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Keywords: fatigue cracks
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Journal Articles
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
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
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
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
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031007.
Published Online: May 26, 2009
.... Cyclic Stress-Strain and Plastic Deformation Aspects of Fatigue Crack Growth ,” American Society for Testing Materials Paper No. ASTM STP 637. Ball , D. L. , 1994 , “ Elastic-Plastic Stress Analysis of Cold Expanded Fastener Holes ,” Fatigue Fract. Eng. Mater. Struct. 8756-758X , 18 , pp...
Journal Articles
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
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021010.
Published Online: March 9, 2009
... 2009 fatigue cracks stress-strain relations multiaxial fatigue strain based approach critical plane notches Since the pioneering work done by Neuber ( 1 ) and Peterson ( 2 ), researchers engaged in studying the fatigue problem have made a big effort in order to devise reliable...
Topics: Fatigue, Stress
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021003.
Published Online: March 6, 2009
...Kedar Kirane; Somnath Ghosh; Mike Groeber; Amit Bhattacharjee A microstructure sensitive criterion for dwell fatigue crack initiation in polycrystalline alloy Ti-6242 is proposed in this paper. Local stress peaks due to load shedding from time dependent plastic deformation fields in neighboring...
Journal Articles
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
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
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
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021005.
Published Online: March 12, 2008
... in important materials/engineering problems. Specifically, compression induced strain localization in shot peened materials and tension induced strain localization in the plastic zones adjoining the faces of a fatigue crack are profiled. The utility of the EDXRD synchrotron technique for nondestructively cross...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021008.
Published Online: March 12, 2008
...Liu Liu; Naji S. Husseini; Christopher J. Torbet; Divine P. Kumah; Roy Clarke; Tresa M. Pollock; J. Wayne Jones A novel X-ray synchrotron radiation approach is described for real-time imaging of the initiation and growth of fatigue cracks during ultrasonic fatigue ( f = 20 kHz ) . We report here...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2008, 130(1): 011001.
Published Online: December 20, 2007
... , “ Electrical Potential Drop and Notch Opening Displacement Methods for Detecting High Temperature Low Cycle Fatigue Cracks of Circumferential Notched Specimens ,” ASME J. Eng. Mater. Technol. 0094-4289 , 110 ( 3 ), pp. 247 – 252 . Sakane , M. , Ohnami , M. , Awaya , T. , and Shirafuji...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. October 2007, 129(4): 594–602.
Published Online: October 27, 2006
...L. Liu; J. W. Holmes Details are provided for an experimental approach to study the tensile fatigue crack growth behavior of very thin metallic foils. The technique utilizes a center-notched specimen and a hemispherical bearing alignment system to minimize bending strains. To illustrate...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2006, 128(4): 595–602.
Published Online: May 19, 2006
...Spandan Maiti; Chandrashekar Shankar; Philippe H. Geubelle; John Kieffer A numerical model to study the fatigue crack retardation in a self-healing material ( White et al., 2001, Nature, 409, pp. 794–797 ) is presented. The approach relies on a combination of cohesive modeling for fatigue crack...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2006, 128(3): 356–365.
Published Online: February 28, 2006
... 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...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2007, 129(1): 19–28.
Published Online: December 6, 2005
... soldering bonding processes couplings shear deformation plastic deformation piezoelectric actuators piezoceramics plates (structures) eutectic alloys tin alloys lead alloys elasticity plasticity fatigue cracks reliability Solder joints play a very important role in surface mounted...
Journal Articles
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
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 244–250.
Published Online: April 6, 2005
... Fract. Eng. Mater. Struct. , 19 ( 1 ), pp. 39 – 49 . Sarchamy, D., Moss, S., Burns, M. G., Lawford, K., and Hunt, E., 1997, “Fatigue Crack Retardation in Aluminum Alloys by Means of Squeeze Dimpling,” Fatigue in New and Ageing Aircraft , Proc. of 19th Symposium of the International Committee...