PSI - Issue 13

Frank Tioguem Teagho et al. / Procedia Structural Integrity 13 (2018) 763–768 Author name / Structural Integrity Procedia 00 (2018) 000 – 000

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Fig.5. (a) Instrumented Charpy impact curves in the upper shelf-energy domain; (b) Corresponding initiation and propagation energy.

Acknowledgement

This work was financially supported by the French Innovation Supporting Agency (ANRT) under Grant CIFRE 2016/0670.

References

C. L. Briant, 1989. Role of carbides in tempered martensite embrittlement. Mater. Sci. Technol., vol. 5, no. 2, pp. 138 – 147. D. A. Curry, P. L. Pratt, 1979. The Role of Second Phase Particles in the Ductile Fracture of Higher Carbon Steels. Material Science and Engineering, 38, 228 – 235. S. Hong, J. Song, M.-C. Kim, K.-J. Choi, and B.-S. Lee. 2016. Effects of microstructural variation on Charpy impact properties in heavy-section Mn-Mo-Ni low alloy steel for reactor pressure vessel. Met. Mater. Int . , vol. 22, no. 2, pp. 196 – 203. Y.-R. Im, Y. Jun Oh, B.-J. Lee, J. Hwa Hong, and H.-C. Lee, 2001. Effects of carbide precipitation on the strength and Charpy impact properties of low carbon Mn – Ni – Mo bainitic steels. J. Nucl. Mater., vol. 297, no. 2, pp. 138 – 148. S. Maropoulos, N. Ridley, and S. Karagiannis, 2004. Structural variations in heat treated low alloy steel forgings. Mater. Sci. Eng. A, vol. 380, no. 1 – 2, pp. 79 – 92. A. Salemi and A. Abdollah-zadeh, 2008. The effect of tempering temperature on the mechanical properties and fracture morphology of a NiCrMoV steel. Mater. Charact., vol. 59, no. 4, pp. 484 – 487. S. Takebayashi, K. Ushioda, N. Yoshinaga, and S. Ogata, 2013. Effect of Carbide Size Distribution on the Impact Toughness of Tempered Martensitic Steels with Two Different Prior Austenite Grain Sizes Evaluated by Instrumented Charpy Test. Mater. Trans., vol. 54, no. 7, pp. 1110 – 1119. Y. Tomita, 1990. Effect of microstructure on tensile fracture of quenched and lightly tempered high carbon and low chromium steel containing undissolved spheroidal carbides. J. Mater. Sci., vol. 25, no. 11, pp. 4745 – 4751.

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