JPS57184948A - Creep testing device - Google Patents
Creep testing deviceInfo
- Publication number
- JPS57184948A JPS57184948A JP7031781A JP7031781A JPS57184948A JP S57184948 A JPS57184948 A JP S57184948A JP 7031781 A JP7031781 A JP 7031781A JP 7031781 A JP7031781 A JP 7031781A JP S57184948 A JPS57184948 A JP S57184948A
- Authority
- JP
- Japan
- Prior art keywords
- specimen
- region
- measured
- length
- load
- 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.)
- Granted
Links
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
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
- G01N3/068—Special adaptations of indicating or recording means with optical indicating or recording means
-
- 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
Landscapes
- 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)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
PURPOSE:To measure elongation and contraction of a specimen without dispersion by applying a load on the specimen wherein the length of a region to be measured is the part between marking lines whose optical characteristic is different from the other part of the surface, and scanning the part corresponding to the marking lines by a television camera and the like. CONSTITUTION:Two marking lines Q are provided on the specimen S such as rubber or the like and part between them is made to be the length of the region to be measured. The optical characteristics such as lightness is made different from the other region of the surface of the specimen. The load is applied so that the length of the region to be measured becomes long by a load applying means. The specimen S is scanned by the surface scanning device such as a television camera, and its output is given to a signal processor. A measuring range specifying signal is generated based on the output of the scanning device. The pulse signal corresponding to the length of the region to be measured is obtained, and the pulse interval T is measured. Even though a clamp and the like for holding the specimen is present in the scanning range, accurate measuring can be performed without the effect of the clamp.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7031781A JPS57184948A (en) | 1981-05-11 | 1981-05-11 | Creep testing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7031781A JPS57184948A (en) | 1981-05-11 | 1981-05-11 | Creep testing device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57184948A true JPS57184948A (en) | 1982-11-13 |
JPS6149612B2 JPS6149612B2 (en) | 1986-10-30 |
Family
ID=13427947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7031781A Granted JPS57184948A (en) | 1981-05-11 | 1981-05-11 | Creep testing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57184948A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6033028A (en) * | 1983-08-04 | 1985-02-20 | Toyo Seiki Seisakusho:Kk | Tracing method of bench mark in tensile test or the like |
JPS62231105A (en) * | 1986-03-31 | 1987-10-09 | Shimadzu Corp | Displacement gauge |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5355186A (en) * | 1976-10-29 | 1978-05-19 | Yokohama Rubber Co Ltd | Tension tester |
-
1981
- 1981-05-11 JP JP7031781A patent/JPS57184948A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5355186A (en) * | 1976-10-29 | 1978-05-19 | Yokohama Rubber Co Ltd | Tension tester |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6033028A (en) * | 1983-08-04 | 1985-02-20 | Toyo Seiki Seisakusho:Kk | Tracing method of bench mark in tensile test or the like |
JPH0259944B2 (en) * | 1983-08-04 | 1990-12-13 | Toyo Seiki Seisakusho Kk | |
JPS62231105A (en) * | 1986-03-31 | 1987-10-09 | Shimadzu Corp | Displacement gauge |
Also Published As
Publication number | Publication date |
---|---|
JPS6149612B2 (en) | 1986-10-30 |
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