2024-03-29T12:12:45Z
https://niigata-u.repo.nii.ac.jp/oai
oai:niigata-u.repo.nii.ac.jp:00002924
2022-12-15T03:36:09Z
154:501:502
453:454
放射光によるショットピーニング材の残留応力分布評価
放射光によるショットピーニング材の残留応力分布評価
Evaluation of Residual Stress Distribution in Shot-Peened Steel by Synchrotron Radiation
秋庭, 義明
田中, 啓介
鈴木, 賢治
柳瀬, 悦也
西尾, 光司
楠見, 之博
尾角, 英毅
新井, 和夫
X-ray stress measurement
Synchrotron radiation
Shot peening
Residual stress
High energy X-rays
The in-depth distribution of residual stresses in shot-peened steels was measured by using high energy X-rays from a synchrotron radiation source. The relation between the 2θ and sin^2Ψ was obtained with the side-inclination method (Ψ diffractometer). The distribution of residual stresses was first evaluated by the nonlinearity of the sin^2Ψ diagram by a simplex method. The estimated stress agreed with the distribution determined through the sin^2Ψ method by using Cr-Kα radiation combined with the conventional surface removal method. A new method was proposed to estimate the stress value of the distributed residual stress. The new method was a combination of the side-inclination method and the iso-inclination method (ω diffractometer) to maintain the penetration depth constant. The sin^2Ψ diagram could be approximated by the linear relationship. The evaluated stress distribution agreed well with the distribution obtained by the surface removal method.
日本材料学会
2003-07
jpn
journal article
http://hdl.handle.net/10191/17657
https://niigata-u.repo.nii.ac.jp/records/2924
AN00096175
05145163
材料
材料
52
7
764
769
https://niigata-u.repo.nii.ac.jp/record/2924/files/ZQ_52(7)_764-769.pdf
application/pdf
729.7 kB
2019-07-30