Measuring and testing – Gas content of a liquid or a solid – By vibration
Patent
1979-02-27
1981-05-12
Goldstein, Herbert
Measuring and testing
Gas content of a liquid or a solid
By vibration
73826, G01N 308
Patent
active
042664241
ABSTRACT:
Apparatus for determining the stress-strain characteristics of materials in the viscoelastic state, especially polymer melts, in which a bar-shaped test specimen arranged vertically in a thermostable bath is stretched by means of a tape attached to a motor-driven reel and the tensile forces are continuously measured by a load cell arranged below the specimen and within the bath.
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Cogswell, "The Rheology of Polymer Melts Under Tension" in Plastics & Polymers (G.B.) 4/68, pp. 109-111.
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Shaw, "Extensional Viscosity of Melts Using a Programmable Tensile Testing Machine" in Proc. 7th Int. Congr. Rheol. 304 (1976).
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BASF - Aktiengesellschaft
Goldstein Herbert
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