Microstructural Evolution of Iron Based Alloys Produced by Spark Plasma Sintering Method

A. Muthuchamy, A. Raja Annamalai, M. Karthikeyan, Abhijeet Thakur, Nidhi Nagaraju, Dinesh K. Agrawal

Research output: Contribution to journalArticlepeer-review

Abstract

Abstract: The effect of alloying additions, such as copper, carbon, and molybdenum with carbonyl iron powder, on the densification behavior, microstructural evolution, and mechanical properties of spark plasma sintered (SPS) compacts have been investigated in this work. The sintering temperature, pressure, and time during SPS were 1120°C, 30 MPa, and 5 min, respectively. Fe–2Cu–0.8C–0.6Mo was found to exhibit the highest density, hardness, and also tensile strength among all the compositions attempted. The microstructural examination of fractured surfaces of the sintered samples revealed the evidence of a mixed mode of fracture in all the alloy compositions.

Original languageEnglish (US)
Pages (from-to)678-684
Number of pages7
JournalPhysics of Metals and Metallography
Volume119
Issue number7
DOIs
StatePublished - Jul 1 2018

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Materials Chemistry

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