JPH0364830B2 - - Google Patents
Info
- Publication number
- JPH0364830B2 JPH0364830B2 JP13409385A JP13409385A JPH0364830B2 JP H0364830 B2 JPH0364830 B2 JP H0364830B2 JP 13409385 A JP13409385 A JP 13409385A JP 13409385 A JP13409385 A JP 13409385A JP H0364830 B2 JPH0364830 B2 JP H0364830B2
- Authority
- JP
- Japan
- Prior art keywords
- crack
- potential difference
- ratio
- aspect ratio
- depth
- 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
- 238000009826 distribution Methods 0.000 claims description 61
- 238000005259 measurement Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 40
- 230000007547 defect Effects 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 20
- 230000005684 electric field Effects 0.000 description 15
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000009661 fatigue test Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13409385A JPS61292546A (ja) | 1985-06-21 | 1985-06-21 | 表面き裂形状の検出方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13409385A JPS61292546A (ja) | 1985-06-21 | 1985-06-21 | 表面き裂形状の検出方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61292546A JPS61292546A (ja) | 1986-12-23 |
| JPH0364830B2 true JPH0364830B2 (enrdf_load_stackoverflow) | 1991-10-08 |
Family
ID=15120268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13409385A Granted JPS61292546A (ja) | 1985-06-21 | 1985-06-21 | 表面き裂形状の検出方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61292546A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4904489B2 (ja) * | 2006-01-31 | 2012-03-28 | 国立大学法人 岡山大学 | 損傷検出装置及び損傷検出方法 |
| JP7174526B2 (ja) * | 2018-03-29 | 2022-11-17 | 三菱重工業株式会社 | 電気抵抗法を用いた密集亀裂深さ計測装置 |
-
1985
- 1985-06-21 JP JP13409385A patent/JPS61292546A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61292546A (ja) | 1986-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101122578B (zh) | 铁磁性金属构件疲劳裂纹和应力集中的磁记忆检测方法 | |
| EP0276307A1 (en) | COMPOSITE TEST AND ANALYSIS INSTRUMENT. | |
| US20090192730A1 (en) | Damage Detection Apparatus, Damage Detection Method and Recording Medium | |
| EP0289615A1 (en) | Surface defect inspection method and surface defect inspection apparatus | |
| US8704512B2 (en) | Nondestructive testing system for steel workpiece | |
| TWI407126B (zh) | Circuit pattern checking device and method thereof | |
| US3636441A (en) | Method of measuring crack depths in electrically conductive metal workpieces using current probes with voltage probes located between current probes by measuring the minimum potential difference between the voltage and current probes | |
| US11630081B2 (en) | Method for non-destructively examining an anode of an aluminium electrolysis cell | |
| JPH0364830B2 (enrdf_load_stackoverflow) | ||
| US6285183B1 (en) | Method and system for measuring the volume loss of a metal substrate | |
| CN110836806A (zh) | 一种用于耐酸蚀钢齿轮的磁弹法磨削烧伤检测方法 | |
| JPH0545141B2 (enrdf_load_stackoverflow) | ||
| US6563309B2 (en) | Use of eddy current to non-destructively measure crack depth | |
| CN114705726A (zh) | 一种快速检测金属点焊接头中焊接缺陷的方法及装置 | |
| JPH049470B2 (enrdf_load_stackoverflow) | ||
| JPH1151906A (ja) | 腐食診断装置 | |
| JPH0545142B2 (enrdf_load_stackoverflow) | ||
| JP4789502B2 (ja) | 電位差法を用いた深い亀裂に対する亀裂深さ測定手法および装置 | |
| JPH05164667A (ja) | 表面き裂進展測定方法 | |
| JPH01237443A (ja) | 格子板検査装置 | |
| CN213658641U (zh) | 一种金属材料的形变裂纹检测装置 | |
| JPS62501760A (ja) | 加工品を磁力保持する装置の保持力特性を定める方法 | |
| JPS5850456A (ja) | き裂検出方法 | |
| Tian et al. | Eddy-current model and detection in a thick stainless steel plate | |
| CN120385748A (zh) | Mlcc短路品的缺陷位置分析方法 |