Browse > Article
http://dx.doi.org/10.20466/KPVP.2018.14.1.001

Finite Element Damage Analysis Method for J-Resistance Curve Prediction of Cold-Worked Stainless Steels  

Seo, Jun Min (고려대학교 기계공학과)
Kim, Ji Soo (고려대학교 기계공학과)
Kim, Yun Jae (고려대학교 기계공학과)
Publication Information
Transactions of the Korean Society of Pressure Vessels and Piping / v.14, no.1, 2018 , pp. 1-7 More about this Journal
Abstract
Materials in nuclear power plants can be embrittled by neutron irradiation. According to existing studies, the effect of the material property by irradiation embrittlement can be approximately simulated by cold working (pre-strain). In this study, finite element damage analysis method using the stress-modified fracture strain model is proposed to predict J-Resistance curves of irradiated SUS316 stainless steel. Experimental data of pre-strained SUS316 stainless steel material are obtained from literature and the damage model is determined by simulating the tensile and fracture toughness tests. In order to consider damage caused by the pre-strain, a pre-strain constant is newly introduced. Experimental J-Resistance curves for various degrees of pre-strain are well predicted.
Keywords
Irradiation Embrittlement; Pre-strain; Finite Element Damage Analysis; J-Resistance Curve;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Jacobs, A. J., Wozadlo, G. P., Nakata, K., Yoshida, T. and Masaoka, I., 1998, "Radiation effect on the stress corrosion and other selected properties of Type-304 and Type-316 stainless steel," Proceedings of the 3rd International Conference on Environmental Degradation of Materials in Nuclear Power Systems-Water Reactors, pp. 673-682.
2 Kamaya, M., Hojo, T. and Mochizuki, M., 2014, "Structural integrity of stainless steel components exposed to neutron irradiation," Transactions of the JSME, Vol. 80, No. 817, pp. 252
3 Gurson, A. L., 1977, "Continuum theory of ductile rupture by void nucleation and growth, Part-1-yield criteria and flow rules for porous ductile media," Journal of Engineering materials and Technology, Vol. 99, pp. 2-15.   DOI
4 Tvergaard, V. and Needleman, A., 1984, "Analysis of the cup-cone fracture in a round tensile bar," Acta Metall., Vol. 32, pp. 157-169.   DOI
5 Oh, C. S., Kim, N. H., Kim, Y. J., Baek J. H., Kim, Y. P. and Kim, W. S., 2011, "A finite element ductile failure simulation method using stress-modified fracture strain model," Engineering Fracture Mechanics, Vol. 78, pp. 124-137   DOI
6 Kim, N. H., Oh, C. S., Kim, Y. J., Yoon, K. B. and Ma, Y. H., 2011, "Comparison of fracture strain based ductile failure simulation with experimental results," Journal of Pressure Vessels and Piping, Vol. 88, pp. 434-447.   DOI
7 Kim, J. H., Kim, N. H., Kim, Y. J., Hasegawa, K. and Miyazaki, K., 2013, "Ductile fracture simulation of 304 stainless steel pipes with two circumferential surface cracks," Fatigue and Fracture of Engineering Materials and Structures, Vol. 36, No. 10, pp. 1067-1080.   DOI
8 Jeon, J. Y., Kim, Y. J., Kim, J. W. and Lee, S. Y., 2015, "Effect of thermal ageing of CF8M on multi-axial ductility and application to fracture toughness prediction," Fatigue and Fracture of Engineering Materials and Structures, Vol. 38, No. 12, pp.1466-1477.   DOI
9 Kamaya, M., 2010, "Effect of plastic strain on fracture strength of cracked components," Transactions of Japan Society of Mechanical Engineers, Vol. 76, No. 762., pp. 205-214.   DOI
10 Rice, J. R. and Tracey, D. M., 1969, "On the ductile enlargement of voids in triaxial stress fields," Journal of the Mechanics and Physics of Solids, Vol. 17, pp. 201-217.   DOI
11 ABAQUS Version 2016. User's Manual, 2016, Dassault Systems Simulia Corporation, USA
12 Kachanov, L. M., 1971, Foundation of the Theory of Plasticity, North-Holland.
13 Hancock, J. W. and Mackenzie, A. C., 1976, "On the mechanisms of ductile failure in high-strength steels subjected to multi-axial stress-states," Journal of the Mechanics and Physics of Solids, Vol. 24, pp.147-160.   DOI
14 Rousselier, G., 1987, "Ductile fracture models and their potential in local approach of fracture," Nuclear Engineering and Design, Vol. 105, pp. 97-111.   DOI
15 McClintock, F. A., 1968, "A criterion for ductile fracture by the growth of holes," Journal of Applied Mechanics, Vol 35, pp. 363-371.   DOI