date: 2022-06-24T09:22:39Z
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pdf:docinfo:title: Effect of Wall Thickness and Surface Conditions on Creep Behavior of a Single-Crystal Ni-Based Superalloy
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Keywords: creep; thin-walled; casting surface; single crystal; MAR M247LC
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subject: The influence of wall thickness and specimen surface on the creep behavior of the single-crystal nickel-based superalloy MAR M247LC is studied. Specimens with wall thicknesses of 0.4, 0.8, 1 and 2 mm, with and without casting surface, are compared to specimens of the same wall thickness prepared from bulk material. Creep behavior turned out to be independent from surface conditions even for the thinnest specimens. The thickness debit effect is not pronounced for short creep rupture times (100 h at 980 C), whereas it is significant for creep rupture times longer than ~200 h at 980 C. The thickness debit effect is time-dependent and caused by oxidation and diffusion-controlled mechanisms.
dc:creator: Selina Körber, Silas Wolff-Goodrich, Rainer Völkl and Uwe Glatzel
dcterms:created: 2022-06-24T09:19:48Z
Last-Modified: 2022-06-24T09:22:39Z
dcterms:modified: 2022-06-24T09:22:39Z
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title: Effect of Wall Thickness and Surface Conditions on Creep Behavior of a Single-Crystal Ni-Based Superalloy
Last-Save-Date: 2022-06-24T09:22:39Z
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pdf:docinfo:keywords: creep; thin-walled; casting surface; single crystal; MAR M247LC
pdf:docinfo:modified: 2022-06-24T09:22:39Z
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dc:title: Effect of Wall Thickness and Surface Conditions on Creep Behavior of a Single-Crystal Ni-Based Superalloy
modified: 2022-06-24T09:22:39Z
cp:subject: The influence of wall thickness and specimen surface on the creep behavior of the single-crystal nickel-based superalloy MAR M247LC is studied. Specimens with wall thicknesses of 0.4, 0.8, 1 and 2 mm, with and without casting surface, are compared to specimens of the same wall thickness prepared from bulk material. Creep behavior turned out to be independent from surface conditions even for the thinnest specimens. The thickness debit effect is not pronounced for short creep rupture times (100 h at 980 C), whereas it is significant for creep rupture times longer than ~200 h at 980 C. The thickness debit effect is time-dependent and caused by oxidation and diffusion-controlled mechanisms.
pdf:docinfo:subject: The influence of wall thickness and specimen surface on the creep behavior of the single-crystal nickel-based superalloy MAR M247LC is studied. Specimens with wall thicknesses of 0.4, 0.8, 1 and 2 mm, with and without casting surface, are compared to specimens of the same wall thickness prepared from bulk material. Creep behavior turned out to be independent from surface conditions even for the thinnest specimens. The thickness debit effect is not pronounced for short creep rupture times (100 h at 980 C), whereas it is significant for creep rupture times longer than ~200 h at 980 C. The thickness debit effect is time-dependent and caused by oxidation and diffusion-controlled mechanisms.
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pdf:docinfo:creator: Selina Körber, Silas Wolff-Goodrich, Rainer Völkl and Uwe Glatzel
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creator: Selina Körber, Silas Wolff-Goodrich, Rainer Völkl and Uwe Glatzel
meta:author: Selina Körber, Silas Wolff-Goodrich, Rainer Völkl and Uwe Glatzel
dc:subject: creep; thin-walled; casting surface; single crystal; MAR M247LC
meta:creation-date: 2022-06-24T09:19:48Z
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meta:keyword: creep; thin-walled; casting surface; single crystal; MAR M247LC
Author: Selina Körber, Silas Wolff-Goodrich, Rainer Völkl and Uwe Glatzel
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