob Six and Susanne Hahn and Paul Pennerstorfer",
year = "2019",
month = oct,
day = "2",
doi = "10.1007/s00501-019-00902-0",
language = "English",
volume = "164.2019",
pages = "461--465",
journal = "Berg- und h{\"u}ttenm{\"a}nnische Monatshefte : BHM",
issn = "0005-8912",
publisher = "Springer Wien",
number = "11",

}

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TY - JOUR

T1 - The Role of Grain Boundary Oxidation on Surface Crack Formation under Continuous Casting Conditions

AU - Krobath, Roman

AU - Bernhard, Christian

AU - Ilie, Sergiu

AU - Six, Jakob

AU - Hahn, Susanne

AU - Pennerstorfer, Paul

PY - 2019/10/2

Y1 - 2019/10/2

N2 - This paper represents an extended abstract of a study presented at the ESTAD 2019 conference. In this contribution, the influence of different cooling strategies on the formation of intergranular surface cracks is observed with in-situ bending experiments under continuous casting conditions. The steel composition is equal to a 0.17 wt.% C construction steel. It is investigated with and without Al deoxidation at bending temperatures of 1100 °C to 700 °C. The results show the most critical situation prevailed for each testing condition at 900 °C. A holding temperature of 1200 °C leads to a selective grain boundary oxidation and therefore to the formation of notches at the austenite grain boundaries, which are the cause for stress concentrations and easier formation of cracks during a subsequent tensile deformation at critical temperatures. The experiments reveal a partially stronger influence of this phenomenon on the steel without Al deoxidation.

AB - This paper represents an extended abstract of a study presented at the ESTAD 2019 conference. In this contribution, the influence of different cooling strategies on the formation of intergranular surface cracks is observed with in-situ bending experiments under continuous casting conditions. The steel composition is equal to a 0.17 wt.% C construction steel. It is investigated with and without Al deoxidation at bending temperatures of 1100 °C to 700 °C. The results show the most critical situation prevailed for each testing condition at 900 °C. A holding temperature of 1200 °C leads to a selective grain boundary oxidation and therefore to the formation of notches at the austenite grain boundaries, which are the cause for stress concentrations and easier formation of cracks during a subsequent tensile deformation at critical temperatures. The experiments reveal a partially stronger influence of this phenomenon on the steel without Al deoxidation.

U2 - 10.1007/s00501-019-00902-0

DO - 10.1007/s00501-019-00902-0

M3 - Article

VL - 164.2019

SP - 461

EP - 465

JO - Berg- und hüttenmännische Monatshefte : BHM

JF - Berg- und hüttenmännische Monatshefte : BHM

SN - 0005-8912

IS - 11

ER -