JPS5510517A - Defect detector by heating - Google Patents
Defect detector by heatingInfo
- Publication number
- JPS5510517A JPS5510517A JP8304378A JP8304378A JPS5510517A JP S5510517 A JPS5510517 A JP S5510517A JP 8304378 A JP8304378 A JP 8304378A JP 8304378 A JP8304378 A JP 8304378A JP S5510517 A JPS5510517 A JP S5510517A
- Authority
- JP
- Japan
- Prior art keywords
- subject
- heat
- temperature distribution
- tested
- defect
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
PURPOSE: To secure an easy detection of the defect or breakdown regardless of the shape of the subject to be tested by flowing the current to the tested subject and then measuring the temperature distribution caused by the heat generation.
CONSTITUTION: Electrodes 7 are mounted detachably across the test range of tested subject 3, and the fixed current is suppied from power source 8. Thus the heat is generated due to the electric resistance of the subject itself, and the temperature distribution is measured via the heat-sensitive material. The disturbance occurs in the temperature distribution at the defective area of subject 3 owing to the disturbance of heat generation and the uneven heat conduction, thus detecting the presence of absence of the defect in an accurate way.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8304378A JPS5510517A (en) | 1978-07-10 | 1978-07-10 | Defect detector by heating |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8304378A JPS5510517A (en) | 1978-07-10 | 1978-07-10 | Defect detector by heating |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5510517A true JPS5510517A (en) | 1980-01-25 |
Family
ID=13791167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8304378A Pending JPS5510517A (en) | 1978-07-10 | 1978-07-10 | Defect detector by heating |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5510517A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62143253U (en) * | 1986-03-04 | 1987-09-09 | ||
US4733175A (en) * | 1984-06-04 | 1988-03-22 | General Electric Company | Varistor defect detection by incipient hot spot observation |
JPS6478138A (en) * | 1987-09-21 | 1989-03-23 | Jgc Corp | Inspecting device for soundness of drum packed with radioactive waste |
US7192185B2 (en) * | 2003-11-04 | 2007-03-20 | Inventio Ag | Method of and equipment for checking support means |
-
1978
- 1978-07-10 JP JP8304378A patent/JPS5510517A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4733175A (en) * | 1984-06-04 | 1988-03-22 | General Electric Company | Varistor defect detection by incipient hot spot observation |
JPS62143253U (en) * | 1986-03-04 | 1987-09-09 | ||
JPS6478138A (en) * | 1987-09-21 | 1989-03-23 | Jgc Corp | Inspecting device for soundness of drum packed with radioactive waste |
US7192185B2 (en) * | 2003-11-04 | 2007-03-20 | Inventio Ag | Method of and equipment for checking support means |
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