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Effect of Crystallographic Orientation on Subcritical Grain Boundary Cracking in a Conventionally Cast Polycrystalline Nickel-Based Superalloy

Published online by Cambridge University Press:  30 May 2013

Kameshwaran Swaminathan ,
John E. Blendell  and
Kevin P. Trumble
Kameshwaran Swaminathan*
Affiliation:
School of Materials Engineering, Purdue University, 701 W. Stadium Avenue, West Lafayette, IN 47906, USA
John E. Blendell
Affiliation:
School of Materials Engineering, Purdue University, 701 W. Stadium Avenue, West Lafayette, IN 47906, USA
Kevin P. Trumble
Affiliation:
School of Materials Engineering, Purdue University, 701 W. Stadium Avenue, West Lafayette, IN 47906, USA
*
*Corresponding author. E-mail: [email protected]; [email protected]
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Abstract

The role of grain orientation and grain boundary misorientation on the formation of subcritical grain boundary cracks in creep of a conventionally cast nickel-based superalloy has been studied. The crystallographic orientations of the grains adjacent to grain boundaries normal to the tensile axis were measured using electron backscattered diffraction. The difference in the Schmid factor for the {111} ⟨112⟩ slip system between the grains was compared to the occurrence of grain boundary cracking. In addition, the difference in the amount of potential primary creep was calculated. The cracked grain boundaries were found to have a larger difference in Schmid factor, as well as a larger difference in potential primary creep, compared with uncracked grain boundaries.

Keywords

Ni-based superalloycreepgrain boundary crackingelectron backscattered diffraction
Type
EBSD Special Section
Information
Microscopy and Microanalysis , Volume 19 , Issue 4 , August 2013 , pp. 978 - 987
Copyright
Copyright © Microscopy Society of America 2013 

