An investigation on mechanical and wear behavior of friction-stir-processed hybrid AZ80/CeO2 + BN surface composite

Zhongbin Wei, Arul Kulandaivel, Tino Hermanto, R. Vaira Vignesh, Sadok Mehrez, Moslem Paidar, Azlan Mohd Zain, V. Mohanavel

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The purpose of the present research is to develop hybrid AZ80/BN + CeO2 surface composite by friction stir processing (FSP). The impact of the pin shape on the metallurgical and mechanical properties is discussed. The microstructural features were studied employing Optical microscopy (OM) and Scanning electron microscopy (SEM). The results demonstrated that the agglomeration of reinforcement particles was considerably reduced when the pin shape was changed from cylindrical to conical and consequently improved particle dispersion in the stir zone. Wear resistance and the local shear strength are also increased by the conical pin in comparing cylindrical pin, which can be ascribed to the better distribution of CeO2 + BN within the stir zone.

Original languageEnglish
Article number134532
JournalMaterials Letters
Volume346
DOIs
StatePublished - 1 Sep 2023

Keywords

  • Friction stir processing
  • Grain boundaries
  • Hybrid AZ80/BN+CeO composite
  • Microstructure
  • Pin shape

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