JPS57113362A - Probe coil type eddy current flaw detecting method - Google Patents
Probe coil type eddy current flaw detecting methodInfo
- Publication number
- JPS57113362A JPS57113362A JP56000079A JP7981A JPS57113362A JP S57113362 A JPS57113362 A JP S57113362A JP 56000079 A JP56000079 A JP 56000079A JP 7981 A JP7981 A JP 7981A JP S57113362 A JPS57113362 A JP S57113362A
- Authority
- JP
- Japan
- Prior art keywords
- flaw
- probe
- eddy current
- probe coil
- current flaw
- 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
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
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9046—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents by analysing electrical signals
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56000079A JPS57113362A (en) | 1981-01-06 | 1981-01-06 | Probe coil type eddy current flaw detecting method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56000079A JPS57113362A (en) | 1981-01-06 | 1981-01-06 | Probe coil type eddy current flaw detecting method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57113362A true JPS57113362A (en) | 1982-07-14 |
Family
ID=11464148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56000079A Pending JPS57113362A (en) | 1981-01-06 | 1981-01-06 | Probe coil type eddy current flaw detecting method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57113362A (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61223549A (ja) * | 1985-03-29 | 1986-10-04 | Nippon Kokan Kk <Nkk> | パイプラインの孔食検出装置 |
JPS63138258A (ja) * | 1986-12-01 | 1988-06-10 | Nkk Corp | 磁気探査法 |
JPH0486552A (ja) * | 1990-07-30 | 1992-03-19 | Nkk Corp | 薄鋼帯の磁気探傷装置 |
JP2017504784A (ja) * | 2013-10-22 | 2017-02-09 | クアルコム,インコーポレイテッド | 外来オブジェクト検出ループアレイ感度の向上のためのシステム、方法、および装置 |
US10295693B2 (en) | 2014-05-15 | 2019-05-21 | Witricity Corporation | Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing |
US10302795B2 (en) | 2014-12-30 | 2019-05-28 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US10324215B2 (en) | 2014-12-30 | 2019-06-18 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
-
1981
- 1981-01-06 JP JP56000079A patent/JPS57113362A/ja active Pending
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61223549A (ja) * | 1985-03-29 | 1986-10-04 | Nippon Kokan Kk <Nkk> | パイプラインの孔食検出装置 |
JPS63138258A (ja) * | 1986-12-01 | 1988-06-10 | Nkk Corp | 磁気探査法 |
JPH0444232B2 (ja) * | 1986-12-01 | 1992-07-21 | Nippon Kokan Kk | |
JPH0486552A (ja) * | 1990-07-30 | 1992-03-19 | Nkk Corp | 薄鋼帯の磁気探傷装置 |
JP2017504784A (ja) * | 2013-10-22 | 2017-02-09 | クアルコム,インコーポレイテッド | 外来オブジェクト検出ループアレイ感度の向上のためのシステム、方法、および装置 |
US10564307B2 (en) | 2014-05-15 | 2020-02-18 | Witricity Corporation | Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing |
US10295693B2 (en) | 2014-05-15 | 2019-05-21 | Witricity Corporation | Systems, methods, and apparatus for foreign object detection loop based on inductive thermal sensing |
US10302795B2 (en) | 2014-12-30 | 2019-05-28 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US10324215B2 (en) | 2014-12-30 | 2019-06-18 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US10670764B2 (en) | 2014-12-30 | 2020-06-02 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US10739487B2 (en) | 2014-12-30 | 2020-08-11 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US11378711B2 (en) | 2014-12-30 | 2022-07-05 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
US11719847B2 (en) | 2014-12-30 | 2023-08-08 | Witricity Corporation | Systems, methods, and apparatus for detecting ferromagnetic foreign objects in a predetermined space |
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