Effect of Ni Content on the Austenite Stability and Mechanical Properties of Nanocrystalline Fe-Ni Alloy Fabricated by Spark Plasma Sintering

• Autorzy: Park D. , Oh S.-J. , Shon I.-J. , Lee S.-J.

Identyfikatory

DOI

10.24425/123833

• Języki publikacji: EN

Abstrakty

EN

The mechanical behavior and the change of retained austenite of nanocrystalline Fe-Ni alloy have been investigated by considering the effect of various Ni addition amount. The nanocrystalline Fe-Ni alloy samples were rapidly fabricated by spark plasma sintering (SPS). The SPS is a well-known effective sintering process with an extremely short densification time not only to reach a theoretical density value but also to prevent a grain growth, which could result in a nanocrystalline structures. The effect of Ni addition on the compressive stress-strain behavior was analyzed. The variation of the volume fraction of retained austenite due to deformation was quantitatively measured by means of x-ray diffraction and microscope analyses. The strain-induced martensite transformation was observed in Fe-Ni alloy. The different amount of Ni influenced the rate of the strain-induced martensite transformation kinetics and resulted in the change of the work hardening during the compressive deformation.

Słowa kluczowe

EN

Fe-Ni alloy; austenite stability; mechanical properties; spark plasma sintering

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 3
• Strony: 1477--1480
• Opis fizyczny: Bibliogr. 18 poz., rys., wzory

Twórcy

autor

Park D.

• Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-Gu, Jeonju, 54896, Republic of Korea

autor

Oh S.-J.

• Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-Gu, Jeonju, 54896, Republic of Korea

autor

Shon I.-J.

• Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-Gu, Jeonju, 54896, Republic of Korea

autor

Lee S.-J.

• Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-Gu, Jeonju, 54896, Republic of Korea

Bibliografia

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Uwagi

EN

1. This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2016R1D1A1B03935163).

PL

2. Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).