@article{oai:niigata-u.repo.nii.ac.jp:00003681,
 author = {鈴木, 賢治 and 田中, 啓介 and 秋庭, 義明 and 川村, 昌志 and 西尾, 光司 and 尾角, 英毅},
 issue = {693},
 journal = {日本機械学会論文集. A編, 日本機械学会論文集. A編},
 month = {May},
 note = {A new hybrid method is proposed to estimate the spalling stress normal to the interface in thermal barrier coating. As the X-ray energy becomes higher, the penetration depth gets deeper. The in-plane stress, σ_1, is measured by the conventional X-ray with the low energy, and the out-of-plane stress, σ_1-σ_3, is measured by the synchrotron X-ray with high energy. The spalling stress, σ_3, can be estimated from two measurements obtained by the conventional and the synchrotron X-ray methods. The bond coating of NiCoCrAlY with a thickness of 0.2mm was made by plasma spraying on a Ni super-alloy substrate, and the ZrO_2 top coating with a thickness of 0.2mm was plasma sprayed on the bond coating. The distribution of the in-plane residual stresses, σ_1, in the top coating was measured with characteristic X-rays Cr-Kα by repeating the measurements after successive removal of the surface layer. The residual stresses, σ_1-σ_3, were measured by the synchrotron X-rays with 73 keV. The spalling stress was estimated from the stresses measured by the two methods. The spalling stress, σ_3, was small tensile beneath the surface of the top coat but increased to 75 MPa near the interface between the top and bond coatings. A high tensile stress near the interface may induce the delamination of coatings.},
 pages = {724--730},
 title = {放射光高エネルギーX線による遮熱コーティングのはく離応力の評価},
 volume = {70},
 year = {2004}
}