GB1346877A - Dilatometer - Google Patents
DilatometerInfo
- Publication number
- GB1346877A GB1346877A GB1346877DA GB1346877A GB 1346877 A GB1346877 A GB 1346877A GB 1346877D A GB1346877D A GB 1346877DA GB 1346877 A GB1346877 A GB 1346877A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thermocouple
- arm
- core
- push rod
- thermal expansion
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/16—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring the deformation in a solid, e.g. by resistance strain gauge
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 Or Analyzing Materials Using Thermal Means (AREA)
Abstract
1346877 Measuring thermal expansion G R CLUSENER 25 July 1972 34776/72 Heading G1N The invention relates to apparatus for measuring the linear thermal expansion of a solid using a differential transformer and a thermocouple. As shown, Fig. 1, a test sample T is supported in a quartz tube 126 inside a furnace F and its temperature measured by a thermocouple 156. A differential transformer 52 is axially positioned so that its core 80 is in contact with the sample T through a push rod 84, the transformer body 52 and the core 80 being separately supported by interleaved cantilever springs 42, 44 and 40, 46 respectively. A micrometer 70 enables the position of the transformer body to be zeroized. The force loading on the test sample T is measured by a torsion wire 172, Fig. 7, fixed at its ends 174 and coupled by an arm 170 to the push rod 84, a second arm 176 attached to the torsion wire having a free end which moves over a scale 178 to indicate the applied force.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3477672 | 1972-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1346877A true GB1346877A (en) | 1974-02-13 |
Family
ID=10369807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1346877D Expired GB1346877A (en) | 1972-07-25 | 1972-07-25 | Dilatometer |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1346877A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2307267A1 (en) * | 1975-04-08 | 1976-11-05 | Anvar | Dilatometer for operation at high vacuum and temperature - measures lengths of samples affected by surrounding gases |
-
1972
- 1972-07-25 GB GB1346877D patent/GB1346877A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2307267A1 (en) * | 1975-04-08 | 1976-11-05 | Anvar | Dilatometer for operation at high vacuum and temperature - measures lengths of samples affected by surrounding gases |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee | ||
| 728C | Application made for restoration (sect. 28/1977) | ||
| 728A | Order made restoring the patent (sect. 28/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |