レール用小型X線応力測定装置による実路線の転がり疲労の解明

Material type: 文書・図像類

Author: 佐々木, 敏彦ほか

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Publication date: 2016-05-19

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Note (General)：: 金沢大学人間社会研究域人間科学系車輪とレールとの転動接触疲労によるレールの損傷についてX線応力測定法を適用して検討を行った．本研究では，測定部にCrKα特性X線を当て，発生するデバイリングを二次元検出器で計測し，新応力解析理論一般化cosα法を適用して三軸応力解析して検討した．その結果，三軸応力テン...

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https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25420085/

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Material Type: 文書・図像類
Title: レール用小型X線応力測定装置による実路線の転がり疲労の解明
Author/Editor: 佐々木, 敏彦
Sasaki, Toshihiko
Author Heading: 佐々木, 敏彦
Sasaki, Toshihiko
Publication Date: 2016-05-19
Publication Date (W3CDTF): 2016-05-19
Alternative Title: Study on rolling contact fatigue of rails using potable X-ray stress instrument
Periodical title: 平成27(2015)年度科学研究費補助金基盤研究(C) 研究成果報告書 = 2015 Fiscal Year Final Research Report
No. or year of volume/issue: 2013-04-01 - 2016-03-31
Volume: 2013-04-01 - 2016-03-31
Pages: 4p.-
Text Language Code: jpn
Subject Heading: 残留応力
X線回折
デバイリング
三軸応力
Target Audience: 一般
Note (General): 金沢大学人間社会研究域人間科学系
車輪とレールとの転動接触疲労によるレールの損傷についてX線応力測定法を適用して検討を行った．本研究では，測定部にCrKα特性X線を当て，発生するデバイリングを二次元検出器で計測し，新応力解析理論一般化cosα法を適用して三軸応力解析して検討した．その結果，三軸応力テンソル成分はレールの損傷初期の状態と相関し，非破壊非接触でそれを評価可能である見通しが得られた．
Rolling contact fatigue on the surface of rails due to railway wheel was sutudied using X-ray stress measurement method. Tri-axial stress analysis was conducted with a new stress analysis theory, so-called cosa method by detecting Debye-Scherrer ring with a two-dimensional X-ray detector and CrKa characteristic X-ray from irradiated area. As a result, it was found that tri-axial stress components corresponds to the initial damage of the rail and we can evaluate them nondestructively.
研究課題/領域番号:25420085, 研究期間(年度):2013-04-01 - 2016-03-31
DOI: 10.24517/00052448
Access Restrictions: 限定公開
Related Material: https://kaken.nii.ac.jp/search/?qm=40251912
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-25420085/
https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-25420085/25420085seika/
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 金沢大学 : 金沢大学学術情報リポジトリKURA