We are carrying out the studies on P/M forming process for manufacturing P/M products by using metal and ceramic powders. At first, constitutive modes which can predict densification behavior well are proposed.


Then, the constitutive equations are implemented into a finite element program(ABAQUS)to simulate plastic or creep response of metals and ceramics under general loading conditions.


Finally, finite element calculations are compared with experimental data. As described, optimal forming process is developed by using the proposed constitutive models and FEM results on final P/M parts.


Also, we are concerning about predicting creep responses of powder compacts  under high temperature and controlling final shape(near-net-shape) when a component has a complicated shape.


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