DE2724970C2 - Verfahren zum Messen der mechanischen Vorspannung bei geschrumpften Ringen rechteckigen Querschnitts aus piezoelektrischer Keramik - Google Patents

Verfahren zum Messen der mechanischen Vorspannung bei geschrumpften Ringen rechteckigen Querschnitts aus piezoelektrischer Keramik

Info

Publication number
DE2724970C2
DE2724970C2 DE2724970A DE2724970A DE2724970C2 DE 2724970 C2 DE2724970 C2 DE 2724970C2 DE 2724970 A DE2724970 A DE 2724970A DE 2724970 A DE2724970 A DE 2724970A DE 2724970 C2 DE2724970 C2 DE 2724970C2
Authority
DE
Germany
Prior art keywords
measuring
piezoelectric ceramic
pressure component
section made
preload
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
DE2724970A
Other languages
German (de)
English (en)
Other versions
DE2724970A1 (de
Inventor
Henri Toulon Louit
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.)
Alcatel CIT SA
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel 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
Application filed by Compagnie Industrielle de Telecommunication CIT Alcatel SA filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of DE2724970A1 publication Critical patent/DE2724970A1/de
Application granted granted Critical
Publication of DE2724970C2 publication Critical patent/DE2724970C2/de
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/16Measuring force or stress, in general using properties of piezoelectric devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/22Measuring piezoelectric properties
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/388Ceramics

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
DE2724970A 1976-06-09 1977-06-02 Verfahren zum Messen der mechanischen Vorspannung bei geschrumpften Ringen rechteckigen Querschnitts aus piezoelektrischer Keramik Expired DE2724970C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7617453A FR2354547A1 (fr) 1976-06-09 1976-06-09 Procede et dispositif de mesure de la precontrainte dans des tores de section rectangulaire en ceramique piezoelectrique frettes generateur electrochimique

Publications (2)

Publication Number Publication Date
DE2724970A1 DE2724970A1 (de) 1977-12-22
DE2724970C2 true DE2724970C2 (de) 1986-02-20

Family

ID=9174162

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2724970A Expired DE2724970C2 (de) 1976-06-09 1977-06-02 Verfahren zum Messen der mechanischen Vorspannung bei geschrumpften Ringen rechteckigen Querschnitts aus piezoelektrischer Keramik

Country Status (4)

Country Link
US (1) US4099407A (OSRAM)
DE (1) DE2724970C2 (OSRAM)
FR (1) FR2354547A1 (OSRAM)
GB (1) GB1583779A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8616924D0 (en) * 1986-07-11 1986-08-20 Marconi Instruments Ltd Testing transducers
DE4138416C2 (de) * 1991-02-07 1993-10-28 Bayer Ag Vorrichtung zum Prüfen von ringförmigen Bauteilen, insbesondere aus Keramik, auf Zug
GB9326472D0 (en) * 1993-12-24 1994-02-23 Ngk Ceramics Europ Sa Method and apparatus for testing ceramic members
JP3402221B2 (ja) * 1998-10-20 2003-05-06 株式会社村田製作所 圧電トランス素子のスクリーニング方法
US10006281B2 (en) * 2012-02-10 2018-06-26 Austin Star Detonator Company Calibration of molded piezoelectric longitudinal charge coefficient of a pressure sensor for blasting operation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2802984A (en) * 1953-03-19 1957-08-13 Sussman Harry Testing apparatus
US3561831A (en) * 1969-12-03 1971-02-09 Columbia Research Lab Inc Transducer system for detecting changes in applied forces
US3742757A (en) * 1972-10-18 1973-07-03 Atomic Energy Commission Cell for measuring stresses in prestressed concrete

Also Published As

Publication number Publication date
FR2354547A1 (fr) 1978-01-06
US4099407A (en) 1978-07-11
FR2354547B1 (OSRAM) 1980-09-12
DE2724970A1 (de) 1977-12-22
GB1583779A (en) 1981-02-04

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee