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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
... can meander 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...
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. Table 3 Geometries and maximum ligament stress...
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
...). interface defeat transition velocity scale crack fracture toughness Fig. 1 Projectile shape (solid line), axisymmetric pressure of projectile (dotted line), and crack trajectory in target (gray) during a state of interface defeat Fig. 2 Illustration of the relation between the...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051003.
Published Online: July 27, 2011
... , eds., AIP , New York . ballistics brittleness densification fracture toughness glass high-pressure effects impact (mechanical) plastic deformation shear modulus softening Description of the glass model Description of the interior, surface and reference strength...
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 of the...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2011, 78(3): 031020.
Published Online: February 17, 2011
... composite adhesion fracture fracture toughness laminates shear deformation Williams , M. L. , 1959 , “ The Stress Around a Fault or Crack in Dissimilar Media ,” Bull. Seismol. Soc. Am. 0037-1106 , 49 , pp. 199 – 204 . Rice , J. R. , and Sih , G. C. , 1965...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061003.
Published Online: July 21, 2009
... – 588 . Romijn , N. E. , and Fleck , N. A. , 2007 , “ The Fracture Toughness of Planar Lattices: Imperfection Sensitivity ,” J. Mech. Phys. Solids 0022-5096 , 55 ( 12 ), pp. 2538 – 2564 . 10.1016/j.jmps.2007.04.010 Quintana Alonso , I. , and Fleck , N. A. , 2007...
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...
Journal Articles
Article Type: Errata
J. Appl. Mech. July 2007, 74(4): 832.
Published Online: March 19, 2007
...D. I. Garagash; E. Detournay 16 03 2007 19 03 2007 fracture toughness crack-edge stress field analysis fracture mechanics Equations 28 , 35b , 47 , 16 , and expression for Π 1 in Appendix D in the published paper contain typographical errors. The corrected...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1197–1211.
Published Online: March 19, 2007
... 10.1016/S1359-6454(97)00225-5 , 46 ( 2 ), pp. 599 – 608 . Fu , R. , and Zhang , T. Y. , 2000 , “ Effects of an Electric Field on the Fracture Toughness of Poled Lead Zirconate Titanate Ceramics ,” J. Am. Ceram. Soc. 0002-7820 , 83 ( 5 ), pp. 1215 – 1218 . Schneider , G. A...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2006, 73(5): 714–722.
Published Online: December 10, 2005
.... , Stemmer , S. , and Heuer , A. H. , 1997 , The Fracture Toughness of Polysilicon Microdevices: A First Report ,” J. Mater. Res. 0884-2914 12 ( 4 ), pp. 915 – 922 . Kahn , H. , Ballarini , R. , Mullen , R. L. , and Heuer , A. H. , 1999 , Electrostatically Actuated...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2005, 72(6): 916–928.
Published Online: April 10, 2005
...)00492-4 , 39 ( 26 ), pp. 6311 – 6337 . fracture mechanics volcanology oil technology fracture toughness viscosity crack-edge stress field analysis elasticity Sketch of a plane-strain fluid-driven fracture Zero- (after Adachi and Detournay ( 16 )) and first-order terms in...
Journal Articles
Article Type: Article
J. Appl. Mech. March 2005, 72(2): 157–164.
Published Online: March 15, 2005
... should be addressed. thin films sheet materials fracture mechanics friction stress analysis fracture toughness cutting integral equations 27 October 1999 17 June 2004 15 03 2005 Meehan , R. R. , and Burns , S. J. , 1996 , “ Mechanics of Slitting and...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2003, 70(6): 840–852.
Published Online: January 5, 2004
... 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
... Cracks in a Piezoelectric Ceramic. I. Global Energy Release Rate,” submitted for publication. piezoceramics crack-edge stress field analysis fracture mechanics fracture toughness 1 Convention for boundary conditions 2 A permeable crack with remote traction and charge...
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
... shown 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...
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 ¯ , the...