Influence of Gas Nitriding on the Damping Capacity of Fe-17Mn Alloy

Seon Min Choi, Ji Sook Park, Kyongjun An, Young-Kook Lee

Research output: Contribution to journalArticle

Abstract

Fe-17Mn alloy has been attracted as a high damping alloy due to its excellent damping capacity and tensile properties. For its industrial application, it is necessary to improve both wear resistance and anti-oxidation. To solve this problem, gas nitriding was performed at 520 °C for 10 h using cold-rolled specimens. The nitrided specimen revealed a thick nitride layer of ~ 68 μm with ~ 20%Mn and a hardness value of ~ 650 Hv on the matrix of ε martensite and γ austenite without the diffusion layer. The damping capacity of the nitrided specimen was decreased with increasing the thickness ratio of nitride layer to matrix. However, when the thickness ratio was ≤ 1.5%, the damping capacity of the nitrided specimen was similar to that of the nitride-free specimen. This indicates that the wear resistance and anti-oxidation of Fe-17Mn alloy can be improved by a thin nitride layer without the loss of its damping capacity.

Original languageEnglish
Pages (from-to)135-139
Number of pages5
JournalMetals and Materials International
Volume25
Issue number1
DOIs
Publication statusPublished - 2019 Jan 18

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nitriding
Nitriding
Nitrides
Damping
Gases
damping
nitrides
gases
thickness ratio
wear resistance
Wear resistance
Oxidation
oxidation
tensile properties
matrices
austenite
martensite
Tensile properties
Martensite
Austenite

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys
  • Materials Chemistry

Cite this

Choi, Seon Min ; Park, Ji Sook ; An, Kyongjun ; Lee, Young-Kook. / Influence of Gas Nitriding on the Damping Capacity of Fe-17Mn Alloy. In: Metals and Materials International. 2019 ; Vol. 25, No. 1. pp. 135-139.
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Influence of Gas Nitriding on the Damping Capacity of Fe-17Mn Alloy. / Choi, Seon Min; Park, Ji Sook; An, Kyongjun; Lee, Young-Kook.

In: Metals and Materials International, Vol. 25, No. 1, 18.01.2019, p. 135-139.

Research output: Contribution to journalArticle

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AB - Fe-17Mn alloy has been attracted as a high damping alloy due to its excellent damping capacity and tensile properties. For its industrial application, it is necessary to improve both wear resistance and anti-oxidation. To solve this problem, gas nitriding was performed at 520 °C for 10 h using cold-rolled specimens. The nitrided specimen revealed a thick nitride layer of ~ 68 μm with ~ 20%Mn and a hardness value of ~ 650 Hv on the matrix of ε martensite and γ austenite without the diffusion layer. The damping capacity of the nitrided specimen was decreased with increasing the thickness ratio of nitride layer to matrix. However, when the thickness ratio was ≤ 1.5%, the damping capacity of the nitrided specimen was similar to that of the nitride-free specimen. This indicates that the wear resistance and anti-oxidation of Fe-17Mn alloy can be improved by a thin nitride layer without the loss of its damping capacity.

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