Effect of boron and carbon on the fracture toughness of in 718 superalloy at room temperature and 650°C

Journal of Materials Engineering and Performance

Volumn 14, Issue 4, 2005, Pages 528-538

  Xiao, Lin ^a   Chen, Daolun ^b   Chaturvedi, Mahesh C ^a  

^a UNIVERSITY OF MANITOBA   (Canada)

^b RYERSON UNIVERSITY   (Canada)

Author keywords

Fracture toughness; J integral; JIc; KIc; KQ; Microstructure

Indexed keywords

ADDITION REACTIONS; BORON; CARBON; CONCENTRATION (PROCESS); CRYSTAL MICROSTRUCTURE; FRACTURE TOUGHNESS; GRAIN BOUNDARIES; PLASTIC DEFORMATION; SURFACE STRUCTURE;

J INTEGRAL; JIC; KIC; KQ;

SUPERALLOYS;

EID: 27744481153     PISSN: 10599495     EISSN: None     Source Type: Journal    
DOI: 10.1361/105994905X56106     Document Type: Conference Paper

References (25)

1. R.T. Holt and W. Wallace, Impurities and Trace Elements in Nickel-base Superalloys, Int. Metals Rev., Vol 21, 1976, p 1-24
2. 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, Metall. Trans. A, Vol 18, 1987, p 69-77
3. F.T. Furillo, J.M. Davidson, J.K. Tien, and L.A. Jackman, The Effects of Grain Boundary Carbides on the Creep and Back Stress of a Nickel-base Superalloy, Mater. Sci. Eng., Vol 39, 1979, p 267-273
4. T.J. Garosshen and G.P. McCarthy. Low Temperature Carbide Precipitation in a Nickel Base Superalloy, Metall. Trans. A, Vol 16A, 1985, p 1213-1223
5. C.C. Law and M.J. Blackburn, Creep-Rupture in Powder Metallurgi cal Nickel-Base Superalloys at Intermediate Temperatures, Metall. Trans. A, Vol 11, 1980, p 495-507
6. M.A. Burke, J. Greggi, Jr., and G.A. Whitlow, The Effect of Boron and Carbon on the Microstructural Chemistries of Two Wrought Nickel Base Superalloys, Scripta Metall., Vol 18, 1984, p 91-94
7. W.D. Cao and R.L. Kennedy, Effect and Mechanism of Phosphorus and Boron on Creep Deformation of Alloy 718, Proceedings of the Coference on Superalloys 718, 625, 706 and Various Derivatives, E.A. Loria, Ed., TMS, Warrendale, PA. 1997, p 511-520
8. S. Floreen and J.M. Davidson, The Effects of B and Zr on the Creep and Fatigue Crack Growth Behavior of a Ni-Base Superalloy. Metall. Trans. A, Vol 14, 1983, p 895-901
9. X. Huang, M.C. Chaturvedi, N.L. Richards, and J. Jackman, The Effect of Grain Boundary Segregation of Boron in Cast Alloy 718 on HAZ Microfissuring - a SIMS Analysis, Acta Mater., Vol 45, 1997, p 3095-3107
10. W. Chen, M.C. Chaturvedi, N.L. Richards, and G. McMahom, Grain Boundary Segregation of Boron in Inconel 718, Metall. Mater. Trans. A, Vol 29, 1998, p 1947-1954
11. X. Huang, M.C. Chaturvedi, and N.L. Richards, Effect of Homogenization Heat Treatment on the Microstructure and Heat-Affected Zone Microfissuring in Welded Cast Alloy 718, Metall. Mater. Trans. A, Vol 27, 1996, p 785-790
12. H. Quo, M.C. Chaturvedi, N.L. Richards, and G.S. McMahom, Interdependence of Character of Grain Boundaries, Intergranular Segregation of Boron and Grain Boundary Liquation in Simulated Weld Heat-Affected Zone in Inconel 718, Scripta Mater., Vol 40, 1999, p 383-388
13. M.G. Stout and W.W. Gerberich, Structure/Property/Continuum Synthesis of Ductile Fracture in Inconel Alloy 718, Metall. Trans. A, Vol 9, 1978, p 649-658
14. W.J. Mills, The Effect of Heat Treatment on the Room Temperature and Elevated Temperature Fracture Toughness Response of Alloy 718. ASEM J. Eng. Mater. Technol., Vol 102, 1980, p 118-126
15. M. Clavel and A. Pineau, Fatigue Behaviour of Two Nickel-base Alloys I: Experimental Results on Low Cycle Fatigue. Fatigue Crack Propagation and Substructures, Mater. Sci. Eng., Vol 55, 1982, p 157-171
16. L.A. James, and W.J. Mills, Effect of Heat-Treatment Upon the Fatigue-Crack Growth Behavior of Alloy 718 Weldments-Part I: Macroscopic Behavior, ASME J. Eng. Mater. Technal., Vol 107, 1985, p 34-40
17. T.H. Sanders, Jr.R.E. Frishmuth, and G.T. Embley, Temperature Dependent Deformation Mechanisms of Alloy 718 in Low Cycle Fatigue, Metall. Train. A, Vol 12, 1981, p 1003-1010
18. H.F. Merrick, The Low Cycle Fatigue of Three Wrought Nickel-Base Alloys, Metall. Trans., Vol 5, 1974, p 891-897
19. L. Xiao, D.L. Chen, and M.C. Chaturvedi, Effect of Boron on the Low-Cycle Fatigue Behavior and Deformation Structure of Inconel 718 at 650°C, Metall. Mater. Trans. A, Vol 35, 2004, p 3477-3487
20. L. Xiao, D.L. Chen, and M.C. Chaturvedi, Effect of Boron Concentration on Fatigue Crack Propagation Resistance and Low Cycle Fatigue Properties of Inconel 718, Superalloys 2004, K.A. Green, H. Harada, T.E. Howson, T.M. Pollock, R.C. Reed, J.J. Schirra, and S. Walston, Ed., TMS. Warrendale, PA, 2004, p 275-281
21. IC Testing Procedure. Fracture Analysis, ASTM STP560, 1974, p 170-186
22. J.G. Kaufman, Progress in Fracture Testing of Metallic Materials, Review of Developments in Plane Strain Fracture Toughness Testing, W.F. Brown, Jr., Ed., ASTM STP 463, 1970, p 3-21
23. IC Values from Tests on a Single Crystal Nickel-Base Superalloy, Scr. Metall. Mater., Vol 25, 1991, p 1333-1337
24. R.F. Decker and J.W. Freeman, The Mechanism of Beneficial Effects of Boron and Zirconium on Creep Properties of a Complex Heat-Resistant Alloy, Trans AIME, Vol 218, 1960, p 277-284
25. K.M. Delargy and G.D.W. Smith, Phase Composition and Phase Stability of a High-Chromium Nickel-Based Superalloy, IN939, Metall. Mater. Trans. A. Vol 14, 1983, p 1771-1783