..., Dr. Koren made early contributions to the control of grinding processes [ 17 , 18 ] and Dr. Ulsoy to sheet metal forming processes [ 20 – 23 ] and to the analysis and control of chatter [ 24 , 25 ]. Both Drs. Koren and Ulsoy have been a continuous source of inspiration for their students...

... constant and variable speed, and introduced a continuous “two steps blanking.” In high temperature forming processes, formability is significantly affected by the forming speed, which also means strain rate. Since strain rate becomes very important under temperature, maximum control of forming speed...

... 31 08 2011 27 12 2011 27 12 2011 forming processes raw materials sheet materials sheet metal processing micromanufacturing microsheet-forming forming machine feeding feeder Developing the microsheet-forming machine system [( 1 2 3 4 )] requires a design...

.... Many times a secondary forming process, such as bending, is required when these materials are used. The intention of the work presented in this article has been to investigate how to automate the process of finding manufacturing limits of the rotary draw bending of aluminum profiles with focus...

...Gracious Ngaile; Chen Yang; Obadiah Kilonzo Tube hydroforming (THF) is a metal-forming process that uses a pressurized fluid in place of a hard tool to plastically deform a given tube into a desired shape. In addition to the internal pressure, the tube material is fed axially toward the die cavity...

... , MSEC2010-34043 ( 10 pp.). 01 04 2011 22 08 2011 22 12 2011 22 12 2011 forming processes plasticity titanium alloys Automotive and aerospace companies are an integral part of the metal forming industry in the United States, and they are constantly searching...

..., extensive elastic deformation could be seen away from this region. 28 10 2010 11 10 2011 21 12 2011 21 12 2011 atomic force microscopy beams (structures) bending strength cracks densification density elasticity elongation forming processes metal foams porous...

... Forming Processes With Mobile Tools ,” CIRP Ann. , 58 ( 1 ), pp. 287 – 290 . 10.1016/j.cirp.2009.03.065 5 Allwood , J. M. , Braun , D. , and Music , O. , 2010 , “ The Effect of Partially Cut-Out Blanks on Geometric Accuracy in Incremental Sheet Forming ,” J. Mater. Process...

...(00)00088-1 7 Dirikolu , M. H. , and Akdemir , E. , 2004 , “ Computer Aided Modelling of Flexible Forming Process ,” J. Mater. Process. Technol. , 148 ( 3 ), pp. 376 – 381 . 10.1016/j.jmatprotec.2004.02.049 8 Thiruvarudchelvan , S. , 2002 , “ The Potential Role...

... hydroforming of magnesium alloys with different outlet diameters and propose an adaptive control algorithm to determine appropriate loading paths for the forming process. The finite element analysis is used to simulate the flow pattern of the tube during tube hydroforming process. The analytical flow line...

...-based lubricants were applied to the sheet. In conclusion, evaluated synthetic/water-based lubricants had better lubricity than petroleum-based lubricants. 01 12 2009 14 03 2011 09 12 2011 09 12 2011 annealing deep drawing finite element analysis forming processes...

..., and the minimum thickness is 0.65 mm. 10 03 2011 16 09 2011 09 12 2011 09 12 2011 deep drawing deformation forming processes optimisation superalloys Due to the usage of liquid, sheet hydroforming or hydromechanical deep drawing, as a flexible forming, has found a wide...

... elastoplasticity forming processes pipes preforms tube hydroforming preform design tube bulging wrinkle onset wrinkle evolution FEA In the last decade, the tube hydroforming (THF) process has received increased attention in the automotive and aerospace industries owing to its numerous...

.... 28 10 2010 21 10 2011 01 12 2011 01 12 2011 forming processes porosity porous materials sheet materials sheet metal processing Every year, orthopedic surgeons perform between 500,000 and 1,000,000 total hip replacement (THR) surgeries worldwide [( 1 )]. The number...

... in Metal Forming Processes by Superimposing Ultrasonic Waves ,” CIRP Ann.-Manuf. Technol. , 50 ( 1 ), pp. 195 – 200 . 10.1016/S0007-8506(07)62103-9 34 Kumar , V. C. , and Hutchings , I. M. , 2004 , “ Reduction of the Sliding Friction of Metals by the Application of Longitudinal...

... aluminium alloys annealing deformation electron backscattering electron diffraction forming processes recrystallisation rolling sheet metal processing surface texture tensile strength tensile properties anisotropy forming limit diagrams prestrain annealing Aluminum alloys...

... forming process to sheets. For this purpose, a combined experimental-numerical study on damage assessment in sheet-bulk forming of DC04 is presented. Using scanning electron microscope (SEM) and glow discharge optical emission spectrometry (GDOS), a combined quantitative/qualitative metallurgical survey...

...Raed Z. Hasan; Brad L. Kinsey; Igor Tsukrov Strain-based forming limit diagrams (FLDs) are the traditional tool used to characterize the formability of materials for sheet metal forming processes. However, this failure criterion exhibits a significant strain path dependence. Alternatively, stress...

... the quantitative tool for the proper selection in the design of a successful forming process. In the discussion provided so far, the focus has been directed to the Mg AZ31B alloy at 400 °C and 1 × 10 −3 s −1 , merely to provide a comprehensive interpretation of the results obtained here. Other testing...

...S. Mahabunphachai; M. Koc; J. E. Carsley Material behavior of AA5754 was investigated under different forming process conditions, including two loading conditions (uniaxial tensile and biaxial bulge), several strain rates (constant strain rates at 0.0013 and 0.013/s, and variable strain rate...