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The effects of carbon content on the austenite stability and strain-induced transformation of nanocrystalline Fe-11%Ni alloys were investigated using X-ray analysis and mechanical tests. The nanocrystalline FeNiC alloy samples were rapidly fabricated using spark plasma sintering because of the extremely short densification time, which not only helped attain the theoretical density value but also prevented grain growth. The increased austenite stability resulted from nanosized crystallites in the sintered alloys. Increasing compressive deformation increased the volume fraction of strain-induced martensite from austenite decomposition. The kinetics of the strain-induced martensite formation were evaluated using an empirical equation considering the austenite stability factor. As the carbon content increased, the austenite stability was enhanced, contributing to not only a higher volume fraction of austenite after sintering, but also to the suppression of its strain-induced martensite transformation.
Wydawca
Czasopismo
Rocznik
Tom
Strony
863--867
Opis fizyczny
Bibliogr. 28 poz., rys., tab., wzory
Twórcy
autor
- Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
autor
- Korea Polytechnic University, Siheung, Republic of Korea
autor
- Korea Polytechnic University, Siheung, Republic of Korea
autor
- Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
autor
- Chonbuk National University, Division of Advanced Materials Engineering, 567 Baekje-Daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
Bibliografia
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- [21] K. Kim, S. J. Oh, D. Park, I. J. Shon, S. J. Lee, Mater. Trans. 59, 1206 (2018).
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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 (2019).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-4a4ee3d1-34f4-4511-aa3e-c06b4cb21ded