The Use of a Modified Cone and Plate Geometry (MCP) in a Rotational Rheometer for the Measurement of Material Functions

LIDIA MARÍA QUINZANI; ENRIQUE M. VALLÉS

JOURNAL OF RHEOLOGY

JOURNAL RHEOLOGY AMER INST PHYSICS

Lugar: Nueva York; Año: 1986 vol. 30 p. 1 - 21

0148-6055

A modified cone and plate is presentedas an alternative geometry for the measurement of material functions in arotational rheometer. It gives a significant improvement in the quality of thesignal for the normal force and makes it possible to reach higher shear ratesprior to the point at which the sample fails. A theoretical and experimentalstudy of this new geometry which can be used for normal force and torque measurementshas been developed to obtain the first normal stress coefficient and viscosityinformation.