GB1226901A - - Google Patents

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Publication number
GB1226901A
GB1226901A GB1226901DA GB1226901A GB 1226901 A GB1226901 A GB 1226901A GB 1226901D A GB1226901D A GB 1226901DA GB 1226901 A GB1226901 A GB 1226901A
Authority
GB
United Kingdom
Prior art keywords
load
measured
distortion
discs
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1226901A publication Critical patent/GB1226901A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/16—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
    • G01N11/162—Oscillations being torsional, e.g. produced by rotating bodies
    • G01N11/167—Sample holder oscillates, e.g. rotating crucible

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

1,226,901. Measuring physical properties electrically. SEMPERIT OSTERREICHISCHAMERIKANISCHE GUMMIWERK A.G. April 2, 1969 [April 5, 1968], No.17146/69. Heading G1N. A device for measuring the visco-elastic properties of elastomers, comprises a movable electromagnetic coil, 1, supporting along its longitudinal axis a rigid rod 2 carrying discs, 3, locating rubber test specimens, 4, 50 that in use longitudinally-directed vibrations are impressed on the specimens by axial oscillations of the coil which is driven by an audio-generator 5 through a power amplifier, 6. The amplitude of the oscillations is measured by a differential transformer, 10, and the current through the coil which is proportional to the axial distorting force is measured and maintained constant while the frequency of the generator is calibrated using a timer 9. To each specimen is applied a pre-load by means of discs 16, threaded spindles 17 and hand wheels 18, which load is measured using a Piezo-electric load cell 13, amplifier 14 and digital voltmeter 15, while the static distortion is indicated by clock gauges, 19. The pre-load and distortion are greater than the alternating load and distortion so that the test specimens remain between the discs. An oscilloscope 20 utilizes a signal from a velocity pick-up 21 to enable the device to be set at its resonant frequency. Formulae are given in the Specification relating the dynamic modulus of elasticity E<SP>1</SP> and the dynamic loss modulus E<SP>11</SP> to the measured quantities. (For Figure see next page)
GB1226901D 1968-04-05 1969-04-02 Expired GB1226901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT333768 1968-04-05

Publications (1)

Publication Number Publication Date
GB1226901A true GB1226901A (en) 1971-03-31

Family

ID=3548992

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226901D Expired GB1226901A (en) 1968-04-05 1969-04-02

Country Status (2)

Country Link
DE (1) DE1915739A1 (en)
GB (1) GB1226901A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122723A (en) * 1975-11-25 1978-10-31 Fiat Societa Per Azioni Method and apparatus for testing the quality of cast iron pieces especially spheroidal cast-iron pieces
WO1995028629A1 (en) * 1994-04-19 1995-10-26 Commonwealth Scientific And Industrial Research Organisation Complex viscosity and complex modulus measurement device and method
CN111771115A (en) * 2018-03-07 2020-10-13 弗朗西斯科·提姆珀尼 Snap fastener device for non-destructive characterization of materials
CN114608995A (en) * 2022-05-11 2022-06-10 中国科学院苏州生物医学工程技术研究所 Detection method of thrombus elasticity measuring device
CN111771115B (en) * 2018-03-07 2024-06-07 弗朗西斯科·提姆珀尼 Snap fastener device for non-destructive characterization of materials

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4122723A (en) * 1975-11-25 1978-10-31 Fiat Societa Per Azioni Method and apparatus for testing the quality of cast iron pieces especially spheroidal cast-iron pieces
WO1995028629A1 (en) * 1994-04-19 1995-10-26 Commonwealth Scientific And Industrial Research Organisation Complex viscosity and complex modulus measurement device and method
US5750884A (en) * 1994-04-19 1998-05-12 Commonwealth Scientific And Industrial Research Organisation Complex viscosity and complex modulus measurement device and method
CN111771115A (en) * 2018-03-07 2020-10-13 弗朗西斯科·提姆珀尼 Snap fastener device for non-destructive characterization of materials
CN111771115B (en) * 2018-03-07 2024-06-07 弗朗西斯科·提姆珀尼 Snap fastener device for non-destructive characterization of materials
CN114608995A (en) * 2022-05-11 2022-06-10 中国科学院苏州生物医学工程技术研究所 Detection method of thrombus elasticity measuring device
CN114608995B (en) * 2022-05-11 2022-08-12 中国科学院苏州生物医学工程技术研究所 Detection method of thrombus elasticity measuring device

Also Published As

Publication number Publication date
DE1915739A1 (en) 1969-10-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee