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Keywords: scanning electron microscopy
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Journal Articles
Article Type: Bridging Microstructure, Properties, And Processing Of Polymer-Based Advanced Materials
J. Eng. Mater. Technol. January 2012, 134(1): 010908.
Published Online: December 19, 2011
... neutron absorption. In this research, 6 Li loaded polymer composite was successfully spun onto a stationary stainless steel target creating a thermal neutron scintillator made of randomly oriented fibers. Fiber mats thus obtained were characterized using scanning electron microscopy (SEM) and energy...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011004.
Published Online: December 6, 2011
... ductility fracture scanning electron microscopy shear strength statistical analysis tensile strength ultrasonic welding Ultrasonic additive manufacturing (UAM) is an emerging solid-state joining process that uses layered manufacturing techniques in combination with principles of ultrasonic...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041006.
Published Online: October 14, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041009.
Published Online: October 14, 2011
... mixing method. DMA tests resulted in an increase in storage modulus in the nanophased specimens as CNT loading increased. This is mainly attributed to enhanced CNT dispersion and distribution causing reduced polymer chain movement and increased stiffness. Scanning electron microscopy (SEM) revealed...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041004.
Published Online: October 13, 2011
... by 10.24%, 7.08%, 5.28%, and 7.13% for neat, 1 wt. %, 2 wt. %, and 3 wt. % nanoclay-infused samples, respectively, after the samples were exposed to seawater for 180-day. At the same time flexural modulus was reduced by 12.61%, 7.16%, 4.59%, and 6.11%, respectively. From scanning electron microscopy (SEM...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041003.
Published Online: October 13, 2011
... of these composites were evaluated in this study. Morphology of modified surfaces of jute fabrics examined using scanning electron microscopy and Fourier transform infrared spectroscopy revealed improved surfaces for better adhesion with matrix. Nanoclay infused samples demonstrated lower moisture and water...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2011, 133(3): 031006.
Published Online: July 18, 2011
... sensitivity, and a single-edge notched beam (SENB) test was performed to evaluate the stress intensity factor K IC . The fracture surfaces were investigated using scanning electron microscopy. Under high impact rate, toughness was in the order of CB10TSS, Albipox, and Timberset. CB10TSS and Albipox were found...
Journal Articles
Article Type: Multi-Physics Approaches For The Behavior Of Polymer-Based Materials
J. Eng. Mater. Technol. July 2011, 133(3): 030904.
Published Online: July 1, 2011
... deformation scanning electron microscopy tensile strength viscoelasticity viscoplasticity voids (solid) crazing debonding mechanical behavior polyethylene polymer composite In neat and filled semicrystalline polymers subjected to a mechanical sollicitation, cavitation mechanisms...
Journal Articles
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2011, 133(2): 024501.
Published Online: March 23, 2011
... 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...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021018.
Published Online: March 22, 2011
.... Fatigue life was normally increased of four to five times, although improvements up to an order of magnitude were detected. Hardness measurements, profilometry, scanning electron microscopy, and X-ray diffractometry allowed interpreting the improvement of the fatigue behavior of the peened substrates...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021011.
Published Online: March 7, 2011
...-refined heat-affected zone by characteristic type IV failure. For investigations of the failure modes, cross sections of fractured samples were investigated by optical light microscopy, scanning electron microscopy, and electron backscatter diffraction. The mechanism of weld metal creep failures and type...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021004.
Published Online: March 3, 2011
... the optimum levels of the parameters. The surface and subsurface damage have also been assessed and characterized using scanning electron microscopy. This study reveals that EDMed material unevenness increases with discharge current and pulse-on time. 13 10 2009 25 08 2010 03 03 2011 03 03...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031016.
Published Online: June 24, 2010
... transition humidity moisture nanoparticles resins scanning electron microscopy composite environmental mechanical behavior nanotechnology Moisture is commonly encountered in the service environment and must be considered a critical factor in determining the long term reliability...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031005.
Published Online: June 16, 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 (G) fatigue (G) testing (G) The last generation Ni-based superalloys are widely...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021007.
Published Online: March 9, 2009
... walled microballoons (K46) show comparatively higher values of strength, modulus, and strain energy compared with thin walled (S22) microballoons. Scanning electron microscopy shows that crack propagation behavior is distinct at different strain rates. 12 06 2008 29 12 2008 09 03 2009...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031005.
Published Online: June 10, 2008
... 10 06 2008 clay composite materials curing elasticity glass transition polymers scanning electron microscopy shear deformation spectrochemical analysis tensile strength tensile testing Polymeric composites containing nanoscale constituents, such as nanotubes or nanoclays...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021013.
Published Online: March 13, 2008
... 25 01 2008 13 03 2008 aluminium crack-edge stress field analysis crystal orientation electron backscattering electron diffraction finite element analysis fracture hardening kink bands plasticity scanning electron microscopy slip crack tip fields single crystal crack...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 523–529.
Published Online: December 13, 2006
... and tribological properties of the low-carbon Stellite ® alloy and the heat treatment also influenced these properties. 22 08 2006 13 12 2006 molybdenum alloys cobalt alloys corrosion resistance wear resistance chemical analysis heat treatment crystal microstructure scanning electron...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 321–331.
Published Online: September 11, 2006
... at higher uncut chip thicknesses. This work highlights the importance of the energy associated with material separation in the nonlinear scaling effect of specific cutting energy in micro-cutting. 18 02 2006 11 09 2006 copper cutting tools ductile fracture scanning electron microscopy...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2006, 128(4): 527–536.
Published Online: June 30, 2006
.... The accuracy within the considered stress range is good, but the thermodynamic consistency of this procedure has to be proven. 12 01 2006 30 06 2006 fibre reinforced plastics viscoelasticity viscoplasticity creep fracture fracture toughness scanning electron microscopy recovery-creep...