FR3071614B1 - GAS DILATOMETER - Google Patents

GAS DILATOMETER Download PDF

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Publication number
FR3071614B1
FR3071614B1 FR1700984A FR1700984A FR3071614B1 FR 3071614 B1 FR3071614 B1 FR 3071614B1 FR 1700984 A FR1700984 A FR 1700984A FR 1700984 A FR1700984 A FR 1700984A FR 3071614 B1 FR3071614 B1 FR 3071614B1
Authority
FR
France
Prior art keywords
chamber
rod
dilatometer
gas
compartments
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.)
Active
Application number
FR1700984A
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French (fr)
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FR3071614A1 (en
Inventor
Robert Neviere
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ArianeGroup SAS
Original Assignee
ArianeGroup SAS
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 by ArianeGroup SAS filed Critical ArianeGroup SAS
Priority to FR1700984A priority Critical patent/FR3071614B1/en
Publication of FR3071614A1 publication Critical patent/FR3071614A1/en
Application granted granted Critical
Publication of FR3071614B1 publication Critical patent/FR3071614B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0058—Kind of property studied
    • G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
    • G01N2203/0071—Creep
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/022—Environment of the test

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  • 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)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)

Abstract

L'invention concerne un dilatomètre à gaz (100) comprenant : une chambre (110) à volume constant contenant un liquide (111) et un gaz (112), ladite chambre comportant : un élément de fixation (122) auquel est destinée à être attachée une éprouvette (123), une tige verticale (150) fixée à l'éprouvette, ladite tige (150) étant au moins partiellement immergée dans le liquide, une traverse (130) mobile en translation fixée à la tige, la traverse s'étendant transversalement par rapport à la tige et séparant la chambre en deux compartiments (141, 142), chacun des compartiments étant délimité latéralement au moins partiellement par une paroi déformable (141a, 142a) fixée à la traverse, la traverse comprenant en outre une ouverture (132) mettant en communication fluidique les deux compartiments ; un dispositif de déplacement (106) configuré pour déplacer la traverse en translation verticale ; et un capteur de pression (160) relié à la chambre. L'invention vise aussi un procédé de détermination de la variation de volume d'une éprouvette mettant en œuvre ce dilatomètre.A gas dilatometer (100) comprising: a constant volume chamber (110) containing a liquid (111) and a gas (112), said chamber comprising: a fastener (122) to which is intended to be attached a test piece (123), a vertical rod (150) attached to the test piece, said rod (150) being at least partially immersed in the liquid, a cross member (130) movable in translation fixed to the rod, the sleeper s' extending transversely with respect to the rod and separating the chamber into two compartments (141, 142), each of the compartments being delimited laterally at least partially by a deformable wall (141a, 142a) fixed to the cross member, the crossmember further comprising an opening (132) fluidly communicating the two compartments; a displacement device (106) configured to move the crosshead in vertical translation; and a pressure sensor (160) connected to the chamber. The invention also relates to a method for determining the variation in volume of a specimen using this dilatometer.

FR1700984A 2017-09-25 2017-09-25 GAS DILATOMETER Active FR3071614B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1700984A FR3071614B1 (en) 2017-09-25 2017-09-25 GAS DILATOMETER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1700984 2017-09-25
FR1700984A FR3071614B1 (en) 2017-09-25 2017-09-25 GAS DILATOMETER

Publications (2)

Publication Number Publication Date
FR3071614A1 FR3071614A1 (en) 2019-03-29
FR3071614B1 true FR3071614B1 (en) 2019-11-29

Family

ID=61521516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1700984A Active FR3071614B1 (en) 2017-09-25 2017-09-25 GAS DILATOMETER

Country Status (1)

Country Link
FR (1) FR3071614B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1467037A (en) * 1965-07-24 1967-01-27 Commissariat Energie Atomique Creep cell
FR1524301A (en) * 1967-03-29 1968-05-10 Electricite De France Machine for creep tests including creep-rupture
FR2087758A5 (en) * 1970-05-29 1971-12-31 Commissariat Energie Atomique
FR2134892A5 (en) * 1971-04-23 1972-12-08 Cerca

Also Published As

Publication number Publication date
FR3071614A1 (en) 2019-03-29

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