0
TECHNICAL PAPERS: Gas Turbines: Manufacturing, Materials & Metallurgy

Strain-Life Assessment of Grainex Mar-M 247 for NASA’s Turbine Seal Test Facility

[+] Author and Article Information
Irebert R. Delgado

Vehicle Technology Directorate, U.S. Army Research Laboratory, NASA Glenn Research Center, Cleveland, OH 44135

Gary R. Halford, Bruce M. Steinetz

NASA Glenn Research Center, Cleveland, OH 44135

Clare M. Rimnac

Case Western Research University, Cleveland, OH 44106

J. Eng. Gas Turbines Power 127(3), 615-620 (Jun 24, 2005) (6 pages) doi:10.1115/1.1852563 History: Received October 01, 2003; Revised March 01, 2004; Online June 24, 2005
Copyright © 2005 by ASME
Your Session has timed out. Please sign back in to continue.

References

Tong, M., and Steinetz, B., 1997, “Grainex Mar-M 247 Disk FEA Thermal and Stress Analysis,” NASA High Speed Seal Test Rig Engineering Manual, NASA Glenn Research Center, Cleveland, Chapter 7.
Melis,  M. E., Zaretsky,  E. V., and August,  R., 1999, “Probabilistic Analysis of Aircraft Gas Turbine Disk Life and Reliability,” AIAA Journal of Propulsion and Power,15, pp. 658–666.
Lundberg,  G., and Palmgren,  A., 1947, “Dynamic Capacity of Rolling Bearings,” Acta Polytech. Scand., Mech. Eng. Ser., 1, pp. 1–49.
Keller, D. J., 1992, Introduction to Regression, RealWorld Quality Systems, Inc., Fairview Park.
Manson,  S. S., 1965, “Fatigue—A Complex Subject,” Exp. Mech., 5, pp. 193–226.
Halford,  G. R., and Nachtigall,  A. J., 1980, “Strainrange Partitioning Behavior of an Advanced Gas Turbine Disk Alloy AF2-1DA,” J. Aircr., 17, pp. 598–604.
Dowling, N. E., 1999, Mechanical Behavior of Materials: Engineering Methods for Deformation, Fracture and Fatigue, Prentice-Hall, Englewood Cliffs, NJ.
Morrow, J., 1968, Fatigue Design Handbook, SAE, New York.
Conway, J. B., and Sjodahl, L. H., 1991, Analysis and Representation of Fatigue Data, ASM International, Materials Park.
Kaufman, M., 1984, “Properties of Cast Mar-M 247 for Turbine Blisk Applications,” Superalloys 1984, M. Gell et al., eds., Metallurgical Society of AIME, Warrendale, PA, pp. 43–52.
Howmet Turbine Components Corporation, “TB 3000: Grainex Cast Mar-M 247 Alloy,” Howmet Turbine Components Corporation, Greenwich, CT.

Figures

Grahic Jump Location
NASA Glenn Research Center turbine seal test facility
Grahic Jump Location
Sample load- and strain-time history indicating Ni
Grahic Jump Location
Crack initiation strain-life results for Grainex Mar-M 247: R=0, 649°C, triangular wave form, 0.33 Hz. Ni was plotted on the abscissa, while %Δε was plotted on the ordinate.
Grahic Jump Location
Cycles to failure strain-life results for Grainex Mar-M 247: R=0, 649°C, triangular wave form, 0.33 Hz. Nf is plotted on the abscissa, while %Δε is plotted on the ordinate.
Grahic Jump Location
Strain-life prediction using the method of universal slopes equation and Grainex Mar-M 247 tensile data at 649°C
Grahic Jump Location
Comparison of MUS, MUS with mean stress effects, and data for Grainex Mar-M 247 at 649°C
Grahic Jump Location
Comparison of NASA Grainex Mar-M 247, R=0 data with the modified Morrow equation at 649°C
Grahic Jump Location
Variation of mean stress and range of stress with strain amplitude at Nf/2 for Grainex Mar-M 247 at 649°C 9
Grahic Jump Location
Typical fatigue crack growth stages for Grainex Mar-M 247 strain-life specimen at 649°C. SEM—BE mode at 100×.
Grahic Jump Location
Comparison of NASA Grainex Mar-M 247, R=0 strain-life data with literature 10

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In