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 KeramikInfo
- 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
Links
- 239000000919 ceramic Substances 0.000 title claims description 8
- 238000000034 method Methods 0.000 title claims description 8
- 230000036316 preload Effects 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/22—Measuring piezoelectric properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/388—Ceramics
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
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 (enExample) |
| DE (1) | DE2724970C2 (enExample) |
| FR (1) | FR2354547A1 (enExample) |
| GB (1) | GB1583779A (enExample) |
Families Citing this family (5)
| 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)
| 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 |
-
1976
- 1976-06-09 FR FR7617453A patent/FR2354547A1/fr active Granted
-
1977
- 1977-05-13 GB GB20183/77A patent/GB1583779A/en not_active Expired
- 1977-05-19 US US05/798,720 patent/US4099407A/en not_active Expired - Lifetime
- 1977-06-02 DE DE2724970A patent/DE2724970C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2354547A1 (fr) | 1978-01-06 |
| US4099407A (en) | 1978-07-11 |
| FR2354547B1 (enExample) | 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 |