The influence of grain boundary elements on properties and microstructures of P/M nickel base superalloys

Proceedings of the International Symposium on Superalloys

Volumn , Issue , 2004, Pages 73-81

  Huron, E S ^c   Bain, K R ^c   Mourer, D P ^a   Schirra, J J ^c   Reynolds, P L ^c   Montero, E E ^b  

^a GE AVIATION   (United States)

^b PRATT AND WHITNEY   (United States)

^c NONE

Author keywords

Boron; Carbon; Grain boundary; Grain boundary element; Hafnium; Magnesium; Powder metallurgy; Tantalum; Zirconium

Indexed keywords

BORON; CARBON; CRACK PROPAGATION; CREEP; GRAIN BOUNDARIES; HAFNIUM; MAGNESIUM PRINTING PLATES; MICROSTRUCTURE; NICKEL ALLOYS; POWDER METALLURGY; TANTALUM; TENSILE PROPERTIES; YIELD STRESS; ZIRCONIUM;

GRAIN BOUNDARY ELEMENT; GRAIN BOUNDARY OPTIMIZATION; THERMALLY INDUCED POROSITY (TIP); VOID FORMATION;

SUPERALLOYS;

EID: 23744464577     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.7449/2004/superalloys_2004_73_81     Document Type: Conference Paper

References (7)

1. J. J. Schirra et. al., "Effect of Microstructure (and Heat Treatment) on the 649C Properties of Advanced PM Superalloy Disk Materials", elsewhere in these proceedings.
2. U. S. Patent 5,143,563, September 1, 1992.
3. Pratt & Whitney, unpublished internal results.
4. U. S. Patent 5,662,749, June 7, 1995.
5. U. S. Patent 5,584,948, December 17, 1996.
6. T. J. Garosshen, T. D. Tillman, and G. P. McCarthy, "Effects of B, C, and Zr on the Structure and Properties of a P/M Nickel Base Superalloy", Met. Trans., 18A, 1987, pp. 69-77.
7. J. Gayda, T. P. Gabb, and R. V. Miner, "Fatigue Crack Propagation of Nickel Base Superalloys at 650C", NASA TM 87150.