Computer modelling of crack propagation in porous reactor core graphite

Key Engineering Materials

Volumn 452-453, Issue , 2011, Pages 729-732

  Schlangen, E ^a   Flewitt, P E J ^b   Smith, G ^c   Crocker, A ^c   Hodgkins, A ^d  

^a DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

^b UNIVERSITY OF BRISTOL   (United Kingdom)

^c UNIVERSITY OF SURREY   (United Kingdom)

^d SERCO ASSURANCE   (United Kingdom)

Author keywords

Cracking; Graphite; Lattice model; Modeling; Nuclear reactor; Radiolytic oxidation

Indexed keywords

CRACK INITIATION; CRACK PROPAGATION; FILLERS; FRACTURE; FRACTURE TOUGHNESS; GRAPHITE; MICROSTRUCTURE; MODELS; NUCLEAR REACTORS; POROSITY;

COMPUTER MODELLING; FILLER PARTICLES; FRACTURE MECHANISMS; LATTICE MODELING; LOAD DISPLACEMENTS; LOAD-DISPLACEMENT BEHAVIOURS; PROPAGATION PREDICTION; RADIOLYTIC OXIDATION;

CRACKS;

EID: 78650741215     PISSN: 10139826     EISSN: 16629795     Source Type: Book Series    
DOI: 10.4028/www.scientific.net/KEM.452-453.729     Document Type: Conference Paper

References (15)

1. P.J. Heard, R. Moskovic and M.R. Wootton, Study of cracking behaviour of virgin PGA and Gilsocarbon reactor moderator graphite, University of Bristol, Interface Analysis Centre report PJH/IAC/03/09/C02, 2009.
2. B.T. Kelly, The structure and manufacture of nuclear graphite' in 'Irradiation damage in graphite due to fast neutrons in fission and fusion systems, IAEA-TECDIC-1154, IAEA, 2000.
3. A. Hodgkins, T.J. Marrow, M.R. Wootton, R. Moskovic and P.E.J. Flewitt, A consideration of the effect of radiolytic oxidation on fracture of reactor core graphites, Securing the safe performance of graphite reactor cores, Nothingham, November 24-26, 2008, in press.
4. P.J. Heard, M.R. Wootton, R. Moskovic and P.E.J. Flewitt, Crack initiation and propagation in Pile Grade A (PGA) reactor core graphite under a range of loading conditions, University of Bristol, interface Analysis Centre Report PJH/IAC/10/09/C01, 2009.
5. G.M. Hughes, P.J. Heard and M.R. Wootton, Examination of the pore structure of virgin PGA graphite using focussed ion beam microscopy and Amira 3-D reconstruction software, University of Bristol, Interface Analysis Centre Report GMH/IAC/06/07/C01, 2008.
6. A. Hodgkins, T.J. Marrow, M.R. Wootton, R. Moskovic and P.E.J. Flewitt, Fracture behaviour of radiolytically oxidised reactor core graphites: a view, Material Science and Technology, 2010, in press.
7. A.Y. Yaghi, T.H. Hyde, A.A. Becker and G. Walker, The integrity of graphite blocks in nuclear reactors, University of Nothingham Report, GRA/AHY/040806, August 2004.
8. B.T. Kelly, Physics of graphite, Applied Science (London), 1981.
9. B.L. Karihaloo, Fracture mechanics and structural concrete, Longmans Scientific and Technical (Harrow), 1995.
10. E. Schlangen and E. J. Garboczi, Fracture simulations of concrete using lattice models: Computational aspects, Eng. Fracture Mech. 57 (1997) 319-332.
11. E. Schlangen, Crack development in concrete, Part 1: fracture experiments and CT scan observations, in advances in fracture and damage mechanics VII, Key Engineering Materials, Vol. 699, 385-388, 2008.
12. E. Schlangen, E. and Z. Qian. 3D Modeling of fracture in cement-based material, Journal of Multiscale Modelling, Vol. 1, No. 2 (2009), 1-17.
13. E. Schlangen and J. G. M. van Mier, Experimental and numerical analysis of micromechanisms of fracture of cement-based composites, Cem. Conc. Composites, 14 (1992) 105-118.
14. E. Schlangen, Report: DUT-CiTG-Microlab-GPS-574.04-5, Delft University, May, 2010.
15. G. Smith & A. Crocker. Final report GPS0574.03, University of Surrey, December 2009.