...A. Piccininni; A. Lo Franco; G. Palumbo A warm forming process is designed for AA5754 to overcome low room temperature formability. The solution includes increased working temperature and is demonstrated with a railway vehicle component. A finite element (FE)-based methodology was adopted to design...

... is further developed for elevated temperature conditions by introducing an improved Zener–Hollomon parameter ( Z ′ ), which is proposed to provide enhanced representation of the strain rate and temperature effect on limit strain. In warm forming condition, the improved DFC is used to predict the FLCs...

...Kamyar Ghavam; Reza Bagheriasl; Michael J. Worswick 10 09 2012 22 07 2013 warm forming nonisothermal deep drawing aluminum alloy sheet thermal softening strain rate sensitivity anisotropy Bergstrom hardening model YLD2000 The application of lightweight materials...

... manufacturers) alloy sheets are compared. Experimental setup was modeled using deform 2d, and measured temperature curves were compared with the finite element analysis (FEA) predictions and a window of heat transfer coefficients were determined for warm forming of sheets. Determined heat transfer coefficients...

... as explained in Sec. 2C . 26 08 2010 11 01 2011 14 03 2011 14 03 2011 aluminium alloys automotive components dies (machine tools) forming processes hot working sheet metal processing structural panels light metals aluminum warm forming hydroforming...

... electronics industry lightweight structures magnesium alloys plastic deformation presses pressing sheet materials sheet metal processing weight control aluminum magnesium non-isothermal deep drawing warm forming process optimization servo press One of the major goals of engineering...

...Hong Seok Kim; Muammer Koc; Jun Ni In warm forming of aluminum sheet materials, determination, realization, and maintenance of optimal temperature gradient is a key process parameter for increased formability. In this study, a two-phase procedure for efficient and accurate determination of proper...

... of three different failure criteria (maximum load, minimum thickness, and thickness ratio) were investigated. The thickness ratio criterion was selected since it resulted in accurate prediction of necking-type failure when compared with experimental measurements obtained under a variety of warm forming...