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The Effect of Strain Rate on the Material Characteristics of Nickel-Based Superalloy Inconel 718

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Abstract:

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 material properties of the Inconel 718 alloy which is widely used in the high speed turbine blade. The dynamic response at the corresponding level of the strain rate should be acquired with an adequate experimental technique and apparatus due to the inertia effect and the stress wave propagation. In this paper, the dynamic response of the Inconel 718 at the intermediate strain rate ranged from 1/s to 400/s is obtained from the high speed tensile test and that at the high strain rate above 1000/s is obtained from the split Hopkinson pressure bar test. The effects of the strain rate on the dynamic flow stress, the strain rate sensitivity and the failure elongation are evaluated with the experimental results. Experimental results from both the quasi-static and the high strain rate up to 3000/s are interpolated in order to construct the constitutive relation that should be applied to simulate the dynamic behavior of the turbine blade made of the Inconel 718.

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Periodical:

Key Engineering Materials (Volumes 340-341)

Pages:

283-288

DOI:

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

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Online since:

June 2007

Authors:

Jung Han Song, Hoon Huh

Keywords:

Constitutive Relation, High Speed Tensile Testing Machine, Inconel 718, Split Hopkinson Pressure Bar (SHPB), Strain Rate Sensitivity (SRS)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] C.M. Martinez, D. Eylon, T. Nicholas, S.R. Thompson, J.J. Ruschau, J. Birkbeck and W.J. Porter: Mat. Sci. Eng. A Vol. 325 (2002), p.465.

Google Scholar

[2] Y.S. Na, J.T. Yeom, N.K. Park and J.Y. Lee: Met. Mater. Int. Vol. 9 (2003), p.15.

Google Scholar

[3] E.B. Zaretsky, G.I. Kanel, S.V. Razornov and K. Baumung: Int. J. Impact Eng. Vol. 31 (2005), p.41.

Google Scholar

[4] M.A. Meyers: Dynamic Behavior of Materials (John Wiley & Sons, New York 1994).

Google Scholar

[5] J.M. Pereira and B.A. Lerch: Int. J. Impact Eng. Vol. 25 (2001), p.715.

Google Scholar

[6] M.D. Sciuva, C. Frola and S. Salvano: Int. J. Impact Eng. Vol. 28 (2003), p.849.

Google Scholar

[7] H. Huh, J.H. Lim, S.B. Kim, S.S. Han and S.H. Park: Key Eng. Mater. Vol. 274-276 (2004), p.403.

Google Scholar

[8] J. H. Lim and H. Huh: submitted to Exp. Mech. (2005).

Google Scholar

[9] H. Kolsky: Stress Wave in Solids (Dover, New York 1949).

Google Scholar

[10] H. Huh, W.J. Kang and S.S. Han: Exp. Mech. Vol. 42 (2002), p.8.

Google Scholar

[11] G.R. Johnson and W.H. Cook: Eng. Fract. Mech. Vol. 21 (1985), p.31.

Google Scholar

[12] R. Liang and A.S. Khan: Int. J. Plasticity Vol. 15(1999), p.963.

Google Scholar

[13] W.J. Kang, S.S. Cho, H. Huh and D.T. Chung: Int. J. Vehicle Des. Vol. 21 (1999), p.424.

Google Scholar

[14] M.S. Han, J.U. Cho and A. Bergmark: Int. J. Automot. Techn. Vol. 6 (2005), p.229.

Google Scholar