High temperature oxidation and hot corrosion behaviors of Fe65.7Ni11.7Ti1Mo6.6Co15 high entropy alloy

被引：19
作者：
Ji, Feifei [1 ,2 ]
Wang, Zhao [1 ]
Wu, Liujun [1 ]
机构：
[1] Jiangsu Univ, Sch Mech Engn, Zhenjiang 212013, Peoples R China
[2] Suzhou Chien Shiung Inst Technol, Sch Intelligent Mfg, Suzhou 215000, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2022年 / 32卷
关键词：
High entropy alloy (HEA); High temperature oxidation; Hot corrosion; Mass gain; Surface morphologies; Cross-sectional morphologies; CR-NI ALLOY; MICROSTRUCTURE; CHLORIDES; NICKEL;
D O I：
10.1016/j.mtcomm.2022.104063
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Understanding the surface oxidation and hot corrosion properties of the Fe65.7Ni11.7Ti1Mo6.6Co15 high entropy alloy (HEA) at high temperatures and hot corrosion media could provide useful insights into designing the high performance of the metallic materials, which is indispensable for its wide applications. Herein, at about 1923 K, the HEA was prepared by vacuum induction melting with five principal metals (Fe, Ni, Ti, Mo, and Co) in the solid-solution form. The high temperature oxidation tests at 823 K, 923 K, and 1023 K, and the hot corrosion tests using mixtures of NaCl and Na2SO4 as the hot corrosion media at 923 K were carried out, respectively. High temperature oxidation and hot corrosion behaviors were investigated via surface and cross-section morphologies observation, oxidation and corrosion products tests, and chemical composition distribution maps analysis. The effect of temperature on the oxidation resistance, as well as the effect of the content of NaCl in the mixed salt medium on the hot corrosion resistance were revealed. The results show that the HEA exhibited good high temperature oxidation resistance at 923 K according to mass gain and products after oxidation. The higher content of NaCl in the mixed salt medium can bring more intense hot corrosion. In addition, more oxygen and molten salts can be migrated via cracks and dense pores, which is not conducive to enhancing the high tem-perature oxidation resistance and hot corrosion resistance.
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页数：11
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共 43 条
[1]   Corrosion in biomass combustion: A materials selection analysis and its interaction with corrosion mechanisms and mitigation strategies [J].
Antunes, Renato Altobelli ;
Lopes de Oliveira, Mara Cristina .
CORROSION SCIENCE, 2013, 76 :6-26
[2]   Effect of Mo and Ti on the microstructure and microhardness in AlCoFeNiMoTi high entropy alloys prepared by mechanical alloying and conventional sintering [J].
Avila-Rubio, M. A. ;
Baldenebro-Lopez, J. A. ;
Soto-Rojo, R. ;
Ceballos-Mendivil, L. G. ;
Carreno-Gallardo ;
Garza-Montes-de-Oca, N. F. ;
Baldenebro-Lopez, F. J. .
ADVANCED POWDER TECHNOLOGY, 2020, 31 (04) :1693-1701
[3]   High-Temperature Oxidation Behavior of Al-Co-Cr-Ni-(Fe or Si) Multicomponent High-Entropy Alloys [J].
Butler, T. M. ;
Alfano, J. P. ;
Martens, R. L. ;
Weaver, M. L. .
JOM, 2015, 67 (01) :246-259
[4]   Oxidation behavior of arc melted AlCoCrFeNi multi-component high-entropy alloys [J].
Butler, Todd M. ;
Weaver, Mark L. .
JOURNAL OF ALLOYS AND COMPOUNDS, 2016, 674 :229-244
[5]   Microstructural development in equiatomic multicomponent alloys [J].
Cantor, B ;
Chang, ITH ;
Knight, P ;
Vincent, AJB .
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2004, 375 :213-218
[6]   Comparison between cryogenic coolants effect on tool wear and surface integrity in finishing turning of Inconel 718 [J].
Chaabani, S. ;
Arrazola, P. J. ;
Ayed, Y. ;
Madariaga, A. ;
Tidu, A. ;
Germain, G. .
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2020, 285
[7]   Synergistic effect of Ti and Al on L12-phase design in CoCrFeNi-based high entropy alloys [J].
Chen, Da ;
He, Feng ;
Han, Bin ;
Wu, Qingfeng ;
Tong, Yang ;
Zhao, Yilu ;
Wang, Zhijun ;
Wang, Jincheng ;
Kai, Ji-jung .
INTERMETALLICS, 2019, 110
[8]   High temperature oxidation and hot corrosion behaviors of Ti2AlNb alloy at 923 K and 1023 K [J].
Dai, Jingjie ;
Sun, Caixia ;
Wang, Amin ;
Zhang, Hongxia ;
Li, Shouying ;
Zhang, Hailong .
CORROSION SCIENCE, 2021, 184
[9]   Effects of normal load and velocity on the dry sliding tribological behaviour of CoCrFeNiMo0.2 high entropy alloy [J].
Deng, Guanyu ;
Anh Kiet Tieu ;
Lan, Xiaodong ;
Su, Lihong ;
Wang, Long ;
Zhu, Qiang ;
Zhu, Hongtao .
TRIBOLOGY INTERNATIONAL, 2020, 144
[10]   Effect of Ta on the microstructure and mechanical properties of W-Ta alloys prepared by arc melting [J].
Duan, Xinyun ;
Huang, Yufeng ;
Liu, Wenyang ;
Cai, Qingshan ;
Liu, Wensheng ;
Ma, Yunzhu .
MATERIALS CHARACTERIZATION, 2022, 188
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