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Keywords: fracture toughness
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2020, 87(7): 071004.
Paper No: JAM-20-1134
Published Online: April 21, 2020
... remain elusive. In this paper, the deformation and fracture mechanism of multilevel hierarchical structures are explored by molecular dynamics simulations. The effects of the multilevel design on fracture toughness, nonlinear deformation of soft matrix, and the crack path pattern were quantitatively...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. March 2020, 87(3): 031018.
Paper No: JAM-19-1546
Published Online: January 22, 2020
... between or get attracted to and trapped in the inclusions. Composite specimens with a stiff matrix and compliant circular inclusions were 3D printed, and their fracture toughness was measured using a specially designed loading fixture. The experimental results show agreement with the numerical predictions...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2019, 86(11): 111004.
Paper No: JAM-19-1147
Published Online: September 17, 2019
... and significant improvements in fracture toughness, even without the occurrence of other toughening mechanisms, such as interface delamination. The application of the material inhomogeneity effect for different types of matrix materials is discussed. References [1] Anderson , T. L. , 1995 , Fracture...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. January 2019, 86(1): 011012.
Paper No: JAM-18-1524
Published Online: November 8, 2018
...Ruofei Chang; Zhou Chen; Cunjiang Yu; Jizhou Song Polydimethylsiloxane (PDMS) has a good elasticity but with a pretty low fracture toughness, which limits its use in practical applications. This paper presents a simple and low-cost approach to manufacture a PDMS/fabric composite through...
Journal Articles
Article Type: Terminal Ballistics And Impact Physics
J. Appl. Mech. May 2013, 80(3): 031804.
Paper No: JAM-12-1282
Published Online: April 19, 2013
... scale crack fracture toughness Interface defeat in ceramic targets has been studied extensively [ 1–14 ] and signifies that an impacting projectile is forced to flow radially outwards without significantly penetrating the ceramic material. The contact boundary between the projectile...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051003.
Published Online: July 27, 2011
... and at 4 μ s for BORO-9) are a result of wave reflections at the impactor-target interface. 15 10 2010 06 05 2011 27 07 2011 27 07 2011 ballistics brittleness densification fracture toughness glass high-pressure effects impact (mechanical) plastic deformation shear...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041016.
Published Online: April 14, 2011
...) fracture toughness and strength of the cement line, (iii) crack length, and (iv) elastic modulus and fracture properties of the osteon with respect to the interstitial bone. The results of the finite element simulations showed that low cement line strength facilitated crack deflection irrespective...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2011, 78(3): 031020.
Published Online: February 17, 2011
... Approach ,” Int. J. Solids Struct. 0020-7683 , 38 , pp. 9149 – 9177 . 10.1016/S0020-7683(01)00179-2 Boeman , R. G. , Erdman , D. , Klett , L. , and Lomax , R. , 1999 , “ A Practical Test Method for Mode I Fracture Toughness of Adhesive Joints With Dissimilar Substrates...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061003.
Published Online: July 21, 2009
... Weibull theory, and the consequences of a stochastic strength upon the fracture map are outlined. 30 07 2007 23 10 2007 21 07 2009 finite element analysis fracture toughness elastic behaviour lattice materials Ceramic honeycombs are used in catalytic converters...
Journal Articles
Article Type: Special Issue Honoring Professor Fazil Erdogan’S Contributions To Mixed Boundary Value Problems Of Inhomogeneous And Functionally Graded Materials
J. Appl. Mech. September 2008, 75(5): 051109.
Published Online: July 11, 2008
... that this may be a better fracture mechanics parameter for assessing fracture toughness of periodic layered media. Herein, we extend the above investigation by considering both Mode I and II loading to study the effect of layer modulus ratio on fracture mechanics parameters as a function of microstructural...
Journal Articles
Article Type: Errata
J. Appl. Mech. July 2007, 74(4): 832.
Published Online: March 19, 2007
.... fracture toughness crack-edge stress field analysis fracture mechanics 16 03 2007 19 03 2007 2007 American Society of Mechanical Engineers ...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1197–1211.
Published Online: March 19, 2007
... bending fracture toughness piezoelectric materials capacitance electric domains ferroelectric switching electric breakdown PZT piezoelectric fracture criterion compliance energy release rate Piezoelectric ceramics are commonly used as sensors and actuators in versatile, technical...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2006, 73(5): 714–722.
Published Online: December 10, 2005
... in different local and macroscopic stress intensity factors. 30 03 2005 10 12 2005 silicon elemental semiconductors semiconductor devices micromechanical devices reliability crack-edge stress field analysis fracture mechanics fracture toughness atomic force microscopy brittle...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2005, 72(6): 916–928.
Published Online: April 10, 2005
... volcanology oil technology fracture toughness viscosity crack-edge stress field analysis elasticity The problem of a fluid-driven fracture propagating in rock arises in hydraulic fracturing, a technique widely used in the petroleum industry to enhance the recovery of hydrocarbons from underground...
Journal Articles
Article Type: Article
J. Appl. Mech. March 2005, 72(2): 157–164.
Published Online: March 15, 2005
... sheet materials fracture mechanics friction stress analysis fracture toughness cutting integral equations A web is a thin, continuous, and flexible material such as a plastic film. Slitting, or equivalently cutting, of a web is a process that converts a web into narrower webs. Usually...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2003, 70(6): 840–852.
Published Online: January 5, 2004
... to determine the interlaminar fracture toughness of unidirectional composites in mode II. In the present study, appropriate matching conditions, in terms of generalized displacements and stress resultants, have been derived and applied at the crack tip by enforcing the displacement continuity at the crack tip...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2003, 70(2): 246–252.
Published Online: March 27, 2003
... 18 argued that crack growth in a piezoelectric solid is a multiscale phenomenon, and the local energy release rate may be a critical factor in fracture process. A local energy release rate criterion was subsequently proposed to measure the fracture toughness of piezoelectric materials. The local...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2001, 68(5): 758–765.
Published Online: May 17, 2001
...J. H. Liu; A. G. Atkins; G. Jeronimidis A simple relationship is obtained between the external force F and the fracture toughness R for thin sheets in steady state elastoplastic combined tearing and peeling along self-similar paths. The relationship depends only on the material properties ( E , σ y...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2001, 68(5): 725–730.
Published Online: March 3, 2001
... to increase the apparent fracture toughness. Roughness effects associated with the separating faces can also contribute to the apparent toughness. A model of mode II steady-state edge delamination that incorporates combined friction and roughness effects between the delaminated film and substrate is proposed...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. December 2000, 67(4): 777–784.
Published Online: April 7, 2000
... bridging model; this may result in initial delamination growth for some materials with lower fracture toughness when the delamination buckles rather than post-buckles. However, stable growth is obtained for a hardening bridging model; (2) with an increase of the nonlinear fiber bridging parameter β...