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Keywords: superplasticity
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2011, 133(6): 061005.
Published Online: November 28, 2011
... operations, such as the superplastic forming (SPF) and quick plastic forming (QPF) techniques. Sheet samples were deformed at (400 °C and 1 × 10 −3 s −1 ) and (450 °C and 5 × 10 −3 s −1 ), by free pneumatic bulging into a set of progressive elliptical die inserts. The material in each of the formed domes...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2010, 132(5): 051016.
Published Online: October 5, 2010
..., such that the material exhibits a diffuse neck where the minimum deformation occurs near the ends of the specimen (near the clamps) and the maximum deformation occurs near the center of the specimen (where fracture ultimately occurs). This diffuse necking effect is similar to what can be experienced during superplastic...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. October 2010, 132(5): 051013.
Published Online: October 5, 2010
...Sean B. Leen; Aditya Deshpande; Thomas H. Hyde This paper describes high temperature cyclic and creep relaxation testing and modeling of a high nickel-chromium material (XN40F) for application to the life prediction of superplastic forming (SPF) tools. An experimental test program to characterize...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2010, 132(1): 011016.
Published Online: February 2, 2010
... 12 2009 02 02 2010 02 02 2010 finite element analysis forming processes sheet materials process simulation superplasticity superplastic forming finite element method simulation rupture A common failure mode in hot gas-pressure forming of sheet materials at fast...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Manuf. Sci. Eng. February 2000, 122(1): 117–123.
Published Online: September 1, 1999
...A. Huang; M. J. Cardew-Hall; A. Lowe This paper explores two optimization strategies; the gradient search and proportional control methods, for determining the initial sheet thickness of superplastic forming to ensure final desired part thickness. A hemispherical dome model was involved...