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The Mechanical Properties of Candidate Superalloys for a Hybrid Turbine Disk
AUTHOR | Administration (Nasa), National Aeronaut |
PUBLISHER | Independently Published (08/21/2020) |
PRODUCT TYPE | Paperback (Paperback) |
Description
The mechanical properties of several cast blade superalloys and one powder metallurgy disk superalloy were assessed for potential use in a dual alloy hybrid disk concept of joined dissimilar bore and web materials. Grain size was varied for each superalloy class. Tensile, creep, fatigue, and notch fatigue tests were performed at 704 to 815 degC. Typical microstructures and failure modes were determined. Preferred materials were then selected for future study as the bore and rim alloys in this hybrid disk concept. Powder metallurgy superalloy LSHR at 15 micron grain size and single crystal superalloy LDS-1101+Hf were selected for further study, and future work is recommended to develop the hybrid disk concept. Gabb, Timothy P. and MacKay, Rebecca A. and Draper, Susan L. and Sudbrack, Chantal K. and Nathal, Michael V. Glenn Research Center NASA/TM-2013-217901, E-18713 WBS 473452.02.03.05.04.01.01
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Product Format
Product Details
ISBN-13:
9798676341022
Binding:
Paperback or Softback (Trade Paperback (Us))
Content Language:
English
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Page Count:
72
Carton Quantity:
57
Product Dimensions:
8.50 x 0.15 x 11.02 inches
Weight:
0.42 pound(s)
Country of Origin:
US
Subject Information
BISAC Categories
Reference | Research
Reference | Space Science - General
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The mechanical properties of several cast blade superalloys and one powder metallurgy disk superalloy were assessed for potential use in a dual alloy hybrid disk concept of joined dissimilar bore and web materials. Grain size was varied for each superalloy class. Tensile, creep, fatigue, and notch fatigue tests were performed at 704 to 815 degC. Typical microstructures and failure modes were determined. Preferred materials were then selected for future study as the bore and rim alloys in this hybrid disk concept. Powder metallurgy superalloy LSHR at 15 micron grain size and single crystal superalloy LDS-1101+Hf were selected for further study, and future work is recommended to develop the hybrid disk concept. Gabb, Timothy P. and MacKay, Rebecca A. and Draper, Susan L. and Sudbrack, Chantal K. and Nathal, Michael V. Glenn Research Center NASA/TM-2013-217901, E-18713 WBS 473452.02.03.05.04.01.01
Show More