Apparatus for determining the behavior of powdered material unde

Details Apparatus for determining the behavior of powdered material unde Apparatus for determining the behavior of powdered material unde

1985-04-25

1986-08-26

Ciarlante, Anthony V.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73823, 73825, G01N 310

Patent

active

046075321

ABSTRACT:
There is described an apparatus for determining the behaviour of powder of granular material under stress, comprising, at least one flexible boundary arranged to abut one face of a sample of the powder or granular material, means to apply stress to the sample through the flexible boundary, a detector to detect the position of the flexible boundary as the sample is stressed, and a control to adjust the position of the flexible boundary. The detector may comprise an electrical circuit, advantageously a make and break circuit. There is also described an apparatus for determining the behavior of powder or granular material under stress, comprising at least one flexible boundary arranged to abut one face of a sample of the powder or granular material, means to apply stress to the sample through the flexible boundary, and adjusting members attached to the flexible boundary to cause it to strain as the sample strains under the applied stress. Preferably, movement of the adjusting members of the flexible boundary automatically adjusts an adjacent flexible boundary.

REFERENCES:
patent: 3423995 (1969-01-01), Scott et al.
patent: 3728895 (1973-04-01), Shaw

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