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Keywords: indentation
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Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. June 2023, 90(6): 061010.
Paper No: JAM-23-1011
Published Online: March 6, 2023
...Weike Yuan; Xinrui Niu; Gangfeng Wang Owing to the significant effects of adhesive force and surface/membrane tension, the classical contact models often fail to describe the indentation responses of soft materials and biological systems. This work addresses the axisymmetric indentation...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. October 2019, 86(10): 101009.
Paper No: JAM-19-1290
Published Online: August 5, 2019
... that residual stresses or prestrains can affect indentation tests of different materials, including metals, glassy polymers, soft elastomers, and gels. Nevertheless, an indentation method for determining the state of residual stresses or prestrains of large magnitude in an elastomer is not yet available...
Topics:
Elastomers
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. May 2019, 86(5): 051009.
Paper No: JAM-19-1022
Published Online: March 5, 2019
...Shengchen Liu; Kai-tak Wan A rigid inclusion is embedded at a finite depth in a soft layer resting on a rigid substrate. A spherical indenter presses vertically onto the surface, deforming the matrix and displacing the inclusion. A subsurface inclusion initially near the indentation axis moves...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. April 2014, 81(4): 041007.
Paper No: JAM-13-1219
Published Online: September 23, 2013
... } which indicates that each of the three integrals involved has to be finite at any τ ∈ [ 1 , ∞ ) or r ∈ [ a , ∞ ) . For the second integral to be finite at τ = 1, it is necessary from Eq. (A2) in the Appendix that the indentation depth of the punch has the form given in Eq...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. January 2012, 79(1): 011002.
Published Online: November 14, 2011
... conditions and for both types of core, the sandwich beams containing front-and-back faces underwent indentation beneath the mid-span roller whereas Brazier plastic buckling was responsible for the collapse of sandwich beams absent the back face. Three-dimensional finite element (FE) predictions were in good...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. July 2011, 78(4): 041019.
Published Online: April 15, 2011
...X. Yin; K. Komvopoulos Elastic-plastic indentation of a single-crystal half-space by a rigid cylinder was analyzed by discrete dislocation plasticity. Short-range dislocation interactions were modeled by a set of constitutive rules of dislocation emission, glide, pinning (by obstacles...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2011, 78(3): 031008.
Published Online: February 15, 2011
... beams in three-point bending: core shear, face microbuckling, face wrinkling, and indentation. Selected geometries of sandwich beams were tested to illustrate these collapse modes, with good agreement between analytic predictions and measurements of the failure load. Finite element (FE) simulations...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. January 2011, 78(1): 011007.
Published Online: October 12, 2010
...Yin Zhang; Ya-pu Zhao Because of the large aspect ratio of its length to radius and the large surface area to volume ratio, the nanowire is highly flexural and susceptible to the adhesion influence. The bending deflection of nanowire and its adhesion effect make the previous indentation models...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. May 2009, 76(3): 031007.
Published Online: March 9, 2009
... bristles of two brushes when pressed together. The adhesive strength of the system is promoted by high elastic modulus, high friction coefficient, large aspect ratio, and dense packing of the fibers. However, the design is limited by the compressive buckling, the compressive indentation or cracking...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011010.
Published Online: November 5, 2008
... with platelike interfaces. Because Green’s function satisfies the traction-free surface, the interfacial displacement continuity and the interfacial traction discontinuity conditions, only the indentation surface area where the boundary condition is altered, are numerically discretized. Numerical results...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Research Papers
J. Appl. Mech. November 2008, 75(6): 061021.
Published Online: August 22, 2008
...Shane E. Flores; Michael G. Pontin; Frank W. Zok A mechanistic framework has been developed for interpreting scratch tests performed with spherical indenters on elastic∕plastic materials. The pertinent scaling relations have been identified through a plastic analysis and the model has been...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. September 2008, 75(5): 054502.
Published Online: July 17, 2008
... cosine punch, and compare the results with Hertz’s solution. 12 09 2007 03 11 2007 17 07 2008 elasticity indentation mechanical contact polynomial approximation Contact pressure distribution between two surfaces has always been of great interest to engineers. Perhaps...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. May 2008, 75(3): 034504.
Published Online: May 5, 2008
... of interface microslip, but quantitative comparison to the experiments supports the friction stress model. 17 04 2007 18 12 2007 05 05 2008 finite element analysis friction indentation interface phenomena nanocontacts slip stress effects The Oliver–Pharr approach...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
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
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2006, 73(5): 737–744.
Published Online: April 24, 2006
... fraction to a volume fraction near 5%. The default average Young’s moduli given by the MTS Nano XP system for the in-plane and the through-thickness directions are 4250 and 3470 MPa , respectively, determined from the unloading in the indentation load-displacement data, much higher than...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. March 2007, 74(2): 298–306.
Published Online: February 5, 2006
... stresses stress measurement light interferometry indentation finite element analysis cutting stress-strain relations Ring-core cutting combined with a resistance strain rosette (RSR) was used to measure residual stresses. Ring-core cutting method mills an annular groove to relieve residual...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. March 2007, 74(2): 373–374.
Published Online: January 20, 2006
.... It is an extension of Hertz’s solution, which concerns the contact of two elastic spheres. A general procedure on how to solve this kind of problem is presented. As an example, we consider the contact between a cone and a sphere. The relations among the radius of the contact area, the depth of the indentation...
Journal Articles
Yueming Liang, Alexander V. Spuskanyuk, Shane E. Flores, David R. Hayhurst, John W. Hutchinson, Robert M. McMeeking, Anthony G. Evans
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. January 2007, 74(1): 81–99.
Published Online: December 2, 2005
... attached. In stage II, the core crushes and all of the constituents (wet and dry face and core) converge onto a common velocity. In stage III, the panel deflects and deforms, dissipating its kinetic energy by plastic bending, stretching, shearing, and indentation. The results provide insight about three...
Journal Articles
William W. Gerberich, W. M. Mook, M. D. Chambers, M. J. Cordill, C. R. Perrey, C. B. Carter, R. E. Miller, W. A. Curtin, R. Mukherjee, S. L. Girshick
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. March 2006, 73(2): 327–334.
Published Online: August 1, 2005
... of Ceramic Crystals Subjected to Very Low Load (Nano)indentations ,” J. Mater. Res. 0884-2914 , 7 , pp. 450 – 473 . Lilleodden , E. T. , Bonin , W. , Nelson , J. , Wyrobek , J. T. , and Gerberich , W. W. , 1995 , “ In situ imaging of μN load indents into GaAs ,” J. Mater...
Journal Articles
Journal:
Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. November 2005, 72(6): 972–977.
Published Online: March 2, 2005
...Yong Hoon Jang The paper presents a numerical solution to the problem of a hot rigid indenter sliding over a thermoelastic Winkler foundation with a thermal contact resistance at constant speed. It is shown analytically that no steady-state solution can exist for sufficiently high temperature...
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