3D finite element modeling;
Plasticity-induced crack closure;
Effective stress intensity factor range;
Crack front shape;
Stainless steel;
EQUIVALENT THICKNESS CONCEPTION;
PLANE-STRAIN CONDITIONS;
FINITE-ELEMENT;
ROUND BARS;
SURFACE CRACKS;
CORNER CRACK;
CT SPECIMENS;
PART I;
GROWTH;
STRESS;
D O I:
10.1016/j.ijfatigue.2016.03.018
中图分类号:
TH [机械、仪表工业];
学科分类号:
0802 ;
摘要:
This paper deals with the numerical study of the plasticity-induced crack closure of through-thickness plane cracks, in CT specimens made of 304L austenitic stainless steel. The initial crack front is straight. Constant amplitude of the stress intensity factor is applied in order to limit the loading history influence. Crack propagation is achieved through automatic remeshing, with elastic and plastic parallel calculations. The local effective stress intensity factor range is calculated along the crack front, and considered as the propagation driving force. A comparison with experimental crack front shape allows the validation of the employed method, although some discrepancies remain near the specimen edges. (C) 2016 Elsevier Ltd. All rights reserved.
机构:
Materials Research Group, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United KingdomMaterials Research Group, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United Kingdom
Parry, M.R.
Syngellakis, S.
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机构:
Compl. Engineering and Design Groups, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United KingdomMaterials Research Group, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United Kingdom
Syngellakis, S.
Sinclair, I.
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机构:
Materials Research Group, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United KingdomMaterials Research Group, University of Southampton, School of Engineering Sciences, Highfield, Southampton, SO17 1BJ, United Kingdom
机构:
Univ Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USAUniv Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USA
Bhandari, S.
Potirniche, G. P.
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Univ Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USAUniv Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USA
Potirniche, G. P.
Ramirez, J.
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机构:
Univ Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USAUniv Idaho, Mech Engn Dept, 875 Perimeter Dr MS 0902, Moscow, ID 83844 USA
机构:
Fracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, ZamoraFracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, Zamora
Toribio J.
Matos J.C.
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机构:
Fracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, ZamoraFracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, Zamora
Matos J.C.
González B.
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机构:
Fracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, ZamoraFracture and Structural Integrity Research Group (FSIRG), University of Salamanca (USAL) E.P.S, Campus Viriato, Avda. Requejo 33, Zamora