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Keywords: forming processes
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Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2011, 133(3): 031008.
Published Online: July 18, 2011
... coefficients. It is found that friction distribution at the die-sheet interface strongly affects the metal flow during the forming process, which has a direct impact on deformation stability and strain localization. With the proposed optimal variable friction distribution, the quality of the formed parts has...
Topics: Friction
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2010, 132(4): 041003.
Published Online: September 8, 2010
... condition to observe consistency in results and the average values were reported. 08 01 2010 21 05 2010 08 09 2010 08 09 2010 deep drawing deformation forming processes fractography fracture steel tensile strength welding tailor welded blank advanced high...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2010, 132(3): 031012.
Published Online: June 24, 2010
... as the axial feeding moves forward. The numerical and experimental flow line configurations as the forming process is completed are shown in Fig. 14c . Generally speaking, the numerical flow line configuration is quite similar to the actual one. It is known that a larger thickness at the front end of the oil...
Journal Articles
Article Type: Predictive Science And Technology In Mechanics And Materials
J. Eng. Mater. Technol. October 2009, 131(4): 041205.
Published Online: August 27, 2009
... crystal microstructure deformation finite element analysis forming processes martensitic steel plasticity steel thermomechanical treatment AHSS microstructure material property formability shear fracture Advanced high strength steels (AHSS) offer the cost-effective potential...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2009, 131(1): 011001.
Published Online: December 15, 2008
...S. Diot; D. Guines; A. Gavrus; E. Ragneau In order to characterize the metal behavior at strain, strain rate, and temperature range encountered in metal forming processes, the rheological compressive test is well adapted and has been often used. Nevertheless, this experimental test is more...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041009.
Published Online: September 17, 2008
... path is proposed. The results also suggest that kinematic hardening and transient hardening effects may explain the path dependence observed in some of the prestrain paths. 10 08 2007 22 02 2008 17 09 2008 alloy steel aluminium forming processes hardening stress-strain...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031009.
Published Online: June 10, 2008
.... 16 03 2007 20 08 2007 10 06 2008 drawing (mechanical) ductility finite element analysis forming processes internal stresses plasticity steel stress-strain relations thermomechanical treatment TRIP steel martensitic phase transformation sheet metal forming finite...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021020.
Published Online: March 27, 2008
...Joel V. Bernier; Nathan R. Barton; Jaroslaw Knap In this study, a multiscale material model is employed to simulate two metal forming processes: 2D plane strain compression and a 3D biaxial bulge test. A generalized Taylor-type polycrystal model is employed to describe the fine scale viscoplastic...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2007, 129(3): 446–452.
Published Online: January 4, 2007
... of formability of the DP steel, associated with a reduction in the microhardness difference between base metal and HAZ soft zones. 19 06 2006 04 01 2007 alloy steel automotive materials laser beam welding forming processes microhardness advanced high strength steel laser welding...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2007, 129(1): 36–47.
Published Online: August 9, 2006
... addresses potential causes for these discrepancies. Potential improvements to the framework of the XSFLC are also discussed. 17 09 2005 09 08 2006 necking forming processes finite element analysis aluminium alloys steel The strain-based forming limit curve ( ϵ FLC...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2007, 129(2): 233–241.
Published Online: July 31, 2006
... in aluminum alloys are discussed. 10 03 2005 31 07 2006 pipes forming processes aluminium alloys extrusion tempering ductility mechanical strength hardness hardening automobile industry automotive components Recent success of aluminum tube-hydroformed components...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2007, 129(1): 151–158.
Published Online: June 21, 2006
.... With the aid of the acquired data, finite element simulations for analyzing the forming process of TWBs were carried out using a general purpose finite element package, LS-DYNA. A localized necking criterion based on the vertex theory was employed to predict forming limit strains and failure locations...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 179–185.
Published Online: April 6, 2005
... October 2004 06 04 2005 steel sheet materials tensile testing microhardness tensile strength failure (mechanical) internal stresses metallography forming processes grain size laser beam welding butt welding Tailor-Welded Blanks Thickness Ratio Formability SPCC...
Journal Articles
Article Type: Article
J. Eng. Mater. Technol. April 2005, 127(2): 251–256.
Published Online: April 6, 2005
... forming processes surface cracks deformation Poisson ratio internal stresses sintering powder metallurgy preforms composite materials cold working compaction 15 December 2003 27 December 2004 06 04 2005 Manuscript received December 15, 2003; revision received December 27...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2005, 127(1): 145–153.
Published Online: February 22, 2005
... on the nature of the tool–sheet interaction, and its effect on the damage evolution in the part. The results of metallographic analysis are presented and compared with the numerical results. The EM forming process consists of generating a pulsed magnetic field by discharging a capacitor bank through...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2004, 126(4): 398–405.
Published Online: November 9, 2004
... of the cold forming process. The predictions of the model were compared with experimental data, and the accuracy of these predictions was quite satisfactory. This paper is based on the work supported by KANCA, a cold forging company, and the Scientific Research Projects of Bogazici University...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. July 2004, 126(3): 285–291.
Published Online: June 29, 2004
... flexibility in modeling FLD behavior beyond that afforded by classical polycrystal plasticity. aluminium forming processes internal stresses surface texture surface hardening compressibility softening plasticity stress-strain relations finite element analysis Crystal Plasticity Forming...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. April 2004, 126(2): 157–163.
Published Online: March 18, 2004
... of the Riso International Symposium on Metallurgy and Materials Science , Riso Natl Lab., pp. 557–564. aluminium alloys magnesium alloys stress relaxation work hardening forming processes bending yield stress plastic deformation buckling Residual stresses are routinely developed...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2004, 126(1): 123–128.
Published Online: January 22, 2004
... cavitation tool steel aluminium jets internal stresses forming processes wear fatigue bubbles surface hardening Recently, the use of a high-speed submerged water jet with cavitation, i.e., a cavitating jet, to modify the surface of a material has been demonstrated 1 2 3...
Journal Articles
Article Type: Technical Papers
J. Eng. Mater. Technol. January 2004, 126(1): 53–61.
Published Online: January 22, 2004
... developments and also developments in microstructure, but a comprehensive understanding remains incomplete 14 17 . carbon steel forming processes softening texture work hardening plastic deformation X-ray diffraction rolling simulation dislocation structure 12 August 2002 27...