Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators

Bruce A. Pint; Sebastien Dryepondt; Michael P. Brady; Yukinori Yamamoto; Bo Ruan; Robert D. McKeirnan

doi:10.1115/GT2015-42763

Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators

Bruce A. Pint, Sebastien Dryepondt, Michael P. Brady, Yukinori Yamamoto, Bo Ruan, Robert D. McKeirnan

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Alumina-forming austenitic (AFA) steels represent a new class of corrosion- And creep-resistant austenitic steels designed to enable higher temperature recuperators. Field trials are in progress for commercially rolled foil with widths over 39 cm. The first trial completed 3,000 h in a microturbine recuperator with an elevated turbine inlet temperature and showed limited degradation. A longer microturbine trial is in progress. A third exposure in a larger turbine has passed 16,000 h. To reduce alloy cost and address foil fabrication issues with the initial AFA composition, several new AFA compositions are being evaluated in creep and laboratory oxidation testing at 650°- 800°C and the results compared to commercially fabricated AFA foil and conventional recuperator foil performance.

Original language	English
Title of host publication	Microturbines, Turbochargers and Small Turbomachines; Steam Turbines
Publisher	American Society of Mechanical Engineers (ASME)
ISBN (Electronic)	9780791856796
DOIs	https://doi.org/10.1115/GT2015-42763
State	Published - 2015
Event	ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, GT 2015 - Montreal, Canada Duration: Jun 15 2015 → Jun 19 2015

Publication series

Name	Proceedings of the ASME Turbo Expo
Volume	8

Conference

Conference	ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, GT 2015
Country/Territory	Canada
City	Montreal
Period	06/15/15 → 06/19/15

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10.1115/GT2015-42763

Cite this

Pint, B. A., Dryepondt, S., Brady, M. P., Yamamoto, Y., Ruan, B., & McKeirnan, R. D. (2015). Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators. In Microturbines, Turbochargers and Small Turbomachines; Steam Turbines (Proceedings of the ASME Turbo Expo; Vol. 8). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/GT2015-42763

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title = "Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators",

abstract = "Alumina-forming austenitic (AFA) steels represent a new class of corrosion- And creep-resistant austenitic steels designed to enable higher temperature recuperators. Field trials are in progress for commercially rolled foil with widths over 39 cm. The first trial completed 3,000 h in a microturbine recuperator with an elevated turbine inlet temperature and showed limited degradation. A longer microturbine trial is in progress. A third exposure in a larger turbine has passed 16,000 h. To reduce alloy cost and address foil fabrication issues with the initial AFA composition, several new AFA compositions are being evaluated in creep and laboratory oxidation testing at 650°- 800°C and the results compared to commercially fabricated AFA foil and conventional recuperator foil performance.",

author = "Pint, {Bruce A.} and Sebastien Dryepondt and Brady, {Michael P.} and Yukinori Yamamoto and Bo Ruan and McKeirnan, {Robert D.}",

note = "Publisher Copyright: Copyright {\textcopyright} 2015 by ASME.; ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, GT 2015 ; Conference date: 15-06-2015 Through 19-06-2015",

year = "2015",

doi = "10.1115/GT2015-42763",

language = "English",

series = "Proceedings of the ASME Turbo Expo",

publisher = "American Society of Mechanical Engineers (ASME)",

booktitle = "Microturbines, Turbochargers and Small Turbomachines; Steam Turbines",

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Pint, BA, Dryepondt, S, Brady, MP, Yamamoto, Y, Ruan, B & McKeirnan, RD 2015, Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators. in Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. Proceedings of the ASME Turbo Expo, vol. 8, American Society of Mechanical Engineers (ASME), ASME Turbo Expo 2015: Turbine Technical Conference and Exposition, GT 2015, Montreal, Canada, 06/15/15. https://doi.org/10.1115/GT2015-42763

Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators. / Pint, Bruce A.; Dryepondt, Sebastien; Brady, Michael P. et al.
Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. American Society of Mechanical Engineers (ASME), 2015. (Proceedings of the ASME Turbo Expo; Vol. 8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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AB - Alumina-forming austenitic (AFA) steels represent a new class of corrosion- And creep-resistant austenitic steels designed to enable higher temperature recuperators. Field trials are in progress for commercially rolled foil with widths over 39 cm. The first trial completed 3,000 h in a microturbine recuperator with an elevated turbine inlet temperature and showed limited degradation. A longer microturbine trial is in progress. A third exposure in a larger turbine has passed 16,000 h. To reduce alloy cost and address foil fabrication issues with the initial AFA composition, several new AFA compositions are being evaluated in creep and laboratory oxidation testing at 650°- 800°C and the results compared to commercially fabricated AFA foil and conventional recuperator foil performance.

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Pint BA, Dryepondt S, Brady MP, Yamamoto Y, Ruan B, McKeirnan RD. Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators. In Microturbines, Turbochargers and Small Turbomachines; Steam Turbines. American Society of Mechanical Engineers (ASME). 2015. (Proceedings of the ASME Turbo Expo). doi: 10.1115/GT2015-42763

Field and laboratory evaluations of commercial and next generation alumina- forming austenitic foil for advanced recuperators

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