FR2158994A5 - - Google Patents
Info
- Publication number
- FR2158994A5 FR2158994A5 FR7238031A FR7238031A FR2158994A5 FR 2158994 A5 FR2158994 A5 FR 2158994A5 FR 7238031 A FR7238031 A FR 7238031A FR 7238031 A FR7238031 A FR 7238031A FR 2158994 A5 FR2158994 A5 FR 2158994A5
- Authority
- FR
- France
- 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
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/725—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables by using magneto-acoustical effects or the Barkhausen effect
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD15860571 | 1971-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2158994A5 true FR2158994A5 (OSRAM) | 1973-06-15 |
Family
ID=5484517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7238031A Expired FR2158994A5 (OSRAM) | 1971-10-28 | 1972-10-26 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2247634A1 (OSRAM) |
| FR (1) | FR2158994A5 (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881030A (en) * | 1987-04-16 | 1989-11-14 | Siemens Aktinegesellschaft | Method and apparatus for measuring and precisely locating internal tensile stresses in hardened regions of components by measuring coercive field strength and barkhausen noise amplitude |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4692701A (en) * | 1984-12-13 | 1987-09-08 | Factory Mutual Research | Method of testing steam turbine rotors to determine if they should be retired because of embrittlement |
-
1972
- 1972-09-28 DE DE19722247634 patent/DE2247634A1/de active Pending
- 1972-10-26 FR FR7238031A patent/FR2158994A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4881030A (en) * | 1987-04-16 | 1989-11-14 | Siemens Aktinegesellschaft | Method and apparatus for measuring and precisely locating internal tensile stresses in hardened regions of components by measuring coercive field strength and barkhausen noise amplitude |
| EP0287873A3 (de) * | 1987-04-16 | 1991-02-27 | Siemens Aktiengesellschaft | Messverfahren zur Messung und genauen Lokalisierung von Zugeigenspannungen in gehärteten Bereichen von Bauteilen |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2247634A1 (de) | 1973-05-03 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |