Development of slack non-destructive inspection method of the high tension bolt using alternating magnetic field
| Project/Area Number |
23710194
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (B)
|
| Allocation Type | Multi-year Fund |
|---|
| Research Field |
Social systems engineering/Safety system
|
|---|
| Research Institution | Oita University |
|---|
Principal Investigator |
GOTOH Yuji 大分大学, 工学部, 准教授 (00373184)
|
|---|
| Project Period (FY) |
2011 – 2013
|
| Project Status |
Completed (Fiscal Year 2013)
|
| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
|
|---|
| Keywords | 高張力ボルト / 三次元応力解析 / 三次元非線形電磁界解析 / 交流磁界 / 非破壊検査 / 圧縮応力 / 応力磁気効果 / 透磁率 / 非線形磁気特性 / 応力解析 / 電磁界解析 / 有限要素法 / 電磁気センサ / 初期磁化曲線 / 導電率 |
|---|
| Research Abstract |
Many bolt are used in the automobiles or bridges. Since loosing of the bolts many cause serious accidents, regular inspection is very important. In this paper, the slack inspection technique of high-tension bolt of detecting the magnetic property of changing by bolting stress was examined. The proposed of bolt slack inspection technique was investigated in 3-D stress analysis and nonlinear electromagnetic FEM(finite element method).
|
Report
(4 results)
Research Products
(28 results)
