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Keywords: hardness
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2020, 87(5): 051004.
Paper No: JAM-19-1594
Published Online: January 31, 2020
... specified residual stress remains in the body, the material hardness and the corresponding indentation depth at the inception of fully plastic deformation are examined for the first time. It is found that the hardness is remarkably dependent on the value of residual stress, especially for materials...
Topics: Stress
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. November 2011, 78(6): 064501.
Published Online: August 25, 2011
... in select biological materials that include bone, dentitional tissues, and a variety of woods. Our results indicate that woods are an order of magnitude more anisotropic than hard tissues and apatites. Finally, based on the available data, it is found that the anisotropy in human femur increases by over 40...
Journal Articles
Article Type: Advances In Impact Engineering
J. Appl. Mech. September 2009, 76(5): 051305.
Published Online: June 15, 2009
... the microstructure and normative properties (hardness and toughness) to be used as input parameters. Potential for attaining this goal has been provided by a recent constitutive model, devised by Deshpande and Evans (DE) [2008, “Inelastic Deformation and Energy Dissipation in Ceramics: A Mechanics-Based Dynamic...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. January 2009, 76(1): 011009.
Published Online: November 5, 2008
... at a frequency range up to 500 Hz, showing the ability of the material model to accurately describe the complex dynamic behavior of carbon-black filled rubber compounds. 18 02 2008 16 07 2008 05 11 2008 elastoplasticity filled polymers finite element analysis friction hardness...
Journal Articles
Article Type: Technical Briefs
J. Appl. Mech. January 2007, 74(1): 164–168.
Published Online: November 16, 2005
... at loading as in such a case self-similarity prevails. This is a very good approximation for ceramic/metallic composites but may not be so when the composite consists of two materials of roughly equal hardness. An approximate compliance formula for describing this feature is proposed showing good agreement...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2005, 72(5): 738–743.
Published Online: January 19, 2005
... in the nanometer regime. 30 12 2004 19 01 2005 indentation hardness finite element analysis plastic deformation nanostructured materials Nanoindentation has evolved into a valuable means of determining the mechanical properties of thin films and surfaces in nanometer regimes ( 1 2 3...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2002, 69(6): 800–810.
Published Online: October 31, 2002
... 93106-5070, and will be accepted until four months after final publication of the paper itself in the ASME JOURNAL OF APPLIED MECHANICS . 11 July 2001 28 Feb 2002 31 10 2002 buckling finite element analysis shear deformation fracture hardness vibrations laminates...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2002, 69(5): 657–662.
Published Online: August 16, 2002
... indentation deformation hardness elastoplasticity mechanical contact The elastic-plastic contact of a sphere and a flat is a fundamental problem in contact mechanics. It is applicable, for example, in problems such as particle handling ( 1 ), or sealing, friction, wear, and thermal and electrical...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2002, 69(4): 433–442.
Published Online: June 20, 2002
...W. W. Gerberich; N. I. Tymiak; J. C. Grunlan; M. F. Horstemeyer; M. I. Baskes For very shallow indentations in W, Al, Au, and Fe-3wt%Si single crystals, hardness decreased with increasing depth irrespective of increasing or decreasing strain gradients. As such, strain gradient theory appears...
Journal Articles
Article Type: Brief Notes
J. Appl. Mech. July 2002, 69(4): 547–552.
Published Online: June 20, 2002
... OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF APPLIED MECHANICS . Manuscript received by the ASME Applied Mechanics Division, Oct. 2, 2000; final revision, Nov. 18, 2001. Associate Editor: R. C. Benson. 02 Oct 2000 18 Nov 2001 20 06 2002 resonance hardness bending...
Journal Articles
Article Type: Brief Notes
J. Appl. Mech. July 2002, 69(4): 556–563.
Published Online: June 20, 2002
.... 5, 2001. Associate Editor: L. T. Wheeler. 08 May 2001 05 Oct 2001 20 06 2002 indentation anisotropic media thermoelasticity Laplace transforms elastic constants thermal stresses damping hardness bending composite materials Time-dependent thermal...
Journal Articles
Article Type: Brief Notes
J. Appl. Mech. May 2002, 69(3): 394–396.
Published Online: May 3, 2002
... indentation hardness damping crack-edge stress field analysis elastoplasticity stress-strain relations resonance ageing Bessel functions yield strength anisotropic media Measurement of hardness involves loading a hard sphere, cone, or pyramid indenter into the surface of a material...