2019
DOI: 10.1007/s11665-019-04353-z
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The High-Temperature Mechanical Properties of EN 1.4509 Stainless Steel Cast Using Investment Casting

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Cited by 1 publication
(2 citation statements)
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“…NbFe 2 -containing ferritic stainless steels with Cr contents in the range 15 to 19 wt% and low C contents of 0.01 wt% or less were developed for application in automotive exhaust systems, which currently are working at temperatures in the range of up to 900°C [740][741][742][743][744][745][746][747][748][749][750][751][752][753][754][755][756]. Typical Nb additions are in the range 0.4 to 0.8 wt% and lead to significant solid solution strengthening of the ferrite matrix with precipitation of NbFe 2 Laves phase and small amounts of Nb(C,N) and Fe 3 Nb 3 C during aging.…”
Section: Ferritic 15-22% Cr Steelsmentioning
confidence: 99%
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“…NbFe 2 -containing ferritic stainless steels with Cr contents in the range 15 to 19 wt% and low C contents of 0.01 wt% or less were developed for application in automotive exhaust systems, which currently are working at temperatures in the range of up to 900°C [740][741][742][743][744][745][746][747][748][749][750][751][752][753][754][755][756]. Typical Nb additions are in the range 0.4 to 0.8 wt% and lead to significant solid solution strengthening of the ferrite matrix with precipitation of NbFe 2 Laves phase and small amounts of Nb(C,N) and Fe 3 Nb 3 C during aging.…”
Section: Ferritic 15-22% Cr Steelsmentioning
confidence: 99%
“…Owing to the low C and high Cr contents, the Laves phase can-compared to 9-12Cr steels-exist as stable phase up to much higher temperatures ([ 1000°C depending on composition [750,754]). While the incongruently growing Laves phase was reported to be detrimental for the long-term strength at 700°C [742], its formation along grain boundaries was found to effectively prevent grain growth at higher temperatures, thus preserving the high-temperature strength over a long time period [750,755]. To reduce emissions of conventional car engines, higher discharge temperatures are needed and the operating temperatures of exhaust manifolds will approach 1000°C or more [747,752].…”
Section: Ferritic 15-22% Cr Steelsmentioning
confidence: 99%