Nanoscale partitioning of Mn between austenite and martensite revealed by Curie temperature variations

Dastur P.; Zarei-Hanzaki A.; Rahimi R.; Klemm V.; De Cooman B. C.; Mola J.

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Nanoscale partitioning of Mn between austenite and martensite revealed by Curie temperature variations

机译：居里温度变化揭示奥氏体和马氏体之间Mn纳米级分配

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The partitioning of Mn between deformation-induced martensite and austenite phases of a Fe-18Mn-2Al-2Si-0.04C high-Mn steel was studied by tracking variations in the Curie temperature of martensite after exposure to successively higher annealing temperatures. The increase in Curie temperature was justified by the Mn depletion of martensite. Assuming a linear relationship between the Curie temperature and Mn concentration, the average Mn concentration of martensite was expressed as a function of annealing temperature. The proposed method, which is applicable in a dilatometer with inductive heating, enables the ready estimation of Mn partitioning in intercritically annealed medium-and high-Mn steels.

机译：通过跟踪在暴露于连续更高的退火温度后，通过跟踪Martensite的静脉温度的变化来研究变形诱导的马氏体和Fe-18Mn-2Si-2Si-0.04C高Mn钢的奥氏体阶段之间的Mn分隔。居里温度的增加是由马氏体的耗竭的效果。假设居里温度和Mn浓度之间的线性关系，马氏体的平均Mn浓度表示为退火温度的函数。该方法适用于具有感应加热的膨胀计，使得能够在间歇退火的中和高Mn钢中估计Mn划分。

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来源
《Philosophical Magazine Letters》 |2018年第3期|共9页
作者
Dastur P.; Zarei-Hanzaki A.; Rahimi R.; Klemm V.; De Cooman B. C.; Mola J.;
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作者单位

Univ Tehran Complex Lab Hot Deformat &

Thermomech Proc High P Sch Met &

Mat Engn Coll Engn Tehran Iran;

Univ Tehran Complex Lab Hot Deformat &

Thermomech Proc High P Sch Met &

Mat Engn Coll Engn Tehran Iran;

Tech Univ Bergakad Freiberg Inst Iron &

Steel Technol Freiberg Germany;

Tech Univ Bergakad Freiberg Inst Mat Sci Freiberg Germany;

Pohang Univ Sci &

Technol Grad Inst Ferrous Technol Pohang South Korea;

Tech Univ Bergakad Freiberg Inst Iron &

Steel Technol Freiberg Germany;

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原文格式 PDF
正文语种 eng
中图分类物理学;
关键词
Medium-/high-Mn steel; Mn partitioning; dilatometry; Curie temperature;

机译：中/高Mn钢;Mn划分;膨胀测定;居里温度;

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1. Nanoscale partitioning of Mn between austenite and martensite revealed by Curie temperature variations [J] . Dastur P., Zarei-Hanzaki A., Rahimi R., Philosophical Magazine Letters . 2018,第1a3期

机译：居里温度变化揭示奥氏体和马氏体之间Mn纳米级分配
2. Different roles of reversed austenite, athermal martensite and tempered martensite on low-temperature toughness in ultra-low carbon medium Mn steel [J] . Zhang Danqi, Liu Gang, Sun Xinjun Materials Letters . 2021,第Auga15期

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3. Role of interplay of austenite and martensite phase fractions on the magnetocaloric and magnetoresistance effects across the martensite transition in Ni_(45)Mn_(44)Sn_7In_4 Heusler alloy near room temperature [J] . T. Chabri, Kartik Ghosh, D. Mukherjee, Journal of Applied Physics . 2020,第21期

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4. DETERMINATION OF THE MARTENSITE-AUSTENITE TRANSFORMATION TEMPERATURES IN NI-MN-GA ALLOYS [C] . S. P. Farrell, C. Hyatt, B. Armstrong International Conference on Shape Memory and Superelastic Technologies . 2004

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5. The Effects of Metastable Austenite and Martensite on the Susceptibility to Hydrogen Embrittlement of TBF Steels [D] . Bollinger, Andrea L. 2020

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6. Stress-induced detwinning and martensite transformation in an austenite Ni–Mn–Ga alloy with martensite cluster under uniaxial loading [O] . Long Hou, Ying Niu, Yanchao Dai, 2019

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7. Martensite to austenite reversion in a high-Mn steel: Partitioning-dependent two-stage kinetics revealed by atom probe tomography, in-situ magnetic measurements and simulation [O] . I.R. Souza Filho, A. Kwiatkowski da Silva, M.J.R. Sandim, 2019

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Nanoscale partitioning of Mn between austenite and martensite revealed by Curie temperature variations

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