... 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...

... propagation by ( a ) particle fracture and ( b ) void nucleation 31 03 2010 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...

... and the location of damaged zone in a workpiece during a forming operation. Material properties of the sheet materials used in modeling Material type Density ( g   cm − 3 ) E (GPa) Y Thickness(mm) Aluminum 3105 2.7 70 0.33 0.5 Polypropylene 1.0 1.5...

... sheets based on macroscopic considerations. Elastic and plastic parameters of the aluminum alloy and structural steel sheets Material E (GPa) ν σ y (MPa) H p (GPa) Aluminum alloy 72.4 0.33 286.67 10.0 × 10 − 3 Structural steel...

... to damage modeling in one plane and does not account for the three-dimensional nature of real material microstructures. The proposed model is used for studying the damage processes in an anisotropic rolled sheet material and may be potentially incorporated into a commercial finite element method (FEM...

... deformation stage IV grain refinement carbon steel copper extrusion grain refinement grain size mechanical testing plastic deformation shear strength sheet materials stress-strain relations transmission electron microscopy work hardening 19 02 2008 06 06 2008 22 12 2008...

... 2008 22 12 2008 carbon steel fatigue testing finite 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...

... 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...

... 24 01 2008 22 05 2008 aluminium alloys finite element analysis friction welding grain size metallurgical industries metallurgy neural nets sheet materials friction stir welding aluminum alloys continuous dynamic recrystallization neural networks FEM Friction...

...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...

... flow has rarely been characterized in details even at the macroscopic level. aluminium alloys magnesium alloys plastic flow Portevin-Le Chatelier effect strain ageing sheet materials stress relaxation polishing tensile strength nucleation 24 05 2004 01 09 2006...

... 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...

... relations sheet materials sheet metal processing One of the most important manufacturing processes in the automotive, aerospace, and appliance industries is the sheet metal forming process. In order to characterize tearing failure, a major concern in sheet metal parts, strain-based forming limit...

... October 15, 2004. Review conducted by: M. F. Horstemeyer. 15 January 2004 15 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...

... 2005 aluminium alloys sheet materials crack-edge stress field analysis fatigue cracks fatigue testing crack detection internal stresses numerical analysis Crack Arrest Crack Growth Dimple Fatigue Life Pinching Force Stop Hole Stress Intensity Factor A crack initiated...

... for aluminum is more complicated than for steel ( 1 ). The reason is that these sheet-material elements may experience many reverse yields, and the Bauschinger effect is more pronounced for aluminum. The sheet-metal elements may be outside of the draw beads before drawing, and the elements can experience...

... 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...

... led to renewed interest in high velocity forming processes, among them electromagnetic (EM) forming. aluminium alloys sheet materials sheet metal processing forming processes dies (machine tools) fracture mechanics failure (mechanical) internal stresses metallography numerical...