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Keywords: fatigue testing
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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): 010909.
Published Online: December 21, 2011
... exhibited tempered martensite, and nonmartensitic products, such as retained austenite and ferrite at the case and core, respectively. Fatigue testing results indicate that roll forged beams have demonstrated 37% higher fatigue lives (Weibull B50 life) compared to hot-die forged beams, despite similar quasi...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2012, 134(1): 011010.
Published Online: December 8, 2011
... ultimate strength and the modulus of elasticity of the tested laminate with or without embedded PFCS are within 7% of each other. The stress–life (S-N) curves obtained from fatigue tests indicates that the fatigue lives and strengths with and without the PFCS are close to each other as well. From short...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021016.
Published Online: March 21, 2011
... to the composite to reveal their differences under fatigue loading. The laminated composite material, which has a unidirectional continuous AISI 304 stainless steel as fibers and Al 1060 as matrix, was produced by using diffusion bonding. Fatigue tests were conducted in accordance with ASTM E 647...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2010, 132(4): 041008.
Published Online: September 29, 2010
... fatigue testing fractography friction friction welding kink bands magnesium alloys With the increased interest in achieving improved fuel economy in automobiles, the need for lightweight alloys is essential. While only marginally employed in current automobile designs, recent advances have...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011011.
Published Online: December 22, 2008
... predictions. 14 02 2008 11 10 2008 22 12 2008 carbon steel fatigue testing finite element analysis internal stresses optical microscopy plastic deformation sheet materials spot welding stress-strain relations tensile strength fatigue fracture modified tensile-shear (MTS...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011007.
Published Online: December 17, 2008
... to be restricted to the fatigue crack initiation stage. Thus, these effects can be evaluated exactly by the investigation on the fatigue crack initiation life. In this research a practical method is presented for detecting fatigue crack initiation during fatigue tests using an ion-sputtered film. Ion-sputtered...
Journal Articles
Article Type: Technical Briefs
J. Eng. Mater. Technol. April 2006, 128(2): 248–252.
Published Online: July 5, 2005
... of cavitation damage, cyclic loading will accelerate the rate of cavitation formation whereas in the case of fatigue damage the cavitation may enhance crack initiation or crack propagation, since cavitation reduces the number of cycles required. In a strain-controlled low-cycle fatigue test it is customary...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 186–191.
Published Online: April 6, 2005
... peening parameters and the resulting material modifications. Results showed the possibility of using the proposed mathematical model to predict an initial range for effective waterjet peening under the variation of waterjet peening conditions. The high cycle fatigue tests were performed to validate...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 244–250.
Published Online: April 6, 2005
... using center cracked tension (CCT) specimens with various sizes and placements of dimples. The results are compared to those of the stop-holed and original CCT specimens. Next, a fatigue test is conducted using the smooth specimens, with and without dimples, and fatigue degradation due to the induced...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2005, 127(1): 130–135.
Published Online: February 22, 2005
...M. Nasr; M. N. Abouelwafa; A. Gomaa; A. Hamdy; E. Morsi Thin-walled tubular specimens, made from woven-roving glass fiber-reinforced polyester (GFRP) with two fiber orientations, [ ± 45 ° ] 2 s and [ 0 , 90 ° ] 2 s , were tested under torsional fatigue tests at negative stress ratios R , R = − 1...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 16–22.
Published Online: February 22, 2005
... 14 September 2004 22 02 2005 nickel metallic thin films bending micromechanics micromechanical devices plasticity plastic deformation stress-strain relations fatigue testing fatigue fracture mechanics internal stresses In recent years, there has been considerable...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 23–32.
Published Online: February 22, 2005
... received September 14, 2004. Review conducted by: W. Soboyejo. 01 January 2003 14 September 2004 22 02 2005 nickel chromium alloys nickel alloys superalloys anisotropic media fatigue cracks crystal microstructure notch testing fatigue testing brittle fracture slip grain...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 40–45.
Published Online: February 22, 2005
... and propagated. Manuscript received January 1, 2003; revision received September 14, 2004. Review conducted by: H. Sehitoglu. 01 January 2003 14 September 2004 22 02 2005 aluminium metal foams fatigue fatigue testing stress-strain relations failure (mechanical) deformation...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 75–82.
Published Online: February 22, 2005
...-transfer theories are applied to quantify the relationship between the observed temperature variations and stress–strain states during fatigue. The thermoelastic effect has been utilized to calculate the maximum stress level during fatigue testing. The predicted results matched the experimental data quite...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 58–64.
Published Online: February 22, 2005
...Tommy J. George; M.-H. Herman Shen; Onome Scott-Emuakpor; Theodore Nicholas; Charles J. Cross; Jeffrey Calcaterra A new vibration-based fatigue testing methodology for assessing high-cycle turbine engine material fatigue strength at various stress ratios is presented. The idea is to accumulate...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 2–7.
Published Online: February 22, 2005
... force and conditions for cracking mode transition. Manuscript received January 1, 2003; revision received September 14, 2004. Review conducted by: W. Soboyejo. 01 January 2003 14 September 2004 22 02 2005 nickel fatigue cracks fracture mechanics fatigue testing bending...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2005, 127(1): 8–15.
Published Online: February 22, 2005
... different types of Nicalon™/CAS composites: crossply and unidirectional specimens. During fatigue testing, an IR camera was used for in-situ monitoring of temperature evolution of Nicalon™/CAS samples. Stress versus cycles to failure curves were generated for predicting the lifetime of Nicalon™/CAS...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2005, 127(3): 325–336.
Published Online: February 2, 2005
...M. M. Shenoy; A. P. Gordon; D. L. McDowell; R. W. Neu A continuum crystal plasticity model is used to simulate the material behavior of a directionally solidified Ni-base superalloy, DS GTD-111, in the longitudinal and transverse orientations. Isothermal uniaxial fatigue tests with hold times...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2004, 126(4): 384–391.
Published Online: November 9, 2004
... received April 20, 2004. Associate Editor: W. Soboyejo. 25 April 2003 20 April 2004 09 11 2004 nickel alloys titanium alloys shape memory effects stress-strain relations fatigue cracks elasticity bending fatigue testing surface roughness rough surfaces In a shape...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2002, 124(4): 421–427.
Published Online: September 30, 2002
... by the Materials Division February 28, 2000. Associate Editor: D. Marquis. 28 February 2000 30 09 2002 fatigue testing log normal distribution Weibull distribution Fatigue Life Scatter Fatigue Life Estimation Sample Size Variance Fatigue life data exhibits wide scattered...