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Keywords: indentation
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2020, 142(3): 031002.
Paper No: MATS-19-1173
Published Online: February 7, 2020
...Yupeng Zhang; Alan Needleman Instrumented indentation tests provide an attractive means for obtaining data to characterize the plastic response of engineering materials. One difficulty in doing this is that the relation between the measured indentation force versus indentation depth response...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2020, 142(2): 021005.
Paper No: MATS-19-1188
Published Online: December 4, 2019
...Kiyohiro Ito; Masayuki Arai The indentation formed on a metallic component by the high-velocity impingement of a small object can fracture the component, and this is known as foreign object damage. In this type of dynamic indentation, it is necessary to consider the effects of work hardening...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. July 2014, 136(3): 031005.
Paper No: MATS-13-1175
Published Online: May 15, 2014
... investigation of the sensitivity of spherical indentation to experimental errors. The method is employed to investigate the reliability of various possible spherical indentation protocols, providing a ranking of the selected data reduction protocols from least to most sensitive to experimental errors. Explicit...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Eng. Mater. Technol. October 2013, 135(4): 041004.
Paper No: MATS-12-1255
Published Online: July 10, 2013
... the subsurface data along the centerline of the plastic zone (directly beneath indenter tip). For example, Fig. 11( a ) reveals the subsurface equivalent plastic strains and equivalent von Mises stress distributions along the centerline beneath a 50  μ m deep indentation for the graded materials with constant...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041002.
Published Online: October 13, 2011
... was made. X-ray diffraction analysis showed less decarburization of the nanocrystalline coating and a more homogeneous coating structure than the microcrystalline coating produced under the same spraying conditions. The mechanical assessment of the coatings was performed using microhardness and indentation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011014.
Published Online: December 3, 2010
...Lifeng Wang; Christine Ortiz; Mary C. Boyce The force-depth behavior of indentation into fibrillar-structured surfaces such as those consisting of forests of micro- or nanoscale tubes or rods is a depth-dependent behavior governed by compression, bending, and buckling of the nanotubes. Using...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. July 2010, 132(3): 034501.
Published Online: June 15, 2010
...E. A. Baxevani; A. E. Giannakopoulos The present paper presents a relation between the vickers hardness HV and the loading stiffness C of instrumented vickers indentation of metal substrates. The relation is based on the fact that the nonaxisymmetry of the plastic deformation of the vickers...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031002.
Published Online: May 21, 2009
... and then fabricated, modeled, and experimentally validated. To provide a unique biaxial stress state, a 60 mm diameter 10 mm thick disk of 316L stainless steel was plastically compressed through the thickness with an opposing 15 mm diameter hard steel indenters in the center of the disk. For validation, the stresses...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011002.
Published Online: December 15, 2008
... strains and stresses are shown to develop during the cyclic loading. Localized tensile stress regions are shown to develop due to stress reversal and strain hardening during both loading and unloading regimes. Hardness predictions also indicate that nano-indentation hardness values of the contact material...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041010.
Published Online: September 19, 2008
... capabilities have been used for this investigation. Two different tips were employed for indenting, one being a Berkovich diamond tip supplied by Hysitron, Inc., Minneapolis, MN and another being a parabolic tungsten tip, which was made in the laboratory. Indentations were performed within the interphase...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041001.
Published Online: August 26, 2008
...Y. C. Lu; D. M. Shinozaki Large displacement micro-indentation tests have been performed on various polymeric solids to measure the plastic properties. Cylindrical flat-ended indenters with diameter in the range of 10 – 90 μ m are mostly used. The mechanism of large-strain indentation has been...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2008, 130(1): 011008.
Published Online: January 17, 2008
...D. A. Doman; R. Bauer; A. Warkentin The contact characteristics of ceramic-metallic interactions are of critical importance in the design of high-speed ceramic rolling contact bearings. This type of interaction is not described well by traditional indentation tests since small displacements...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 603–608.
Published Online: December 15, 2006
...Chaiwut Gamonpilas; Esteban P. Busso A method that can determine uniquely the elastoplastic properties from indentation loading and unloading curves has been developed. It is based on finite element modeling and inverse analysis of two separate indenters. The approach was validated by numerical...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 523–529.
Published Online: December 13, 2006
...). The mechanical behaviors of individual phases in the specimen materials were investigated using a nano-indentation technique. The wear resistance of the specimens was evaluated on a ball-on-disk tribometer. The experimental results revealed that the increased Mo content had significant effects on the mechanical...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 200–206.
Published Online: June 19, 2006
...J. Yan; X. Chen; A. M. Karlsson An alternative, improved method to determine mechanical properties from indentation testing is presented. This method can determine the elastic modulus, yield strength and equi-biaxial residual stress from one simple test. Furthermore, the technique does not require...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 451–459.
Published Online: March 20, 2006
... on the fracture behavior of materials. Side-punching consists of simultaneously indenting opposite faces of a plate of material with rigid tools, using sufficient force to cause localized yielding over a finite-sized volume of material adjacent to the punching tools. This paper presents experimental measurements...
Journal Articles
Publisher: ASME
Article Type: Design Innovations
J. Eng. Mater. Technol. July 2006, 128(3): 468–475.
Published Online: March 5, 2006
... cold working hot working thermal conductivity scanning electron microscopy transmission electron microscopy indentation crystal microstructure hardness solidification wear resistance stress measurement EDM white layer residual stress hole-drilling strain-gage method ASTM standard...