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Crystal Plasticity Finite Element Process Modeling for Hydro-forming Micro-tubular Components
micro-mechanics modeling micro-forming hydro-forming
2011/8/3
Micro-tubes manufactured by hydro-forming techniques have now been widely used in medical and microelectronics applications. One of the difficulties in forming such parts is the control of localized n...
A General Model of Fuzzy Plasticity
plasticity theory fuzzy model membership function plastic modulus
2011/8/3
The transition between the elastic and plastic states is sharp in the classical plasticity theory. To overcome this problem, many constitutive models, such as multi-yield-surface model and two-surface...
Technological plasticity and structure in stainless steels during hot-working
Metallic alloys Hot deformation Microstructure
2009/12/14
Purpose: The high-temperature plastic deformation is coupled with dynamic processes of recovery influencing the structure and properties of alloys. One of crucial issues is finding the interdependence...
Modeling of Large Simple Shear Using a Viscoplastic Overstress Model and Classical Plasticity Model with Different Objective Stress Rates
Objective stress rates Classical plasticity models Viscoplasticity Simple shear
2009/10/12
Large simple shear deformation, which is usually used to test the applicability of various models, is studied by applying the classical plasticity model and the viscoplasticity theory based on overstr...