An improved Finite Fracture Mechanics approach to blunt V-notch brittle fracture mechanics: Experimental verification on ceramic, metallic, and plastic materials

Theoretical and Applied Fracture Mechanics - Tập 78 - Trang 20-24 - 2015
Alberto Sapora1, Pietro Cornetti1, Alberto Carpinteri1, Donato Firrao2
1Department of Structural, Building and Geotechnical Engineering, Politecnico di Torino Corso Duca degli Abruzzi 24, 10129 Torino, Italy
2Dept. of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy

Tóm tắt

Từ khóa


Tài liệu tham khảo

Gomez, 2004, A fracture criterion for blunted V-notched samples, Int. J. Fract., 127, 239, 10.1023/B:FRAC.0000036832.29429.21

Taylor, 2004, Predicting the fracture strength of ceramic materials using the theory of critical distances, Eng. Fract. Mech., 71, 2407, 10.1016/j.engfracmech.2004.01.002

Pugno, 2004, Predictions of strength in MEMS components width defects – a novel experimental theoretical approach, Int. J. Solids Struct., 42, 647, 10.1016/j.ijsolstr.2004.06.026

Lazzarin, 2005, Some expressions for the strain energy in a finite volume surrounding the root of blunted V-notches, Int. J. Fract., 135, 161, 10.1007/s10704-005-3943-6

Gomez, 2006, Failure criteria for linear elastic materials with U-notches, Int. J. Fract., 141, 99, 10.1007/s10704-006-0066-7

Ayatollahi, 2010, Brittle fracture in rounded-tip V-shaped notches, Mater. Des., 31, 60, 10.1016/j.matdes.2009.07.017

Barati, 2012, A notch root radius to attain minimum fracture loads in plates weakened by U-notches under mode I loading, Sci. Iran., 19, 491, 10.1016/j.scient.2012.04.010

Leguillon, 2003, Crack onset at a V-notch: influence of the notch tip radius, Int. J. Fract., 122, 1, 10.1023/B:FRAC.0000005372.68959.1d

Yosibash, 2004, Failure criteria for brittle elastic materials, Int. J. Fract., 125, 307, 10.1023/B:FRAC.0000022244.31825.3b

Picard, 2006, A method to estimate the influence of the notch-root radius on the fracture toughness of ceramics, J. Eur. Ceram. Soc., 26, 1421, 10.1016/j.jeurceramsoc.2005.02.016

Carpinteri, 2011, Brittle failures at rounded V-notches: a finite fracture mechanics approach, Int. J. Fract., 172, 1, 10.1007/s10704-011-9640-8

Carpinteri, 2012, A finite fracture mechanics approach to the asymptotic behavior of U-notched structures, Fatigue Fract. Eng. Mater. Struct., 35, 451, 10.1111/j.1460-2695.2011.01637.x

Carpinteri, 2008, A finite fracture mechanics approach to structures with sharp V-notches, Eng. Fract. Mech., 75, 1736, 10.1016/j.engfracmech.2007.04.010

Filippi, 2002, Developments of some explicit formulas useful to describe elastic stress fields ahead of notches in plates, Int. J. Solid Struct., 39, 4543, 10.1016/S0020-7683(02)00342-6

Lukas, 1987, Stress intensity factor for small notch-emanated cracks, Eng. Fract. Mech., 26, 471, 10.1016/0013-7944(87)90027-0

Xu, 1995, Practical stress expressions for stress concentration regions, Fatigue Fract. Eng. Mater. Struct., 22, 885, 10.1111/j.1460-2695.1995.tb00912.x

Sapora, 2014, Cracks at rounded V-notch tips: an analytical expression for the stress intensity factor, Int. J. Fract., 187, 285, 10.1007/s10704-014-9932-x

Roberti, 1978, The influence of high temperature austenitization on the toughness properties of as-quenched AISI 4340 steel, Metall. Ital., 70, 449

Firrao, 1982, The influence of notch root radius and austenitizing temperature on fracture appearance of as-quenched Charpy-V type AISI 4340 steel specimens, Metall. Trans. A, 13A, 1003, 10.1007/BF02643397

Tsuji, 1999, An investigation into the location of crack initiation sites in alumina, polycarbonate and mild steel, Fatigue Fract. Eng. Mater. Struct., 22, 509, 10.1046/j.1460-2695.1999.00181.x

Cornetti, 2006, Finite fracture mechanics: a coupled stress and energy failure criterion, Eng. Fract. Mech., 73, 2021, 10.1016/j.engfracmech.2006.03.010

Carpinteri, 2009, Generalized fracture toughness for specimens with re-entrant corners: experiments vs. theoretical predictions, Struct. Eng. Mech., 32, 609, 10.12989/sem.2009.32.5.609

Susmel, 2008, On the use of the theory of critical distances to predict static failures in ductile metallic materials containing different geometrical features, Eng. Fract. Mech., 75, 4410, 10.1016/j.engfracmech.2008.04.018

Taylor, 2005, The fracture mechanics of finite crack extension, Eng. Fract. Mech., 72, 1021, 10.1016/j.engfracmech.2004.07.001

Ayatollahi, 2011, Mixed mode brittle fracture of sharp and blunt V-notches in polycristalline graphite, Carbon, 49, 2465, 10.1016/j.carbon.2011.02.015

Berto, 2012, Brittle fracture of U-notched graphite plates under mixed mode loading, Mater. Des., 41, 421, 10.1016/j.matdes.2012.05.022

Priel, 2008, Failure initiation at a blunt V-notch tip under mixed mode loading, Int. J. Fract., 149, 143, 10.1007/s10704-008-9234-2

Sapora, 2013, A finite fracture mechanics approach to V-notched elements subjected to mixed-mode loading, Eng. Fract. Mech., 97, 216, 10.1016/j.engfracmech.2012.11.006