Effect of Composition on Strain-Induced Martensite Transformation of FeMnNiC Alloys Fabricated by Powder Metallurgy

• Autorzy: Choi Seunggyu , Jeon Junhyub , Seo Namhyuk , Moon Young Hoon , Shon In-Jin , Lee Seok-Jae

Identyfikatory

DOI

10.24425/amm.2020.133206

• Języki publikacji: EN

Abstrakty

EN

We investigated the austenite stability and mechanical properties in FeMnNiC alloy fabricated by spark plasma sintering. The addition of Mn, Ni, and C, which are known austenite stabilizing elements, increases its stability to a stable phase existing above 910°C in pure iron; as a result, austenitic microstructure can be observed at room temperature, depending on the amounts of Mn, Ni, and C added. Depending on austenite stability and the volume fraction of austenite at a given temperature, strain-induced martensite transformation during plastic deformation may occur. Both stability and the volume fraction of austenite can be controlled by several factors, including chemical composition, grain size, dislocation density, and so on. The present study investigated the effect of carbon addition on austenite stability in FeMnNi alloys containing different Mn and Ni contents. Microstructural features and mechanical properties were analyzed with regard to austenite stability.

Słowa kluczowe

EN

FeMnNiC alloy; spark plasma sintering; strain induced martensite; austenite stability; hardness

• 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: 2020
• Tom: Vol. 65, iss. 3
• Strony: 1001--1004
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Choi Seunggyu

• Jeonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea

autor

Jeon Junhyub

• Jeonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea

autor

Seo Namhyuk

• Jeonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea

autor

Moon Young Hoon

• Pusan National University, School of Mechanical Engineering, 2, Busandaehak-ro 63 Beon-gil, Geumjeong-gu, Busan, 46241, Republic of Korea

autor

Shon In-Jin

• Jeonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea

autor

Lee Seok-Jae

• Jeonbuk 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 the Basic Science Research program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education (2016R1A1B03935163). It also received financial support from the Ministry of Trade, Industry and Energy (MOTIE) and Korea Institute for Advancement of Technology (KIAT), through the International Cooperative R&D program (P006837).

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).