Viscoelastic material testing system

Details Viscoelastic material testing system Viscoelastic material testing system

1994-05-16

1995-10-17

Williams, Hezron E.

Measuring and testing

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

By loading of specimen

73788, G01N 300

Patent

active

054580021

ABSTRACT:
A system for testing various properties of a viscoelastic material includes a balanced beam supporting an anvil upon which the material is placed, the balanced beam having a fixed state and a movable state, a load assembly for applying a static load to the material when the balanced beam is in a movable state and inducing an initial static strain on the material when the beam is in a fixed state, a hammer opposite the anvil for applying a dynamic strain to the material, a first sensor which senses the dynamic strain applied to the material by the hammer when the balanced beam is in the fixed state, a load cell which detects the force response of the material to the initial static strain and the dynamic strain when the balanced beam is in the fixed state, and a second sensor which senses permanent dimensional changes in the material when the balanced beam is in the movable state.

REFERENCES:
patent: 2886967 (1959-05-01), Conti
patent: 3379054 (1968-04-01), Folweiler
patent: 3699808 (1972-10-01), Ford et al.
patent: 3969930 (1976-07-01), Prevorsek et al.
patent: 4998825 (1991-03-01), Hublikar et al.

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