Development and Application of On-site X-ray Stress Measurement Device Contributing to Safety in Railway Technology
| Project/Area Number |
22560138
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Design engineering/Machine functional elements/Tribology
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| Research Institution | Kanazawa University |
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Principal Investigator |
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2010: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Keywords | レール / 残留応 / 集合組織 / 疲労 / X線 / 回折 / 転動 / 接触応力 / 鉄道レール / X線回折法 / X線応力測定 / 残留応力 / 鉄道 / き裂 / 転がり / 回折環 / 車輪 / 転動接触疲労 / CCD / オンサイト |
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| Research Abstract |
This research aimed at realization of a safe railroad. Since simultaneously with the information on a crystalline lattice, X-ray diffraction method can also enables us to evaluate residual stress, this research paid its attention to the X-ray diffraction method. The purpose of this research is to develop newly the compact apparatus for determining residual stress which can be used on-site. The other purposeof this research is to investe the actual condition of the damage in rails in service.As a result, it was found that the Debye ring from a rail was measurable in about 2 minutes by back reflection. It was also found that it became possible to observe visually a part of texture structure state developed in a rail by a plastic flow. Simultaneously, evaluation of residual stress was obtained from the Debye ring too.
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Report
(4 results)
Research Products
(43 results)
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[Presentation] X線と渦電流による機械部品の材質検査2011
Author(s)
矢口 修、岡田 欣之,門前 亮一,細川晃, 佐々木 敏彦
Organizer
日本材料学会第45回X線材料強度に関するシンポジウム
Place of Presentation
ルーテル市ヶ谷センター(東京都)
Year and Date
2011-07-07
Related Report
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[Presentation] 転がり疲れ試験片のX線応力測定
Author(s)
佐藤光，嘉村 直哉,神長 史人,趙 佳薇,大場 宏明,江尻正一,茂木良平,佐々木敏彦
Organizer
日本金属学会・日本鉄鋼協会北陸信越支部平成23年度連合講演会
Place of Presentation
金沢工業大学、石川県
Related Report
