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FR2559905B2 - FATIGUE INDICATOR - Google Patents
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FR2559905B2 - FATIGUE INDICATOR - Google Patents

FATIGUE INDICATOR

Info

Publication number
FR2559905B2
FR2559905B2 FR8402911A FR8402911A FR2559905B2 FR 2559905 B2 FR2559905 B2 FR 2559905B2 FR 8402911 A FR8402911 A FR 8402911A FR 8402911 A FR8402911 A FR 8402911A FR 2559905 B2 FR2559905 B2 FR 2559905B2
Authority
FR
France
Prior art keywords
fatigue indicator
fatigue
indicator
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
FR8402911A
Other languages
French (fr)
Other versions
FR2559905A2 (en
Inventor
Michel Archer
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.)
STAS Societe Technique dAccessoires Specialises SA
Original Assignee
STAS Societe Technique dAccessoires Specialises SA
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
Priority claimed from FR8000342A external-priority patent/FR2473178A1/en
Application filed by STAS Societe Technique dAccessoires Specialises SA filed Critical STAS Societe Technique dAccessoires Specialises SA
Priority to FR8402911A priority Critical patent/FR2559905B2/en
Priority to NO850586A priority patent/NO160880C/en
Publication of FR2559905A2 publication Critical patent/FR2559905A2/en
Application granted granted Critical
Publication of FR2559905B2 publication Critical patent/FR2559905B2/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/06Measuring force or stress, in general by measuring the permanent deformation of gauges, e.g. of compressed bodies
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/06Special adaptations of indicating or recording means
    • G01N3/062Special adaptations of indicating or recording means with mechanical indicating or recording means

Landscapes

  • Physics & Mathematics (AREA)
  • General 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)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
FR8402911A 1980-01-03 1984-02-16 FATIGUE INDICATOR Expired FR2559905B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8402911A FR2559905B2 (en) 1980-01-03 1984-02-16 FATIGUE INDICATOR
NO850586A NO160880C (en) 1984-02-16 1985-02-15 DEVICE FOR DISPOSAL OF WEAKNESS IN A MATERIAL PIECE.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8000342A FR2473178A1 (en) 1980-01-03 1980-01-03 Fatigue indicator for repeatedly stressed member - has circular central shearing sliver between to rigid members propagating cracks from ends of slit
FR8402911A FR2559905B2 (en) 1980-01-03 1984-02-16 FATIGUE INDICATOR

Publications (2)

Publication Number Publication Date
FR2559905A2 FR2559905A2 (en) 1985-08-23
FR2559905B2 true FR2559905B2 (en) 1987-11-20

Family

ID=26221539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8402911A Expired FR2559905B2 (en) 1980-01-03 1984-02-16 FATIGUE INDICATOR

Country Status (1)

Country Link
FR (1) FR2559905B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884456A (en) * 1988-04-26 1989-12-05 Mts Systems Corporation High temperature extensometer system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524642A2 (en) * 1982-03-30 1983-10-07 Stas Soc Tech Access Spec FATIGUE WITNESS

Also Published As

Publication number Publication date
FR2559905A2 (en) 1985-08-23

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