Article
Materials Science, Multidisciplinary
Namhun Kwon, Jong-Soo Byeon, Hyun Chul Kim, Sung Gue Heo, Soong Ju Oh, Sang-hoon Choi, Seok-Jun Seo, Kyoung-Tae Park
Summary: The study focused on deoxidizing Ti scrap through electrolytic refining and chemical reaction with MgCl2 molten salt electrolysis, resulting in an optimized process for reducing oxygen concentration. By controlling conditions and parameters, a more efficient deoxidation was achieved.
Article
Materials Science, Multidisciplinary
Yan Zhao, Xiang Chen, Jiakang Qu, Hongwei Xie, Kaifa Du, Pengfei Xing, Dihua Wang, Yuan Sun, Huayi Yin
Summary: This study proposes an enhanced corrosion strategy using molten salt as a medium to achieve the oxidation and pulverization of spent alloys, providing a green and general method for the recovery of valuable metals.
Article
Chemistry, Multidisciplinary
Handong Jiao, Mengjun Liu, Zhe Wang, Manpeng Lin, Zhaoliang Qu, Jianxun Song, Shuqiang Jiao
Summary: Molten salt electrorefining is a powerful technology for upcycling titanium scrap due to its ability to remove impurities. However, achieving stable operation is still a challenge for industrial applications, particularly in terms of the anode and cathode current efficiency. This study investigates the anodic dissolution and cathodic deposition processes of titanium under high-temperature operational conditions using a direct three-dimensional visualization method. The results show that the current efficiency is affected by the concentration of titanium ions in the melt.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Materials Science, Multidisciplinary
Liguo Zhu, Lingxin Kong, Chonglin Bai, Baoqiang Xu, Bin Yang
Summary: A novel process for preparing low-oxygen titanium powder was designed by adding YCl3 in molten salt, which resulted in the reduction of oxygen concentration and improved production efficiency.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Metallurgy & Metallurgical Engineering
Li-na Jiao, Qi-sheng Feng, Shi-yu He, Bao-hua Duan, Zhi-he Dou, Chong-he LI, Xiong-gang Lu
Summary: Yttrium can effectively remove oxygen from high-oxygen content TiAl scraps in a liquid chemical deoxidization process. The deoxidized TiAl scraps have a low oxygen content and the oxygen content increases with the increase of yttrium content and system pressure.
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
(2022)
Article
Metallurgy & Metallurgical Engineering
Yuki Nishioka, Xiao Yang, Fumitaka Tsukihashi
Summary: This study investigates the reaction behavior of solid ZnFe2O4 in molten MgCl2-KCl and demonstrates the feasibility of using MgCl2-based molten salt to treat electric arc furnace dust. The experimental results indicate the effective conversion of ZnFe2O4 into ZnCl2 and FeClx (x = 2 or 3) by MgCl2, allowing for the potential separation of zinc and iron. Improving mass transfer in the melt can accelerate the reaction.
ISIJ INTERNATIONAL
(2022)
Article
Materials Science, Multidisciplinary
Qi Liu, Zirui Wang, Weihua Liu, Huiqing Yin, Zhongfeng Tang, Yuan Qian
Summary: The corrosion behavior of Ni-Mo-Cr alloy samples in salt and vapor revealed that oxidation in vapor accelerated corrosion, while corrosion in liquid molten salt was less severe. The corrosion by salt vapor should not be neglected in practical applications.
Article
Multidisciplinary Sciences
Wenshuo Liang, Guimin Lu, Jianguo Yu
Summary: This work presents a concurrent learning scheme for generating machine learning interatomic potential for MgCl2-NaCl eutectic, resulting in accelerated ab initio estimation of its properties. The simulated results show reasonable agreement with experimental data, demonstrating the reliability and effectiveness of the training scheme and learned potential.
ADVANCED THEORY AND SIMULATIONS
(2022)
Article
Energy & Fuels
Qing Gong, Hao Shi, Yan Chai, Rui Yu, Alfons Weisenburger, Dihua Wang, Alexander Bonk, Thomas Bauer, Wenjin Ding
Summary: This study investigates the high-temperature corrosion in molten MgCl2-KCl-NaCl salt and finds that using affordable Fe-based alloys as structural materials can effectively control the corrosion rate below the target value. This research has significant implications for cost reduction in chloride-TES and increasing energy conversion efficiency in CSP systems.
Article
Materials Science, Ceramics
Mingge Yan, Qingming Xiong, Juntong Huang, Xifeng Hou, Lei Zhang, Xibao Li, Zhijun Feng
Summary: The study investigated the influence of carbon-template-growth mechanism on the synthesis of titanium carbide, showing that the visual morphologies of the TiC products mainly retained the shapes of the original carbon sources, confirming the control role of the carbon-template-growth mechanism in TiC formation.
CERAMICS INTERNATIONAL
(2021)
Article
Materials Science, Multidisciplinary
Kasey Hanson, Krishna Moorthi Sankar, Philippe F. Weck, Jacob K. Startt, Remi Dingreville, Chaitanya S. Deo, Joshua D. Sugar, Preet M. Singh
Summary: The study suggests that adding an optimum level of excess Mg to molten salt can prevent corrosion of alloys like 316 H, without forming any detectable Ni-Mg intermetallic phases on Ni-rich alloy surfaces.
Article
Energy & Fuels
Xiaodong Wang, Xinmei Yang, Miaomiao Hu, Huajian Liu, Shulin Liu, Xingtai Zhou
Summary: The research demonstrates that the corrosion depth of SiC and the concentrations of elements Si and B in the salt increase with the corrosion time, which are well fitted with Fick's law of diffusion.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2022)
Article
Electrochemistry
Mateen Mirza, Rema Abdulaziz, William C. Maskell, Chun Tan, Paul R. Shearing, Dan J. L. Brett
Summary: This study demonstrates an electrochemical reduction and recovery process of cobalt from LiCoO2 using a molten salt fluidised cathode technique, offering a potential simple, green, and high-throughput route for the efficient recovery of critical materials from spent Li-ion batteries.
ELECTROCHIMICA ACTA
(2021)
Article
Materials Science, Multidisciplinary
Jinghua Feng, Li Mao, Guangcui Yuan, Youyang Zhao, Judith Vidal, Li Emily Liu
Summary: This study evaluated the grain size effect of Inconel 625 film against molten chloride salt. It was found that larger grain size Inconel 625 exhibited better corrosion resistance by reducing Cr depletion. The ~ 2 nm surface NiO layer of Inconel 625 was unable to compensate for the negative effects caused by more initiation corrosion sites. Mo was the least likely leached element, and its enrichment occurred in Cr-depleted regions due to Mo diffusion. Mg and Cl were the two most common salt elements in all corroded samples, while K and Na only attacked Inconel 625 with the smallest grain size.
Review
Energy & Fuels
Carolina Villada, Wenjin Ding, Alexander Bonk, Thomas Bauer
Summary: This review discusses the selection, key properties, and working temperature range of MgCl2-KCl-NaCl salt as a TES/HTF material, as well as corrosion control strategies for addressing its corrosivity issue at high temperatures.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
(2021)