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Experimental investigation on low cycle fatigue properties of Ni-based alloy with single hole

  • Zhenwei Li , Hangshan Gao , Zhaohan Wang , Yanchao Zhao , Zhixun Wen and Zhufeng Yue
Published/Copyright: February 23, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 111 Issue 6

Abstract

The low-cycle fatigue properties of the Ni-based superalloy K416B with single film cooling hole were investigated. The low-cycle fatigue tests were carried out using tension cycling under stress-controlled conditions (stress ratio R = 0.1) at room temperature. The fatigue limit lives of the perforated samples were determined by the lifting method. The fracture morphologies and microstructural evolution were examined. The results showed that the fatigue crack initiated from the film cooling hole. Furthermore, fracture paths and surface morphologies of the samples were influenced significantly by the stress level. The analysis of the microstructural evolution further indicated that the fatigue failure mechanisms of the samples with a film cooling hole depended on the stress level.

Keywords: Ni-based superalloy; Low cycle fatigue; Film cooling hole; Failure mechanism
Published Online: 2021-02-23
Published in Print: 2020-06-01

© 2020 by Walter de Gruyter Berlin/Boston

Articles in the same Issue

  1. CONTENTS
  2. Original Contributions
  3. Accurate estimation of DLC thin film hardness using genetic programming
  4. Effects of graphene on the microstructure and properties of MAO coatings formed on AA7050
  5. Influence of nanostructured Cu on the mechanical properties of Cu–MWCNTs composites
  6. Effect of NbC on the microstructure, mechanical properties, and oxidation resistance of Ti(C,N)-based cermets
  7. Evolution of microstructure and wear-friction behavior of W-30 wt.% Cu nanocomposite produced via a mechanochemical synthesis route
  8. Comparison of the strengthening effects of Nb, V, and Ti on the mechanical properties of 20MnSi low-alloy steel
  9. Effects of Zn content on surface deformability and corrosion resistance of MgZnMnCa alloys
  10. Experimental investigation on low cycle fatigue properties of Ni-based alloy with single hole
  11. Phase relationships in the Ce–Nd–B system at 773 K
  12. Notifications
  13. Erratum
  14. DGM
  15. CONFERENCES
  16. Imprint
https://doi.org/10.3139/146.111904
Keywords for this article
Ni-based superalloy; Low cycle fatigue; Film cooling hole; Failure mechanism

Articles in the same Issue

  1. CONTENTS
  2. Original Contributions
  3. Accurate estimation of DLC thin film hardness using genetic programming
  4. Effects of graphene on the microstructure and properties of MAO coatings formed on AA7050
  5. Influence of nanostructured Cu on the mechanical properties of Cu–MWCNTs composites
  6. Effect of NbC on the microstructure, mechanical properties, and oxidation resistance of Ti(C,N)-based cermets
  7. Evolution of microstructure and wear-friction behavior of W-30 wt.% Cu nanocomposite produced via a mechanochemical synthesis route
  8. Comparison of the strengthening effects of Nb, V, and Ti on the mechanical properties of 20MnSi low-alloy steel
  9. Effects of Zn content on surface deformability and corrosion resistance of MgZnMnCa alloys
  10. Experimental investigation on low cycle fatigue properties of Ni-based alloy with single hole
  11. Phase relationships in the Ce–Nd–B system at 773 K
  12. Notifications
  13. Erratum
  14. DGM
  15. CONFERENCES
  16. Imprint
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