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References

Boehlert, C.J., Longanbach, S.C., Nowell, M. & Wright, S. (2008). The evolution of grain-boundary cracking evaluated through in situ tensile-creep testing of Udimet alloy 188. J Mater Res 23, 500–506.CrossRefGoogle Scholar
Dalgleish, B.J., Lu, M.C. & Evans, A.G. (1988). The strength of ceramics bonded with metals. Acta Metall 36, 2029–2035.CrossRefGoogle Scholar
Donachie, M.J. & Donachie, S.J. (2002). Superalloys: A Technical Guide. Materials Park, OH: ASM International.CrossRefGoogle Scholar
Dyson, B.F. (1983). Continuous cavity nucleation and creep fracture. Scripta Metall 17, 31–37.CrossRefGoogle Scholar
Field, D.P. & Adams, B.L. (1992). Interface cavitation damage in polycrystalline copper. Acta Metall Mater 40, 1145–1157.Google Scholar
Gabb, T.P., Telesman, J., Garg, A., Lin, P., Provenzano, V., Heard, R. & Miller, H.M. (2010). Grain boundary engineering the mechanical properties of Allvac 718PlusTM superalloy NASA/TM 2010-216935. In 7th International Symposium on Superalloy 718 and Derivatives, Pittsburgh, PA, USA, October 10–13, 2010. Warrendale, PA: Minerals, Metals and Materials Society. Google Scholar
Hutchinson, J.W. (1976). Bounds and self-consistent estimates for creep of polycrystalline materials. Proc R Soc London, Ser A 348, 101–127.Google Scholar
Kear, B.H., Leverant, G.R. & Oblak, J.M. (1969). Analysis of creep-induced intrinsic/extrinsic fault pairs in a precipitation hardened nickel-base alloy. Trans ASM 62, 639–650.Google Scholar
Kim, T.K., Jin Yu & Jeon, J.Y. (1992). Creep rupture in a nickel-based superalloy. Metall Trans A 23A, 2581–2587.Google Scholar
Kobayashi, D., Miyabe, M., Kagiya, Y., Nagumo, Y., Sugiura, R., Matsuzaki, T. & Toshimitsu Yokobori, A. Jr. (2011). Creep damage evaluation of IN738LC based on the EBSD method by using a notched specimen. Strength Fract Complex 7, 157–167.CrossRefGoogle Scholar
Krafft, J.M. (1964). Crack toughness and strain hardening of steels. Appl Mater Res 3, 88–101.Google Scholar
Landes, J.D. & Wei, R.P. (1973). Kinetics of subcritical crack growth and deformation in a high strength steel. J Eng Mater Technol 95, 2–9.Google Scholar
Lebensohn, R.A. & Tome, C.N. (1993). A self-consistent anisotropic approach for the simulation of plastic deformation and texture development of polycrystals: Application to zirconium alloys. Acta Metall Mater 41, 2611–2624.Google Scholar
Lehockey, E.M., Palumbo, G. & Lin, P. (1998a). Improving the weldability and service performance of nickel and iron-based superalloys by grain boundary engineering. Metall Mater Trans A 29, 3069–3079.Google Scholar
Lehockey, E.M., Palumbo, G., Lin, P. & Brennenstuhl, A. (1998b). Mitigating intergranular attack and growth in lead-acid battery electrodes for extended cycle and operating life. Metall Mater Trans A 29, 387–396.Google Scholar
Leverant, G.R. & Kear, B.H. (1970). Mechanism of creep in gamma prime precipitation-hardened nickel-base alloys at intermediate temperatures. Metall Trans 1, 491–498.Google Scholar
Leverant, G.R., Kear, B.H. & Oblak, J.M. (1973). Creep of precipitation-hardened nickel-base alloy single crystals at high temperatures. Metall Trans 4, 355–362.CrossRefGoogle Scholar
Mackay, R.A. & Maier, R.D. (1982). The influence of orientation on the stress rupture properties of nickel-base superalloy single crystals. Metall Trans A 13A, 1747–1754.Google Scholar
Pan, Y., Adams, B.L., Olson, T. & Panayotou, N. (1996). Grain-boundary structure effects on intergranular stress corrosion cracking of alloy X-750. Acta Mater 44, 4685–4695.Google Scholar
Pollock, T.M. & Tin, S. (2006). Nickel-based superalloys for advanced turbine engines: Chemistry, microstructure, and properties. J Propul Power 22, 361–374.CrossRefGoogle Scholar
Quested, P.N., Henderson, P.J. & McLean, M. (1988). Observations of deformation and fracture heterogeneities in a nickel-base superalloy using electron back scattering patterns. Acta Metall 36, 2743–2752.CrossRefGoogle Scholar
Takaku, R., Saito, D. & Yoshioka, Y. (2009). Evaluation of creep damage of nickel-base superalloy by analyzing crystal orientation using EBSP method. In Materials Science & Technology 2009 Conference and Exhibition, Pittsburgh, PA, USA, October 25–29, 2009, pp. 760–770. Google Scholar
Thaveeprungsriporn, V. & Was, G. (1997). The role of coincidence-site lattice boundaries in creep of Ni-16Cr-9Fe at 36°C. Metall Mater Trans A 28, 2101–2112.Google Scholar
Was, G., Thaveeprungsriporn, V. & Crawford, D.C. (1998). Grain boundary misorientation effects on creep and cracking in nickel-based alloys. J Met 50, 44–49.Google Scholar
Wichmann, B.A. & Hill, I.D. (1982). An efficient and portable pseudo-random number generator. Appl Stat-J Roy St C 31, 188–190.Google Scholar
Wichmann, B.A. & Hill, I.D. (2006). Generating good pseudo-random numbers. Comput Stat Data Anal 51, 1614–1622.CrossRefGoogle Scholar
Yin, H., Gao, M. & Wei, R.P. (1989). Deformation and subcritical crack growth under static loading. Mater Sci Eng A 119, 51–58.Google Scholar
Yue, Z.F., Lu, Z.Z. & Zheng, C.Q. (1996). Evaluation of creep damage behavior of nickel-base directionally solidified superalloys with different crystallographic orientations. Theor Appl Fract Mec 25, 127–138.Google Scholar
Zhang, Z.F. & Wang, Z.G. (2000). Comparison of fatigue cracking possibility along large- and low-angle grain boundaries. Mater Sci Eng A 284, 285–291.Google Scholar