Investigations on microstructural changes in machining of Inconel 100 alloy using face turning experiments and 3D finite element simulations

Yiʇit M. Arisoy, Changsheng Guo, Bilgin Kaftanoʇlu, Tuʇrul Özel

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Nickel-base IN100 alloy is a choice of material for components requiring high strength at elevated temperatures. Machining processes applied to these components affect the microstructure, grain size, and microhardness of the finished surface. This research investigates the effects of tool micro-geometry, coating, and cutting speed on the microstructural changes during machining. 3D customized finite element simulations have been performed to predict the average grain size by implementing modified temperature dependent flow softening based material and Johnson-Mehl-Avrami-Kolmogorov crystallization models. Simulation predictions on the average grain sizes, phase fractions, and resultant microhardness are compared against experimental measurements revealing good agreements.

Original languageEnglish (US)
Pages (from-to)80-92
Number of pages13
JournalInternational Journal of Mechanical Sciences
Volume107
DOIs
StatePublished - Mar 2016

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • Cutting
  • Finite Element Method (FEM)
  • Micro-structure
  • Nickel alloy

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