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Keywords: deformation
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Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. July 2021, 143(7): 071009.
Paper No: MANU-20-1531
Published Online: February 26, 2021
... geometrical deformations of the assembly. Finding the optimal sequence that results in the minimum geometrical deformation is a combinatorial problem that is experimentally and computationally expensive. Traditionally, spot welding sequence optimization strategies have been to simulate the geometrical...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. December 2012, 134(6): 061009.
Published Online: November 1, 2012
... , B. , Ziegert , J. , and Huang , Y. , 2007 , “ Deformation Machining—A New Hybrid Process ,” CIRP Ann. , 56 ( 1 ), pp. 281 – 284 . 10.1016/j.cirp.2007.05.065 [2] Agrawal , A. , Ziegert , J. , Smith , S. , Woody , B. , and Cao , J. , 2010 , “ Comparison of...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061019.
Published Online: December 15, 2011
...Rajiv Malhotra; Jian Cao; Feng Ren; Vijitha Kiridena; Z. Cedric Xia; N. V. Reddy Single point incremental forming (SPIF) is plagued by an unavoidable and unintended bending in the region of the sheet between the current tool position and the fixture. The effect is a deformation of the region of the...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061017.
Published Online: December 15, 2011
...Rui Zhou; Jian Cao; Kornel Ehmann; Chun Xu Surface textures have various applications, such as friction/wear reduction and light absorbing enhancement. Deformation-based surface texturing has the potential of economically creating micro-scale surface textures over a large surface area. A novel...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061013.
Published Online: December 9, 2011
...Xu Yong-chao; Han Cong; Yuan Shijian For deep cylindrical cups with a large height-diameter ratio, it is difficult to be hydroformed in one stroke. Reverse deep drawing is necessary after deep drawing. Deformation optimization was performed to achieve a large drawing ratio and uniform thickness. An...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061007.
Published Online: December 1, 2011
... correlation, which captured the onset of local necking, was employed in the FLD development. Texture in the as-received and deformed sheets was investigated with electron backscatter diffraction and provided a means for linking prestrain and static recovery or recrystallization with microstructure. This...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061003.
Published Online: November 28, 2011
... parts must be numerically predicted, in order to find the optimal combination of outer structure and metal foam properties. While FEM simulation at large deformations of bending, crushing, etc. of thin sheets and tubes is state of the art, the accurate FEM simulation of the mechanical behavior of metal...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2011, 133(5): 051007.
Published Online: October 12, 2011
... Elevated Temperatures ,” Metall. Mater. Trans. A , 32 , pp. 1119 – 1130 . 10.1007/s11661-001-0123-9 6 Li , D. , and Ghosh , A. K. , 2003 , “ Tensile Deformation Behavior of Aluminum Alloys at Warm Forming Temperatures ,” Mat. Sci. Eng. A 352 , pp. 279 – 286 . 10.1016/S0921-5093(02...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2011, 133(4): 041010.
Published Online: August 11, 2011
... morphology, cutting temperature, plastic strain distribution, and cutting forces agree well with the experimental data. The oblique cutting process simulation reveals that a bigger lead angle results in a severer chip deformation, the maximum temperature on the chip-tool interface reaches 1289 deg, close to...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2011, 133(4): 041006.
Published Online: July 20, 2011
... the midline in the deformation zone, sine velocity field, are developed for use in upper bound models. The relative average extrusion pressures for the two velocity fields are compared to each other and also with the velocity field of a reference for extrusion through a curved die. The results...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2011, 133(3): 031020.
Published Online: July 1, 2011
... instrumented and tested up to qualification test loads. No damage or permanent deformations were observed. Measured strain and displacement data were compared to model predictions; trends and amplitudes were generally in agreement. 29 11 2010 12 05...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2011, 133(3): 031009.
Published Online: June 9, 2011
... also the necessary structural strength. However, because of the large amount of deformation associated with the process and the limited formability of magnesium at room temperature, SPR often results in part cracking of the riveted magnesium alloys, which reduces the part quality. In this study, a...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2011, 133(1): 011009.
Published Online: February 1, 2011
...Gad N. Abenhaim; Antoine S. Tahan; Alain Desrochers; Roland Maranzana In a free state, flexible parts may have different shapes compared to their computer-aided design (CAD) model. Such parts may likewise undergo large deformations depending on their space orientation. These conditions severely...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2011, 133(1): 011003.
Published Online: January 24, 2011
... , D. L. G. , Leach , M. O. , and Hawkes , D. J. , 1999 , “ Nonrigid Registration Using Free-Form Deformations: Application to Breast MR Images ,” IEEE Trans. Med. Imaging 0278-0062 , 18 , pp. 712 – 721 . 10.1109/42.796284 Sarraga , R. , 2004 , “ Modifying CAD/CAM...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2010, 132(6): 061005.
Published Online: October 19, 2010
.... In this article, experiments were carried out on aluminum foils to study the forming limits and fracture of thin films in LDF. The deformation depth was measured by an optical profilometer and the formed feature was observed using a focused ion beam and a scanning electron microscope. Meanwhile, a...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. October 2010, 132(5): 054502.
Published Online: September 10, 2010
...-depth scientific calculation and analysis. Product defect prediction and quality assurance is, thus, a nontrivial issue in this product development paradigm. With the aid of finite element (FE) simulation, deformation-related defects can be predicted and analyzed. In this paper, flow-induced folding...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. April 2010, 132(2): 021004.
Published Online: March 30, 2010
...Michael S. Siopis; Brad L. Kinsey Alternative manufacturing processes such as hot working and electrical-assisted forming (EAF), which involves passing a high density electrical current through the workpiece during deformation, have been shown to increase the potential strain induced in materials...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. October 2009, 131(5): 054503.
Published Online: October 1, 2009
...Xiangqun Zhu; Ming Zhou; Qixun Dai; Gary J. Cheng In order to study the deformation mechanisms during ultrahigh strain rate deformation of face centered cubic metals, laser shock peening of a 304L stainless steel is systematically investigated. Two deformation modes—microtwins and microbands—and...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2009, 131(5): 051011.
Published Online: September 23, 2009
... microsized mold. The strain rate in μ LDF reaches 10 6 – 10 7 S − 1 . Under these ultrahigh strain rates in microscale, deformation behaviors of materials are very complicated and almost impossible to be measured in situ experimentally. In this paper, a finite element method model is built to simulate the μ...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2009, 131(3): 031003.
Published Online: April 21, 2009
...Thomas J. Kronenberger; David H. Johnson; John T. Roth Recent research studying the deformation of various metals in compression, while running an electric current through the material, has been quite promising. A problem occurs when trying to identify the specific mechanisms that cause the changes...