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首页> 外文期刊>International Journal of Fatigue >Evolution of surface integrity and fatigue properties after milling, polishing, and shot peening of TC17 alloy blades
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Evolution of surface integrity and fatigue properties after milling, polishing, and shot peening of TC17 alloy blades

机译：铣削，抛光和射击TC17合金叶片磨削后表面完整性和疲劳性能的演变

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摘要

The surface integrity and fatigue properties of TC17 alloy blades under integrated manufacturing processes are investigated. The R_a values of milling-polishing (MP)-processed and milling-polishing-shot peening-vibration polishing (MPSV)-processed blades are less than 0.4 μm. MPSV produces a strengthened layer about 100 μm and a gradient microstructure. The modal analysis results obtained from finite element calculation corresponds well with the values measured experimentally. The fatigue lives of the MPSV-processed blades are increased by approximately 119.5% compared with the MP-processed blades. The fatigue fracture morphology indicates that fatigue cracks are initiated on the leading edge surface regardless of the processes employed.
机译：研究了TC17合金叶片在集成制造过程下的表面完整性和疲劳性能。铣削抛光（MP）的R_A值 - 处理和铣削抛光喷丸喷丸抛光（MPSV） - 处理叶片小于0.4μm。 MPSV产生约100μm的强化层和梯度微结构。从有限元计算获得的模态分析结果对应于实验测量的值。与MP处理叶片相比，MPSV加工叶片的疲劳寿命增加约119.5％。疲劳骨折形态表明，无论采用的过程如何，在前缘表面上启动疲劳裂缝。

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  • 来源
    《International Journal of Fatigue》 |2020年第7期|105630.1-105630.12|共12页
  • 作者

    Liang Tan; Changfeng Yao; Dinghua Zhang; Junxue Ren; Zheng Zhou; Jiyin Zhang;

  • 作者单位

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

    Key Laboratory of High Performance Manufacturing for Aero Engine (Northwestern Polytechnical University) Ministry of Industry and Information Technology Xi'an 710072 PR China Engineering Research Center of Advanced Manufacturing Technology for Aero Engine Ministry of Education Northwestern Polytechnical University Xi'an 710072 PR China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    TC17 alloy blades; Surface integrity; Shot peening; Fatigue life; Fatigue fracture;

    机译：TC17合金刀片;表面完整性;射击喷丸;疲劳生活;疲劳骨折;

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