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Keywords: delamination
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Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. February 2022, 89(2): 024501.
Paper No: JAM-21-1317
Published Online: October 22, 2021
... of the delamination length and complex data reduction. A TDCB is designed to achieve progressive interlaminar fracture of C/SiC composite material. Exact and closed-form J integral of the TDCB is derived, which is only a function of the applied load and sine of rotation at the load point. The J integral...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2020, 87(5): 051007.
Paper No: JAM-20-1023
Published Online: February 14, 2020
..., there is a delamination between two unidirectional carbon fiber polymer-reinforced plies with fibers in the 0 deg and 90 deg directions. Failure criteria for these materials have been presented previously. In this study, invariant parameters are used in the failure criteria. It is seen that the invariant length parameter...
Includes: Supplementary data
Journal Articles
Article Type: Research Papers
J. Appl. Mech. February 2020, 87(2): 021006.
Paper No: JAM-19-1503
Published Online: December 5, 2019
... buckling of an unbonded section is a necessary, but not sufficient, condition for delamination. For that configuration, buckling occurs at the Euler buckling load of a fixed–fixed plate. Although the present study does not include friction or tangential interface stresses, the onset of buckling should...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. February 2020, 87(2): 021001.
Paper No: JAM-19-1440
Published Online: November 4, 2019
...Mor Mega; Orly Dolev; Leslie Banks-Sills Several two- and three-dimensional mixed-mode interface failure criteria are proposed for predicting delamination failure in multidirectional, laminate composites. The proposed criteria, based on the stress intensity factors K 1 , K 2 , and K I I I , as well...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Appl. Mech. September 2019, 86(9): 091008.
Paper No: JAM-19-1213
Published Online: June 27, 2019
... 2019 25 05 2019 delamination fracture mechanics size effect law damage scaling brittleness ductility fiber-polymer composites fracture testing fracture process zone textile reinforcement asymptotic behavior Laminated polymer matrix composites are extensively used across...
Journal Articles
Article Type: Research-Article
J. Appl. Mech. January 2013, 80(1): 011002.
Paper No: JAM-12-1386
Published Online: October 19, 2012
... 31 08 2012 29 09 2012 A systematic study of factors affecting the delamination energy release rate and mode mix of a thermal barrier coating attached to a substrate is presented accounting for the influence of thermal gradients combined with rapid hot surface cooling. Transient thermal...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2012, 79(3): 031005.
Published Online: April 5, 2012
...Ruzica R. Nikolic; Jelena M. Djokovic In this paper the delamination of coating subjected to compressive stress on a cylindrical substrate is considered. This problem is particularly interesting in oxide coatings on wire elements exposed to extreme temperatures and in ceramic coatings on turbine...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2011, 78(1): 011009.
Published Online: October 13, 2010
...M. Y. He; J. W. Hutchinson; A. G. Evans A stretch/bend method for the in situ measurement of the delamination toughness of coatings attached to substrates is described. A beam theory analysis is presented that illustrates the main features of the test. The analysis is general and allows...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2010, 77(4): 041013.
Published Online: April 14, 2010
... process of loading-adhesion and unloading-delamination. Several worked examples are given as illustrations. A limiting case of adhering identical cylinders is shown to be consistent with recent model constructed by Tang et al. Such results are of particular importance in modeling the aggregation...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2010, 77(3): 031007.
Published Online: February 4, 2010
... stress field analysis delamination elastic moduli glass mechanical testing polymer films interface adhesion mode-mixity bulge testing PDMS Relatively weak, reversible adhesion between soft films and comparatively rigid substrates is widely exploited in many applications, notably...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2009, 76(5): 051005.
Published Online: June 18, 2009
...Kai-tak Wan; Scott E. Julien A circular membrane clamped at the periphery is allowed to adhere to or to delaminate from a planar surface of a cylindrical punch in the presence of intersurface forces with finite range and magnitude. Assuming a uniform disjoining pressure within the cohesive zone...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2009, 76(5): 051003.
Published Online: June 16, 2009
... in the current study can be extended to multilinear cohesive laws, although only bilinear cohesive law is presented in this work as an example. 29 04 2008 04 11 2008 16 06 2009 crack-edge stress field analysis delamination elastic deformation finite element analysis fracture mechanics...
Journal Articles
Article Type: Advances In Impact Engineering
J. Appl. Mech. September 2009, 76(5): 051304.
Published Online: June 15, 2009
...Alireza Forghani; Reza Vaziri This paper presents a robust computational model for the response of composite laminates to high intensity transverse dynamic loading emanating from local impact by a projectile and distributed pressure pulse due to a blast. Delaminations are modeled using a cohesive...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. July 2009, 76(4): 041008.
Published Online: April 22, 2009
...Z. Xue; A. G. Evans; J. W. Hutchinson Delamination of coatings initiated by small cracks paralleling the free surface is investigated under conditions of high thermal flux associated with a through-thickness temperature gradient. A crack disrupts the heat flow thereby inducing crack tip stress...
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): 051106.
Published Online: July 11, 2008
... are subjected to different temperatures and a two-dimensional steady-state temperature distribution develops. The case of compressively stressed coating is considered. Under this condition, buckling can occur, the crack can propagate, and the coating is prone to delamination. To predict the onset...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2008, 75(3): 031006.
Published Online: April 4, 2008
...Masaki Omiya; Kikuo Kishimoto; Takashi Nakano The delamination of thin coating films from substrates is a critical issue for the reliability of micro- and nanoelectronic devices. Indentation methods have the potential to measure interfacial strength in micro- and nanofilm thickness coating films...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2007, 74(6): 1134–1141.
Published Online: January 24, 2007
...Zdeněk Bažant; Peter Grassl Because the observed size effect follows neither the strength theory nor the linear elastic fracture mechanics, the delamination fracture of laminate-foam sandwiches under uniform bending moment is treated by the cohesive crack model. Both two-dimensional geometrically...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2007, 74(2): 240–248.
Published Online: February 3, 2006
...D. Wu; S. S. Law Delamination is a common type of damage in laminated fiber-reinforced polymer (FRP) composites. As FRP composites are becoming popular in upgrading and strengthening of civil concrete structures, the specific delamination damage, i.e., the FRP-concrete debonding, is considered more...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2005, 72(5): 658–665.
Published Online: November 4, 2004
...M. Toya; M. Oda; A. Kado; T. Saitoh Energy release rates for an edge delamination of a laminated beam subjected to through-thickness temperature gradient are analyzed on the basis of the classical beam theory. The decomposition of the energy release rate into mode I and mode II components is made...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2004, 71(2): 247–254.
Published Online: May 5, 2004
...B. Stora˚kers; P.-L. Larsson; C. Rohart A theoretical and computational study has been carried out for compressive loading of a thin circular embedded delamination located below a cylindrical surface. The delaminated member is subjected to nominally uniaxial and balanced biaxial loading...