... , “ Microtensile Testing of Free-Standing Polysilicon Fibers of Various Grain Sizes ,” J. Micromech. Microeng. , 3 , pp. 13 – 17 . 10.1088/0960-1317/3/1/004 [26] Sharpe , W. N. , Jr. , Yuan , B. , and Vaidyanathan , R. , 1997 , “ Measurements of Young's Modulus, Poisson's Ratio, and Tensile...

... of nanocomposite dispersion and morphology on the dynamic behavior, another nanocomposite was prepared by melt mixing of polypropylene and a modified montmorillonite (dellite) (PP dellite). The dynamic property results for PP-nanocor show an increase of both Young’s modulus and yield stress with the increasing...

... optical microscopy, scanning electron microscopy, and wavelength dispersive spectroscopy. Oxygen concentration in the consolidated sample was 13.55% less than in the as-received powders. The flexure strength, fracture toughness, Young’s modulus, and Vickers hardness of the consolidated specimens were...

...: A Continuum Approach for Engineers , Wiley , Chichester, UK . 19 04 2009 22 07 2009 12 01 2010 12 01 2010 bending finite element analysis nanoindentation plates (structures) substrates thin films Young's modulus Stiff film on compliant substrate systems...

... surface strength while it is brittle and wear resistant, whereas the inner part is softer and flexible. The specific variation in Young’s modulus along the thickness of the presented composite is of particular interest in our case. The present work presents a finite element analysis and an experimental...

... quantities such as Young’s modulus or the stored energy associated to each loading-unloading cycle. Furthermore specific transition strains, A, B, C, and D, can be determined where the recovery properties change. It is demonstrated that beyond point C the strain hardening can be described by the simple...

... 12 2008 carbon steel coatings encapsulation fatigue cracks finite element analysis hardening inclusions martensitic steel nucleation plastic deformation Young's modulus inclusion fatigue crack interphase high cycle fatigue Design of improved process routes and new...

... investigated. The effects of temperature and pressure on the flexural strength, Young’s modulus, fracture toughness, relative density, activation energy, phase stability, and microstructure were assessed. The relative density and grain size increased with an increase in the temperature. The flexural strength...

.... The stress-strain curve for Al 6061-T6 is shown in Fig. 3 . Mechanical properties of the sample material (Al 6061-T6) Material Yield strength (MPa) Ultimate tensile strength (MPa) Young’s modulus E (GPa) Poisson’s ratio ν Al6061-T6 270 295 72 0.3 True strain...

... parameters that could affect grain boundary damage nucleation, the fip obtained by multiplying Simkin’s original parameter by E min ∕ E max , the ratio of Young’s modulus in the stress direction in the two grains, is best able to distinguish between cracked and intact grain boundary populations. Cracked...

... by the hyperbolic logarithm function to attain a single expression that is applied in the evaluation of the specimen’s elastic recovery ability, as shown in the unloading process. A new method is developed in the present study to evaluate both Young’s modulus and the yield strength of either a ductile or brittle...

... 01 2006 08 09 2006 inhomogeneous media functionally graded materials materials testing finite element analysis stress effects Young's modulus optical mapping nonhomogeneous materials contact stresses Nonhomogeneous materials often referred to as functionally graded...

... experiments have been conducted to characterize the TPO and to verify the modeling approach ( Wang, Y., 2002, Ph.D. thesis, The University of Michigan, Ann Arbor, MI ). The model includes a quantitative rate-dependent Young’s modulus, a nonlinear viscoelastic response between initial linear elastic response...

...B. Coluzzi; A. Biscarini; G. Mazzolai; F. M. Mazzolai; A. Tuissi The internal friction Q − 1 and the Young’s modulus E of NiTi based alloys have been measured as a function of temperature after various thermomechanical and hydrogen-doping treatments given to the materials. Hydrogen is found to play...

... due to the phase transformation, an equivalent nonlinear complex Young’s modulus is introduced. This notion usually used for viscoelastic materials is adapted here to SMA. Moreover, the impact of cycling on the equivalent modulus is presented. As a conclusion, a numerical results panel obtained...

... elastic constants Young's modulus stress effects From the application point of view, a detailed description of mechanical properties of single fibers is necessary to understand the yarn and fabric mechanics. Kevlar KM2 fabrics and their ballistic applications have recently been a research focus...

... agreements with the experimental data without any parameter fitting. We have also studied the temperature dependence of Young’s modulus and bifurcation strain of single-wall carbon nanotubes. The finite-temperature continuum theory based on interatomic potentials can also be combined with the atomistic...

..., 2003; revision received August 22, 2004. Review conducted by: N. Chandra. 07 July 2003 22 August 2004 22 02 2005 aluminium silicon compounds particle reinforced composites functionally graded materials creep finite element analysis internal stresses Young's modulus...

.... , 1996 , “ Exceptionally High Young’s Modulus Observed for Individual Carbon Nanotubes ,” Nature (London) , 381 , pp. 678 – 680 . Yakobson , B. I. , Brabec , C. J. , and Bernholc , J. , 1996 , “ Nanomechanics of Carbon Tubes: Instability Beyond Linear Response ,” Phys. Rev. Lett...

... on the experimental study of their fundamental mechanical properties, such as Young’s modulus, tensile and shear strength, compressibility and deformability. Selected experimental methods and techniques used for the studies will also be introduced. I conclude the review by discussing the new challenges still facing...