Monitoring the alloying process of mechanically synthesized Fe80Ni20 through changes in magnetic properties

Michael W.R. Volk; Michael R. Wack; Bernd J. Maier

doi:10.1016/j.jallcom.2017.10.090

Monitoring the alloying process of mechanically synthesized Fe₈₀Ni₂₀ through changes in magnetic properties

Michael W.R. Volk, Michael R. Wack, Bernd J. Maier

Earth and Environmental Sciences-Twin Cities

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

10 Scopus citations

Abstract

Fe₈₀Ni₂₀ was prepared by mechanical synthesis using a Fritsch Pulverisette Premium (P7) planetary ball mill at 400 RPM. The alloying process was monitored by measuring the magnetic properties of 14 subsamples taken at different milling times (1–2160 min) as well as structural modifications using powder X-ray diffraction and high-resolution imaging. A macroscopically homogeneous body-centered cubic (bcc) alloy with crystallite sizes below 11 nm and microstrain above 1.2% was reached after 960 min (16 h) of milling. The magnetic properties show three distinct stages: (1) the size reduction of the elementary powders, (2) alloying and (3) reduction in particle size of the final alloy.

Original language	English (US)
Pages (from-to)	336-342
Number of pages	7
Journal	Journal of Alloys and Compounds
Volume	732
DOIs	https://doi.org/10.1016/j.jallcom.2017.10.090
State	Published - Jan 25 2018

Bibliographical note

Funding Information:
This work was supported by Deutsche Forschungsgemeinschaft project WA3402/1-1 under the auspices of SPP1488, Planetary Magnetism. We thank Prof. Dr. Stuart Gilder for the helpful comments and discussions. Furthermore, we would like to thank Martin Leberer and Johannes Heinbuch for their help in the laboratory. Finally, we like to thank four anonymous reviewers, whose comments and suggestions helped improve the manuscript.

Publisher Copyright:
© 2017 Elsevier B.V.

Keywords

Ball milling
FeNi
Magnetic properties
Mechanical alloying
Nanostructure
Synthesis

Publisher link

10.1016/j.jallcom.2017.10.090

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title = "Monitoring the alloying process of mechanically synthesized Fe80Ni20 through changes in magnetic properties",

abstract = "Fe80Ni20 was prepared by mechanical synthesis using a Fritsch Pulverisette Premium (P7) planetary ball mill at 400 RPM. The alloying process was monitored by measuring the magnetic properties of 14 subsamples taken at different milling times (1–2160 min) as well as structural modifications using powder X-ray diffraction and high-resolution imaging. A macroscopically homogeneous body-centered cubic (bcc) alloy with crystallite sizes below 11 nm and microstrain above 1.2% was reached after 960 min (16 h) of milling. The magnetic properties show three distinct stages: (1) the size reduction of the elementary powders, (2) alloying and (3) reduction in particle size of the final alloy.",

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author = "Volk, {Michael W.R.} and Wack, {Michael R.} and Maier, {Bernd J.}",

note = "Funding Information: This work was supported by Deutsche Forschungsgemeinschaft project WA3402/1-1 under the auspices of SPP1488, Planetary Magnetism. We thank Prof. Dr. Stuart Gilder for the helpful comments and discussions. Furthermore, we would like to thank Martin Leberer and Johannes Heinbuch for their help in the laboratory. Finally, we like to thank four anonymous reviewers, whose comments and suggestions helped improve the manuscript. Publisher Copyright: {\textcopyright} 2017 Elsevier B.V.",

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AU - Volk, Michael W.R.

AU - Wack, Michael R.

AU - Maier, Bernd J.

N1 - Funding Information: This work was supported by Deutsche Forschungsgemeinschaft project WA3402/1-1 under the auspices of SPP1488, Planetary Magnetism. We thank Prof. Dr. Stuart Gilder for the helpful comments and discussions. Furthermore, we would like to thank Martin Leberer and Johannes Heinbuch for their help in the laboratory. Finally, we like to thank four anonymous reviewers, whose comments and suggestions helped improve the manuscript. Publisher Copyright: © 2017 Elsevier B.V.

PY - 2018/1/25

Y1 - 2018/1/25

N2 - Fe80Ni20 was prepared by mechanical synthesis using a Fritsch Pulverisette Premium (P7) planetary ball mill at 400 RPM. The alloying process was monitored by measuring the magnetic properties of 14 subsamples taken at different milling times (1–2160 min) as well as structural modifications using powder X-ray diffraction and high-resolution imaging. A macroscopically homogeneous body-centered cubic (bcc) alloy with crystallite sizes below 11 nm and microstrain above 1.2% was reached after 960 min (16 h) of milling. The magnetic properties show three distinct stages: (1) the size reduction of the elementary powders, (2) alloying and (3) reduction in particle size of the final alloy.

AB - Fe80Ni20 was prepared by mechanical synthesis using a Fritsch Pulverisette Premium (P7) planetary ball mill at 400 RPM. The alloying process was monitored by measuring the magnetic properties of 14 subsamples taken at different milling times (1–2160 min) as well as structural modifications using powder X-ray diffraction and high-resolution imaging. A macroscopically homogeneous body-centered cubic (bcc) alloy with crystallite sizes below 11 nm and microstrain above 1.2% was reached after 960 min (16 h) of milling. The magnetic properties show three distinct stages: (1) the size reduction of the elementary powders, (2) alloying and (3) reduction in particle size of the final alloy.

KW - Ball milling

KW - FeNi

KW - Magnetic properties

KW - Mechanical alloying

KW - Nanostructure

KW - Synthesis

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