1. M.L. Roades, L.J. Roades, Method and apparatus for die forming sheet materials, US Patent 5085068 (1992).
2. Application of viscous pressure forming (VPF) to low volume stamping of difficult-to-forming alloys—results of preliminary FEM simulations;Liu;J. Mater. Process. Technol.,1996
3. J. Liu, A. Tuz, M.A. Ahmetoglu, T. Altan, Viscous pressure forming (VPF) technology of plasticity, in: Proceedings of the Fifth International Conference on Technology of Plasticity, Columbus, OH, USA, 1996, pp. 671–674.
4. W. Xinyun, Numerical simulation and experimental research on viscous pressure forming process of thin-walled sheet metal parts, PhD Dissertation, Harbin Institute of Technology, 2002.
5. Analysis of strain rate variations during viscous pressure bulging of sheet metal;Zhongjin;J. Plast. Eng.,1999