Three-dimensional modeling and reconstructive change of residual stress during machining process of milling, polishing, heat treatment, vibratory finishing, and shot peening of fan blade
作者机构：Key Laboratory of High Performance Manufacturing for Aero EngineNorthwestern Polytechnical UniversityMinistry of Industry and Information TechnologyXi’an710072People’s Republic of China Engineering Research Center of Advanced Manufacturing Technology for Aero EngineNorthwestern Polytechnical UniversityMinistry of EducationXi’an710072People’s Republic of China
出 版 物：《Advances in Manufacturing》 (先进制造进展（英文版）)
年 卷 期：2021年第9卷第3期
页 面：430-445页
核心收录：
学科分类：08[工学] 0825[工学-航空宇航科学与技术]
基 金：This work was funded by the National Natural Science Foundation of China(Grant Nos.51875472,91860206,and 51905440) the National Science and Technology Major Project(Grant No.2017-VII-0001-0094) the National Key Research and Development Plan in Shaanxi Province of China(Grant No.2019ZDLGY02-03) the Natural Science Basic Research Plan in Shaanxi Province of China(Grant No.2020JQ-186)
主 题：Fan blade Machining process Surface residual stress Subsurface residual stress Three-dimensional modeling Reconstructive change
摘 要：Residual stress during the machining process has always been a research hotspot,especially for aero-engine *** three-dimensional modeling and reconstructive laws of residual stress among various processes in the machining process of the fan blade is studied in this *** fan blades of Ti-6Al-4V are targeted for milling,polishing,heat treatment,vibratory finishing,and shot *** surface and subsurface residual stress after each process is measured by the X-ray diffraction *** distribution of the surface and subsurface residual stress is *** Rational Taylor surface function and cosine decay function are used to fit the characteristic function of the residual stress distribution,and the empirical formula with high fitting accuracy is *** value and distribution of surface and subsurface residual stress vary greatly due to different processing *** reconstructive change of the surface and subsurface residual stress of the blade in each process intuitively shows the change of the residual stress between the processes,which has a high reference significance for the research on the residual stress of the blade processing and the optimization of the entire blade process.
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