Method of analytically determining optimum conditions for powder

Details Method of analytically determining optimum conditions for powder Method of analytically determining optimum conditions for powder

1995-04-13

1996-10-29

Chilcot, Richard

Measuring and testing

Sampler, sample handling, etc.

Flow divider, deflector, or interceptor

73866, G01N 100

Patent

active

055698603

ABSTRACT:
Optimum conditions for extrusion forging by using a powder material are determined by making a cylindrical billet out of the powder material, subjecting it to a deformation stress between plates to measure its strain as well as the time-rate of change in the strain, thereby determining parameters in the stress-strain formula, and carrying out a simulation analysis by an arbitrary Lagrangian-Eulerian method with an equation of motion obtained by the principle of virtual power. In considering the virtual power, bulk work is also taken into consideration. By such simulation analysis, data such as pressure distribution, speed distribution and density distribution are obtained. Optimum conditions are obtained by analyzing these data.

REFERENCES:
patent: 4567774 (1986-02-01), Manahan et al.
patent: 4617817 (1986-10-01), Gregel et al.
patent: 4762679 (1988-08-01), Gegel et al.
patent: 5402366 (1995-03-01), Kihara et al.

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