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

doi:10.1134/S0031918X18070062

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

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

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 language	English (US)
Pages (from-to)	678-684
Number of pages	7
Journal	Physics of Metals and Metallography
Volume	119
Issue number	7
DOIs	https://doi.org/10.1134/S0031918X18070062
State	Published - Jul 1 2018

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Materials Chemistry

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title = "Microstructural Evolution of Iron Based Alloys Produced by Spark Plasma Sintering Method",

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.",

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T1 - Microstructural Evolution of Iron Based Alloys Produced by Spark Plasma Sintering Method

AU - Muthuchamy, A.

AU - Annamalai, A. Raja

AU - Karthikeyan, M.

AU - Thakur, Abhijeet

AU - Nagaraju, Nidhi

AU - Agrawal, Dinesh K.

PY - 2018/7/1

Y1 - 2018/7/1

N2 - 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.

AB - 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.

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

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