... been enhanced, while reducing the required forming time. 27 12 2010 25 04 2011 18 07 2011 18 07 2011 aluminium alloys finite element analysis forming processes friction sheet materials superplasticity superplastic forming interfacial friction AA5083 thinning...

... 27 05 2011 18 07 2011 18 07 2011 aluminium alloys cracks ductility fracture mechanics friction welding particle reinforced composites plates (structures) shear strength sheet materials solid solutions spot welding friction stir welding metal matrix composite joint...

... and the location of damaged zone in a workpiece during a forming operation. drawing (mechanical) finite element analysis polymers sandwich structures sheet materials sheet metal processing Tensile test simulation of monolayer sheet incorporating final GTN damage model parameters was shown in Fig. 6...

... 06 2009 aluminium elasticity plasticity porosity sheet materials steel yield point perforated metals homogenization micromechanics porosity architectures Perforated metal sheets are found in a number of technologically important applications, including aircraft...

... Technology Corporation , Livermore, CA . 19 07 2007 17 11 2008 06 03 2009 aluminium alloys cracks deformation ductile fracture iron alloys magnesium alloys nucleation percolation porosity sheet materials silicon alloys tensile testing voids (solid) X-ray microscopy...

... ,” Acta Metall. Mater. 0956-7151 10.1016/0956-7151(93)90058-Z , 41 , pp. 3289 – 3306 . 19 02 2008 06 06 2008 22 12 2008 carbon steel copper extrusion grain refinement grain size mechanical testing plastic deformation shear strength sheet materials stress-strain...

... element analysis internal stresses optical microscopy plastic deformation sheet materials spot welding stress-strain relations tensile strength fatigue fracture modified tensile-shear (MTS) specimen spot weld FEM low carbon steel Despite the availability of other joining methods...

... formability and spring-back, as experimentally and numerically confirmed in the limit dome height and unconstrained bending tests. 01 03 2008 07 06 2008 09 09 2008 aluminium alloys friction plastic deformation sheet materials springs (mechanical) surface friction stir (SFS...

...Jidong Kang; David S. Wilkinson; P. D. Wu; Mike Bruhis; Mukesh Jain; J. David Embury; Raja K. Mishra The constitutive behavior of both direct-chill cast (DC) and continuous cast (CC) AA5754 sheet materials has been investigated up to large strains using a modified shear test. The modified shear...

... welding grain size metallurgical industries metallurgy neural nets sheet materials friction stir welding aluminum alloys continuous dynamic recrystallization neural networks FEM Friction stir welding (FSW) of butt joints is obtained by inserting a specially designed rotating pin...

... 2004 01 09 2006 aluminium alloys magnesium alloys plastic flow Portevin-Le Chatelier effect strain ageing sheet materials stress relaxation polishing tensile strength nucleation Plastic flow in metals and alloys at ambient condition is originated from generation and motion...

... of the aluminum TWBs. The theoretical predictions were satisfactorily validated with those obtained from the experiments. 02 12 2005 21 06 2006 aluminium sheet materials welds necking finite element analysis forming processes sheet metal processing tailor-welded blanks forming...

... (FLCs) derived by analytically converting the strain-based FLCs in Fig. 18 to stress space using the Barlat 1989 yield criterion 23 11 2005 19 03 2006 stress-strain relations sheet materials sheet metal processing One of the most important manufacturing processes...

... 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...

... and to accelerate the growth to the stop hole, and it increases the effective crack length by including the hole diameter 1 2 . Crack Arrest Crack Growth Dimple Fatigue Life Pinching Force Stop Hole Stress Intensity Factor aluminium alloys sheet materials crack-edge stress field analysis...

... sheet materials sheet metal processing hardening Bauschinger effect bending Once a deformed sheet-metal part is removed from the tooling, elastic recovery will occur, especially where bending, bending-unbending, and reverse bending are performed. This phenomenon is called springback. Because...

... for anisotropy and microstructural evolution. Manuscript received March 23, 2004; revision received July 15, 2004. Review conducted by: H. Garmestani. 23 March 2004 15 July 2004 22 02 2005 sheet materials sheet metal processing anisotropic media superplasticity net shape...

...) fracture and debonding can be seen. Magnification: 100 × Manuscript received December 20, 2003; revision received June 25, 2004. Review conducted by: M. P. Miller. 20 December 2003 25 June 2004 22 02 2005 aluminium alloys sheet materials sheet metal processing...