Phase evolution studies during mechanical alloying of Fe(82-x)-Cr18-Six (x = 0, 1, 2, 3) alloy

Ihsan Ul Haq Toor*, Junaid Ahmed, M. A. Hussein, F. Patel, N. Al-Aqeeli

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Iron based alloys Fe(82-x)-Cr18-Six (x = 0, 1, 2, 3) wt% were developed by mechanical alloying (MA). Phase evolution studies on the milled powders were conducted using X-ray diffraction (XRD) and field emission transmission electron microscopy (FE-TEM). Scanning electron microscope (SEM) was used to carry out morphological investigations. Results showed an initial solid solution formation at 5 h of milling and with continued milling to 35 h, an amorphous phase was formed. The amorphous phase was mechanically crystallized to α-phase at 85 h and 100 h of milling for Fe(82-x)-Cr18-Six (x = 0) and Fe(82-x)-Cr18-Six (x = 1, 2, 3) wt% alloys respectively. Both the lattice parameter and crystallite size were decreased with an increase in Si content of the alloys. With continued milling, micro-strain was increased and crystallite size of the alloys was decreased.

Original languageEnglish
Pages (from-to)463-469
Number of pages7
JournalJournal of Alloys and Compounds
Volume683
DOIs
StatePublished - 25 Oct 2016

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V.

Keywords

  • Crystallite size
  • Fe-Cr alloy
  • Lattice parameter
  • Mechanical alloying
  • Micro-strain
  • Phase transformation
  • X-ray diffraction

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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