JPH0453247B2 - - Google Patents
Info
- Publication number
- JPH0453247B2 JPH0453247B2 JP24678084A JP24678084A JPH0453247B2 JP H0453247 B2 JPH0453247 B2 JP H0453247B2 JP 24678084 A JP24678084 A JP 24678084A JP 24678084 A JP24678084 A JP 24678084A JP H0453247 B2 JPH0453247 B2 JP H0453247B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sample
- load
- frequency
- obtaining
- 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
- 230000000737 periodic effect Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
-
- 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
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/248—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet using infrared
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24678084A JPS61124836A (ja) | 1984-11-21 | 1984-11-21 | 応力画像を得る装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24678084A JPS61124836A (ja) | 1984-11-21 | 1984-11-21 | 応力画像を得る装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61124836A JPS61124836A (ja) | 1986-06-12 |
JPH0453247B2 true JPH0453247B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-08-26 |
Family
ID=17153548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24678084A Granted JPS61124836A (ja) | 1984-11-21 | 1984-11-21 | 応力画像を得る装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61124836A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4803652B2 (ja) * | 2005-12-16 | 2011-10-26 | Jfeスチール株式会社 | 構造物の欠陥検出方法および装置 |
-
1984
- 1984-11-21 JP JP24678084A patent/JPS61124836A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61124836A (ja) | 1986-06-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |