NDLI: Austenitic Stainless Steels and Alloys With Improved High-Temperature Performance for Advanced Microturbine Recuperators

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Philip, J. Maziasz Bruce, A. Pint John, P. Shingledecker Karren, L. More Neal, D. Evans Lara-Curzio, Edgar
Copyright Year	2004
Abstract	Compact recuperators/heat-exchangers increase the efficiency of both microturbines and smaller industrial gas turbines. Most recuperators today are made from 347 stainless steel and operate well below 700°C. Larger engine sizes, higher exhaust temperatures and alternate fuels all demand recuperator materials with greater performance (creep strength, corrosion resistance) and reliability than 347 steel, especially for temperatures of 700–750°C. The Department of Energy (DOE) sponsors programs at the Oak Ridge National Laboratory (ORNL) to produce and evaluate cost-effective high-temperature recuperator alloys. This paper summarizes the latest high-temperature creep and corrosion data for a commercial 347 steel with modified processing for better creep resistanc, and for advanced commercial alloys with significantly better creep and corrosion resistance, including alloys NF709, HR120. Similar data are also provided on small lab heats of several new ORNL modified stainless steels.
Sponsorship	International Gas Turbine Institute
Starting Page	131
Ending Page	143
Page Count	13
File Format	PDF
ISBN	0791841715
DOI	10.1115/GT2004-54239
e-ISBN	0791837394
Volume Number	Volume 6: Turbo Expo 2004
Conference Proceedings	ASME Turbo Expo 2004: Power for Land, Sea, and Air
Language	English
Publisher Date	2004-06-14
Publisher Place	Vienna, Austria
Access Restriction	Subscribed
Subject Keyword	Industrial gases Temperature Creep Alloys High temperature Heat exchangers Steel Fuels Engines Exhaust systems Corrosion resistance High temperature creep Corrosion Stainless steel Reliability Turbines Microturbines
Content Type	Text
Resource Type	Article

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