Dynamic Hardening Equation of Nickel-Based Superalloy Inconel 718

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The dynamic response of the turbine blade materials is indispensable for analysis of erosions of turbine blades as a result of impulsive loading associated with gas flow. This paper is concerned with the dynamic hardening equation of the Nickel-based superalloy Inconel 718 which is widely used in the high speed turbine blade. Reported representative dynamic hardening equations have been constructed and evaluated using the dynamic hardening characteristics of the Inconel 718. Dynamic hardening characteristics of the Inconel 718 have been obtained by uniaxial tensile tests and SHPB tests. Uniaxial tensile tests have been performed with the variation of the strain rate from 0.001/sec to 100/sec and SHPB tests have been conducted at the strain rate ranging up to 4000/sec. Several existing models have been constructed and evaluated for Johnson-Cook model, Zerilli-Armstrong model, Preston-Tonks-Wallace model, modified Johnson-Cook model, and modified Khan-Huang model using test results at various strain rate conditions. The most applicable equation for the Inconel 718 has been suggested by comparison of constructed results.

Info:

Periodical:

Key Engineering Materials (Volumes 535-536)

Edited by:

Guoxing Lu and Qingming Zhang

Pages:

129-132

Citation:

K. Ahn and H. Huh, "Dynamic Hardening Equation of Nickel-Based Superalloy Inconel 718", Key Engineering Materials, Vols. 535-536, pp. 129-132, 2013

Online since:

January 2013

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$38.00

[1] E.B. Zaretsky, G.I. Kanel, S.V. Razorenov and K. Baumung, Impact strength properties of nickel-based refractory superalloys at normal and elevated temperatures, Int. J. Impact Eng. 31 (2005) 41-54.

DOI: https://doi.org/10.1016/j.ijimpeng.2003.11.004

[2] J.H. Song and H. Huh, The effect of strain rate on the material characteristics of Nickel-based superalloy Inconel 718, Key Eng. Mater. 340-341 (2007) 283-288.

DOI: https://doi.org/10.4028/www.scientific.net/kem.340-341.283

[3] K. Ahn, H. Huh and L. Park, Comparison of dynamic hardening equations for metallic materials with the variation of crystalline structures, Proc. of the 5th International Conference on High Speed Forming (2012).

[4] G.R. Johnson and W.H. Cook, A constitutive model and data for metals subjected to large strains, high strain rates and high temperatures, Proc. of the 7th International Symposium on Ballistics (1983) 541-547.

[5] F.J. Zerilli and R.W. Armstrong, Dislocation-mechanics-based constitutive relations for material dynamics calculations, J. Appl. Physi. 61 (1987) 1816-1825.

DOI: https://doi.org/10.1063/1.338024

[6] D.L. Preston, D.L. Tonks and D.C. Wallace, Model of plastic deformation for extreme loading conditions, J. Appl. Physi. 93 (2003) 211-220.

[7] W.J. Kang, S.S. Cho, H. Huh and D.T. Chung, Modified Johnson-Cook model for vehicle body crashworthiness simulation, Int. J. Vehicle Des. 21 (1999) 424-435.

DOI: https://doi.org/10.1504/ijvd.1999.005594

[8] H.J. Lee, J.H. Song and H. Huh, Dynamic tensile tests of auto-body steel sheets with the variation of temperature, Solid State Phenom. 116-117 (2006) 259-262.

DOI: https://doi.org/10.4028/www.scientific.net/ssp.116-117.259

[9] H. Huh, J.H. Lim and S.H. Park, High speed tensile test of steel sheets for the stress-strain curve at the intermediate strain rate, Int. J. Automotive Technology 10 (2009) 195-204.

DOI: https://doi.org/10.1007/s12239-009-0023-3

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