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Keywords: yield strength
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2012, 134(3): 031013.
Published Online: May 16, 2012
... lower yield strength, smaller strain hardening ratio, or higher charging rate would cause greater swelling anisotropy. The numerical results are compared with the experimental observation of an SnO 2 nanowire (Huang et al., 2011, “In Situ Observation of the Electrochemical Lithiation of a Single SnO 2...
Journal Articles
Publisher: ASME
Article Type: Bridging Microstructure, Properties, And Processing Of Polymer-Based Advanced Materials
J. Eng. Mater. Technol. January 2012, 134(1): 010909.
Published Online: December 21, 2011
... of subject component indicate that the stress levels due to fatigue loads are well below the static yield strength and endurance limit of AISI 4140 steel; however, the notches present in the form of flash or partition lines of the forged beams have initiated the fatigue failures of the beams. 21 02...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011007.
Published Online: December 8, 2011
...Jianfeng Jin; Hanchen Huang This paper reports an anomaly in the yield strength of dislocation interacting with stacking fault tetrahedra (SFT) in Cu, reveals atomic mechanisms that are responsible for the anomaly, and further shows the thermodynamic driving force for the atomic mechanisms...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011003.
Published Online: December 6, 2011
... 06 12 2011 06 12 2011 crystal structure ductility elasticity texture yield strength Three fundamental and interrelated design parameters affect yielding in materials; they are (1) part geometry, (2) material microstructure, and (3) boundary conditions. In typical design...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011002.
Published Online: December 6, 2011
... elastic limit elasticity finite element analysis honeycomb structures polymers shear modulus shear strength yield strength flexible design honeycomb auxetic cellular solids effective properties Two dimensional prismatic cellular materials of periodic meso-structures are called...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021026.
Published Online: March 24, 2011
...) apparatus in the strain rate range of 54–164/s. Uncertainty analysis for the experimental results is presented. Johnson–Cook material constitutive model was applied to predict the tensile yield strength of the tested materials at different strain rates. It is observed that the tensile yield strength...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2010, 132(4): 041002.
Published Online: September 8, 2010
.... Characterization studies conducted on the extruded samples revealed that the increasing presence of SiC particles at nanolength scale did not affect the 0.2% yield strength but increased ultimate tensile strength and work of fracture. Most interestingly, the presence of SiC nanoparticles increased the uniform...
Journal Articles
Publisher: ASME
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
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021006.
Published Online: February 17, 2010
... was compared with that from baseline (undeformed) Mg AZ31B in a fully recrystallized condition (O-temper). Due to its importance in finite element simulations, particular emphasis was placed on the variation of postformed yield strength with specimen thickness and average grain size. Finally, we compute local...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011003.
Published Online: November 2, 2009
...D. Vangi; S. Tellini When measuring residual stresses using the hole-drilling strain-gauge method, plasticity effects arise if the residual stress level exceeds about 60% of the material yield strength. In this case the classical methods, which are based on the linear elastic material behavior, do...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031008.
Published Online: May 26, 2009
... history, the shot-peened residual stresses may change due to thermal exposure, creep, and cyclic loading. This paper describes a methodical approach for characterizing and modeling residual stress relaxation under elevated temperature loading, near and above the monotonic yield strength of nickel-base...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041001.
Published Online: August 26, 2008
..., and conical). The indentation stress-displacement curve at large strains is linear as a result of the steady-state plastic flow, from which the mean indentation pressure, a measure of yield strength, can be readily extrapolated. The indentation stress-displacement response is independent of the indenter...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031014.
Published Online: June 11, 2008
... 11 06 2008 aerospace materials aluminium alloys fatigue cracks finite element analysis fracture mechanics internal stresses X-ray diffraction yield strength Young's modulus cold expansion method hole chamfer fatigue life X-ray diffraction residual stress finite element...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 609–613.
Published Online: July 2, 2007
...%, 42%, and 35% of yield strength in samples for peened at nozzle traveling velocities of 0.05 mm ∕ s , 0.10 mm ∕ s , and 0.15 mm ∕ s , respectively. The surface compressive residual stress developed by polishing before peening was ∼ 20 MPa . Figure 5 shows the residual stress obtained...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2007, 129(2): 342–347.
Published Online: January 18, 2007
..., the material’s yield strength, flow stress, and elastic modulus are decreased; strain weakening occurs; and the total energy of deformation is decreased. These changes in the engineering stress-strain behavior occurred in all of the materials tested and are much greater than can be accounted for by resistive...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 462–467.
Published Online: January 11, 2007
... increases in hardness, 0.2% yield strength and ultimate tensile strength, but a significant increase in ductility and work of fracture of magnesium. The fracture mode was changed from brittle for pure Mg to mix ductile and intergranular in the case of nanocomposites. Microstructural characterization...