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Keywords: bending
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Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. July 2014, 136(3): 031001.
Paper No: MATS-13-1100
Published Online: April 1, 2014
... morphologies were also similar since characteristics indicative of bending to large angles (i.e., intense slip bands in the grain interiors and surface voids) were apparent on the surfaces of both alloys. However, the quantitative analyses revealed that the surface morphologies of these two alloys were quite...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041006.
Published Online: October 14, 2011
... this goal, a number of 6-ply, woven carbon fiber/epoxy laminates are fabricated by using various lengths of distribution media. The spatial variations of mechanical properties of these laminates are characterized using a three-point bending fixture. It is shown that for relatively thinner laminates...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041009.
Published Online: October 14, 2011
... the fracture morphology of the tested specimens indicating proper dispersion of the xd-CNTs by fracture propagation and cleavage plane displacement. 10 03 2011 14 07 2011 22 07 2011 14 10 2011 14 10 2011 adhesion bending bending strength carbon nanotubes composite material...
Journal Articles
Article Type: Multi-Physics Approaches For The Behavior Of Polymer-Based Materials
J. Eng. Mater. Technol. July 2011, 133(3): 030907.
Published Online: July 18, 2011
... and finite strain), bending and creep tests. The failure, plasticity, and elasticity parameters modifications are established. Tensile and bending tests lead to some similar characteristics evolution as, for example elastic modulus values. The creep behavior evolution is more complex to understand. Both...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021017.
Published Online: March 22, 2011
... been applied to analyzing R-curves of RCC generated using double cantilever beam and single cantilever bend specimens to establish a bridging law for RCC. The bridging law has been implemented into a micromechanical code for computing the fracture response of a bridged crack in a structural analysis...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021020.
Published Online: March 22, 2011
... to uniaxial bending stress and a plate with biaxial residual stresses that vary from compression to tension through the thickness are shown. 03 07 2010 20 01 2011 22 03 2011 22 03 2011 bending drilling finite element analysis holographic interferometry internal stresses plates...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021015.
Published Online: March 21, 2011
... and high-speed digital photography on edge cracked specimens in three-point bend configuration. A toughened neat epoxy system, Hexcel 3900, is also studied to provide a baseline comparison for neat PETI-5 system. The tensile stress-strain responses show PETI-5 to have excellent mechanical characteristics...
Journal Articles
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
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011008.
Published Online: December 1, 2010
... performed on the glass/epoxy laminated composites having several fiber orientations, 0 deg, 45 deg, and 90 deg, to calibrate the elastic and viscoelastic properties of the fibers and matrix. Three-point bending creep tests at elevated temperature ( 80 ° C ) were then carried out for a number of control...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011005.
Published Online: December 1, 2010
... to capture the nonlinear behavior at a high macroscopic shear strain level. The primary microscopic cell wall deformation mode under macroscopic in-plane shear loading was identified to be the bending of the vertical cell wall h , which is perpendicular to the macroscopic loading direction. The re-entrant...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031014.
Published Online: June 24, 2010
... to validate the numerical models and assess the crankshaft mechanical parameters such as the yield strength and the fatigue limit. An experimental innovative method applied to evaluate the crankshaft residual stresses by means of strain measurements under bending was also developed. This methodology proved...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031011.
Published Online: June 18, 2010
... field during cyclic bending is analyzed for strain ratios R ε = 0 and − 1 for multiple realizations of polycrystalline microstructure. Cyclic microplasticity in favorably oriented martensite grains is the primary driver for the relaxation of residual stresses in HCF. For the case of R ε = − 1...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031010.
Published Online: June 17, 2010
...M. Abedini; H. M. Ghasemi; M. Nili Ahmadabadi; R. Mahmudi In this paper, mechanical and tribological properties of a Ti-50.3 at % Ni alloy were investigated. The transformation temperatures of the alloy were determined using differential scanning calorimetry. Three-point bending tests were...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031007.
Published Online: June 16, 2010
...M. Toya; K. Fukagawa; M. Aritomi; M. Oda; T. Miyauchi Asymmetric three-point bending of a layered beam containing an interior interface crack is analyzed on the basis of the classical beam theory. Axial compressive and tensile forces are induced by bending in the parts of the beam above and below...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021016.
Published Online: March 12, 2010
... cyclic bending and torsion loading. It is demonstrated that the proposed criterion gives satisfactory results for all the five checked materials. 27 04 2009 21 10 2009 12 03 2010 12 03 2010 bending fatigue hardening pipes shafts steel torsion WB model multiaxial...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021014.
Published Online: February 22, 2010
... , which meets adhesion requirements for integration in Cu interconnects. The adhesion measurements are performed with a custom built four-point bend fracture mechanics testing system. Comparison of the copper film thickness to the measured adhesion energy indicated that there is no effect on the adhesion...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021001.
Published Online: January 12, 2010
... understood. This paper investigates the effects of the large compliance mismatch between the film and the substrate and of the film thickness for model systems using nanoindentation tests, finite element simulations, and an analytical model based on a classical plate-bending solution. The results showed...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011012.
Published Online: December 1, 2009
... bending fatigue. x-ray diffraction (XRD) measurements were carried out to determine the initial and stabilized residual stress fields. The residual stress field created by the surface treatments has been introduced into a finite element (FE) model by means of a fictitious temperature distribution...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2009, 131(4): 041001.
Published Online: September 3, 2009
...G. S. Schajer; Y. An Uniaxial tension and compression stress-strain curves are simultaneously evaluated from load and surface strain data measured during a bending test. The required calculations for the uniaxial results are expressed as integral equations and solved in that form using inverse...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021008.
Published Online: March 9, 2009
... . In the present study, a number of specimens were tested in uniaxial tension and four-point bending after exposure at elevated temperatures. The results indicate that the addition of carbon fibers can reduce the weight and increase the stiffness of the pure titanium. Moreover, the hybrid laminates are stronger...