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Keywords: fatigue cracks
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2011, 133(4): 041017.
Published Online: October 27, 2011
...Leila Ladani; Steven Nelson Mechanical fatigue crack nucleation and propagation is modeled in bimodal grain size aluminum alloy. A multiscale modeling approach in conjunction with a continuum based damage modeling technique, successive initiation, is used to determine microstructural site of crack...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2011, 133(2): 021016.
Published Online: March 21, 2011
...Volkan Eskizeybek; Ahmet Avci; Ahmet Akdemir; Ömer Sinan Şahin Fatigue crack growth and related damage mechanisms were investigated experimentally in a stainless steel/aluminum laminated composite with middle through thickness crack, and two different fracture mechanics approaches applied...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. October 2010, 132(4): 041008.
Published Online: September 29, 2010
... in developing the joining process for potential use in automobile manufacturing. Load control cyclic tests were conducted on single weld lap-shear coupons to determine fatigue life properties. Optical fractography of the failed fatigue coupons revealed that fatigue cracks initiated from the interfacial “hook...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021010.
Published Online: February 19, 2010
.... These results differ completely from the effects of initial tensile overload on the response at a macroscopic notch root or at the tip of a long fatigue crack in which the driving forces for crack formation or growth, respectively, are reduced. The micromechanical simulation results support the incorporation...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031007.
Published Online: May 26, 2009
... Sleeve System and Countersink Cold Expansion ,” Fatigue Technology, Seattle, WA. Rich , D. L. , and Impellizzeri , L. F. , 1977 , “ Fatigue Analysis of Cold-Worked and Interference Fit Fastener Holes. Cyclic Stress-Strain and Plastic Deformation Aspects of Fatigue Crack Growth ,” American...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031008.
Published Online: May 26, 2009
...Dennis J. Buchanan; Reji John; Robert A. Brockman Shot peening is a commonly used surface treatment process that imparts compressive residual stresses into the surface of metal components. Compressive residual stresses retard initiation and growth of fatigue cracks. During the component loading...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021010.
Published Online: March 9, 2009
...,” Trans. ASME J. Appl. Mech., 63, pp. 720–725) ) but also by taking full advantage of the finite element method to perform some calibration analyses. The systematic use of our approach was seen to result in estimates falling within an error factor of about 3. fatigue cracks stress-strain relations...
Topics: Fatigue, Stress
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011012.
Published Online: December 22, 2008
...Rajesh Prasannavenkatesan; David L. McDowell; Gregory B. Olson; Herng-Jeng Jou Nucleation of fatigue cracks at nonmetallic primary inclusions in high cycle fatigue of martensitic steel is computationally investigated. We explore the capabilities of an elastic interphase material adhered...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011007.
Published Online: December 17, 2008
...Gang Deng; Yoshihiko Sakanashi; Tsutomu Nakanishi The development of fatigue in a machine element can be divided into the fatigue crack initiation stage and the crack growth stage. The effects of the surface conditions, such as roughness and surface qualities, on the fatigue strength are considered...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031014.
Published Online: June 11, 2008
... residual stresses on the entry surface rather than the middle and exit surfaces. Due to the nonuniform residual stress distribution, fatigue crack initiation often occurs on the entry surface. This study proposes a new approach to increase the compressive residual stress magnitude at the entry of the hole...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2008, 130(1): 011001.
Published Online: December 20, 2007
.... Solder connections used in electronic devices mostly have notches such as small radius, fillet, etc., as found in ball grid alley (BGA) and flip-chip joints. BGA and flip-chip joints usually have notches with small radius at the interface between the solder and copper pad and fatigue cracks initiated...
Journal Articles
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 356–365.
Published Online: February 28, 2006
... in dwell fatigue. crystal plasticity finite element analysis Ti-6242 creep dwell fatigue titanium alloys finite element analysis plasticity crystal microstructure creep elasticity creep testing optical microscopy genetic algorithms fatigue cracks stress effects plastic...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2007, 129(1): 19–28.
Published Online: December 6, 2005
... of piezomechanical actuation for adhesive joint characterization has been demonstrated in two previous investigations. In one investigation, a piezo–ceramic plate was bonded to an aluminum substrate using a polymer adhesive, and fatigue crack growth was induced in the adhesive joint using a pre-crack via...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 182–189.
Published Online: November 9, 2005
.... A general fatigue criterion is used to predict both fatigue crack nucleation and growth. Notched specimens made of 1070 steel were experimentally tested from crack initiation until fracture. The approach was applied to predict the fatigue life of 1070 steel and the predicted fatigue lives were in excellent...
Journal Articles
Publisher: ASME
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 244–250.
Published Online: April 6, 2005
... is clarified for placing dimples. Manuscript received April 23, 2004; revision received December 27, 2004. Review conducted by: A. Pelegri. 23 April 2004 27 December 2004 06 04 2005 aluminium alloys sheet materials crack-edge stress field analysis fatigue cracks fatigue...