Apparatus and method for measuring viscoelastic properties...

Details Apparatus and method for measuring viscoelastic properties... Apparatus and method for measuring viscoelastic properties...

G - Physics

01

N

73/81

G01N 3/02 (2006.01) G01N 11/10 (2006.01)

Patent

CA 1259817

Abstract of the Disclosure Apparatus and method for measuring the viscous component and the elastic component of forces within a viscoelastic test specimen placed in shear, the test specimen being coupled to a platen having a rest position, the platen being displaceable from the rest postion rotationally and axially relative to a fixed axis in response to rotational and axial forces exerted by the test specimen upon the platen as a result of the viscous component and the elastic component, the apparatus and method including an arrangement of component parts and a plurality of steps for establishing a rotational counterforce for balancing the rotational force on the platen and simultaneously establishing an axial counterforce for balancing the axial force on the platen to maintain the platen at the rest postion, and indicating the magnitude of the counterforces necessary to maintain the platen at the rest position, whereby the viscous component and the elastic component of forces are measured at zero compliance.

503279

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