@inproceedings{d4040facb2f8487e97136c60954b4ab4,
title = "Research on recrystallization and crack fracture of single crystal turbine blade",
abstract = "The cracks were found on the surface of DD6 single crystal turbine blade. The blade fracture mode and causing reason were studied by analyzing the fracture surface and the microstructure in the vicinity of the cracks using Optical Microscope (OM) and Scanning Electron Microscope (SEM). The results indicated that the cracks fracture was resulted from the surface recrystallization of the blade. Owing to the presence of cast stress in the blade during the directional solidification process, a later solution treatment resulted in the formation of recrystallization grains. Meanwhile, some white particles with high concentration of W were precipitated at the grain boundary. Under the testing condition, the cracks initiated at the recrystallization boundary and expanded along the white precipitated phases until fatigue fracture.",
keywords = "Crack fracture, Recrystallization, Single crystal supalloy, Turbine blade",
author = "Li, {Shi Feng} and Zhang, {Ding Hua} and Kun Bu and Luo, {Qiu Sheng}",
year = "2013",
doi = "10.4028/www.scientific.net/AMR.712-715.991",
language = "英语",
isbn = "9783037857243",
series = "Advanced Materials Research",
pages = "991--996",
booktitle = "Advances in Manufacturing Science and Engineering",
note = "4th International Conference on Manufacturing Science and Engineering, ICMSE 2013 ; Conference date: 30-03-2013 Through 31-03-2013",
}