Fatigue strength study based on geometric shape of bulk defects in cast steel

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Fatigue strength study based on geometric shape of bulk defects in cast steel. / Horvath, Michael; Stoschka, Michael; Fladischer, Stefan.

In: International Journal of Fatigue, Vol. 163.2022, No. October, 107082, 18.06.2022.

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Horvath M, Stoschka M, Fladischer S. Fatigue strength study based on geometric shape of bulk defects in cast steel. International Journal of Fatigue. 2022 Jun 18;163.2022(October):107082. Epub 2022 Jun 18. doi: 10.1016/j.ijfatigue.2022.107082

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@article{c0777b823c3149669c02d5d5e61c45a5,
title = "Fatigue strength study based on geometric shape of bulk defects in cast steel",
abstract = "This work applies Taylor{\textquoteright}s Theory of Critical Distances (TCD) to assess the fatigue strength of defect-afflicted cast steel components made of G21Mn5+N. Based on radiographs of complexly shaped spatial imperfections, the established TCD-framework leads to a sound agreement of numerical and experimental fatigue strength. Moreover, a novel fatigue assessment methodology is presented, which bases on the projected planar defect shape, featuring an engineering-feasible design method without the need of extensive numerical simulations. About one-hundred additional imperfections referring to ASTM E446 class A and C validate the model, showing an average deviation of about five percent in fatigue strength.",
author = "Michael Horvath and Michael Stoschka and Stefan Fladischer",
year = "2022",
month = jun,
day = "18",
doi = "10.1016/j.ijfatigue.2022.107082",
language = "English",
volume = "163.2022",
journal = "International Journal of Fatigue",
issn = "0142-1123",
publisher = "Elsevier",
number = "October",

}

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TY - JOUR

T1 - Fatigue strength study based on geometric shape of bulk defects in cast steel

AU - Horvath, Michael

AU - Stoschka, Michael

AU - Fladischer, Stefan

PY - 2022/6/18

Y1 - 2022/6/18

N2 - This work applies Taylor’s Theory of Critical Distances (TCD) to assess the fatigue strength of defect-afflicted cast steel components made of G21Mn5+N. Based on radiographs of complexly shaped spatial imperfections, the established TCD-framework leads to a sound agreement of numerical and experimental fatigue strength. Moreover, a novel fatigue assessment methodology is presented, which bases on the projected planar defect shape, featuring an engineering-feasible design method without the need of extensive numerical simulations. About one-hundred additional imperfections referring to ASTM E446 class A and C validate the model, showing an average deviation of about five percent in fatigue strength.

AB - This work applies Taylor’s Theory of Critical Distances (TCD) to assess the fatigue strength of defect-afflicted cast steel components made of G21Mn5+N. Based on radiographs of complexly shaped spatial imperfections, the established TCD-framework leads to a sound agreement of numerical and experimental fatigue strength. Moreover, a novel fatigue assessment methodology is presented, which bases on the projected planar defect shape, featuring an engineering-feasible design method without the need of extensive numerical simulations. About one-hundred additional imperfections referring to ASTM E446 class A and C validate the model, showing an average deviation of about five percent in fatigue strength.

U2 - 10.1016/j.ijfatigue.2022.107082

DO - 10.1016/j.ijfatigue.2022.107082

M3 - Article

VL - 163.2022

JO - International Journal of Fatigue

JF - International Journal of Fatigue

SN - 0142-1123

IS - October

M1 - 107082

ER -