... and microstructure changes due to multiwalled carbon nanotubes (MWNTs) dispersed in the composite laminates. In addition, effects of different nanotube functionalization and morphology are characterized via scanning electron microscopy and optical microscopy. To achieve adequate nanotube dispersion in the epoxy...

... fracture surfaces compared to neat samples. Optical microscopy study revealed no significant physical change in outer surfaces of the samples conditioned up to a 90-day period. 10 03 2011 13 07 2011 22 07 2011 13 10 2011 13 10 2011 bending strength carbon fibre reinforced...

... 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...

... creep testing electron backscattering electron diffraction filler metals fracture grain refinement optical microscopy pipes scanning electron microscopy steel welds 06 07 2010 17 11 2010 07 03 2011 07 03 2011 2011 American Society of Mechanical Engineers ...

... off, we have set up procedures for fabricating our samples. Using optical microscopy, we have examined the manufacturing of these films from a droplet diameter perspective. Our optical microscopy results indicate that the final film microstructure was directly dependent on the physical properties...

... decade rapidly. 02 06 2009 18 02 2010 16 06 2010 16 06 2010 bars crystal microstructure fatigue mechanical testing nickel alloys optical microscopy scanning electron microscopy superalloys welding capacitor discharge welding (D) CMSX-4 (A) high temperature...

... element analysis internal stresses optical microscopy plastic deformation sheet materials spot welding stress-strain relations tensile strength fatigue fracture modified tensile-shear (MTS) specimen spot weld FEM low carbon steel Despite the availability of other joining methods...

... of deformation. grain boundaries finite strain optical microscopy deformation grain boundaries grain growth internal stresses rolling sheet metal processing steel 25 02 2008 13 08 2008 17 12 2008 2009 American Society of Mechanical Engineers ...

... examined with optical microscopy and finite element simulations. Results show that under a flat-tipped indenter, the material can quickly reach a fully plastic state. The size (diameter) of the plastic zone is constant in large-strain regions and unaffected by the exact tip profile (flat, spherical...

... and barely discernable indentations are encountered. In this work, an optical microscopy system is described that is used to measure small indenter displacements accurately. Images of the indenter are taken throughout the test and processed using sophisticated edge detection algorithms to accurately...

... 534.36 Non critical grain 74.26 46.53 58.89 17 10 2005 28 02 2006 titanium alloys finite element analysis plasticity crystal microstructure creep elasticity creep testing optical microscopy genetic algorithms fatigue cracks stress effects plastic deformation...

... boundaries surface cracks optical microscopy The application of damage tolerance methods to high cycle fatigue (HCF) is hindered by the anomalous behavior of microstructurally “short” cracks that can control fatigue life. This anomalous behavior can be attributed to the fact that the length scale...

... martensitic steel creep fracture creep testing crystal microstructure life testing magnetic hysteresis stress effects scanning electron microscopy optical microscopy X-ray diffraction X-ray chemical analysis ferromagnetic materials A large percentage of power plants all over the world have...

... by the Materials Division August 20, 2002; revision received February 3, 2003. Associate Editor: W. Soboyejo. 20 August 2002 03 February 2003 22 01 2004 aluminium alloys magnesium alloys silicon alloys interface structure laser beam welding optical microscopy atomic force microscopy...

... . composite materials laminates shear strength scanning electron microscopy finite element analysis elastic moduli optical microscopy Glass reinforced composites are widely used in cryogenic applications. The two standard materials are G-10CR and G-11CR. The cryogenic (CR) grades of NEMA G-10...