Article
Materials Science, Multidisciplinary
Guoqin Wu, Zhaocan Li, Jianmin Yu, Yunfang Liu, Zhimin Zhang, Beibei Dong, Huagui Huang
Summary: This study investigated the effects of different repetitive upsetting extrusion (RUE) deformation paths on the microstructures and mechanical properties of Mg-9.32Gd-3.72Y-1.68Zn-0.72Zr (wt%) alloy. The RUE ratio and cumulative strain have an impact on the dynamic recrystallization process and precipitation of b phases. The alignment of LPSO phase and adjustment of deformed grain size can enhance the alloy's strength and ductility.
MATERIALS & DESIGN
(2023)
Article
Nanoscience & Nanotechnology
N. Fakhar, M. Sabbaghian, P. Nagy, K. Fekete, J. Gubicza
Summary: The combination of repeated upsetting process and forward sheet extrusion led to the production of fine-grained ZK60 magnesium alloy sheets with low-temperature superplasticity. The presence of fully recrystallized microstructure with high-angle grain boundaries and thermally stable secondary phase particles were key factors for achieving superplasticity in the condition of 5 passes of repeated upsetting and subsequent extrusion. The dominant deformation mechanism during superplastic forming was grain boundary sliding accommodated by grain boundary diffusion, as indicated by the strain rate sensitivity index and activation energy values.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Metallurgy & Metallurgical Engineering
Zhengran Liu, Xi Zhao, Kai Chen, Siqi Wang, Xianwei Ren, Zhimin Zhang, Yong Xue
Summary: Isothermal repetitive upsetting extrusion (RUE) was used to process ZK60 magnesium alloy at 380 degrees C, resulting in refined grain size and improved elongation and superplasticity of the alloy. Texture evolution played a role in reducing the anisotropy of the alloy by changing the initiation ability of slip in different directions.
ACTA METALLURGICA SINICA-ENGLISH LETTERS
(2022)
Article
Nanoscience & Nanotechnology
Yuming Xie, Xiangchen Meng, Dongxin Mao, Yuexin Chang, Zhiwei Qin, Xiaotian Ma, Long Wan, Yongxian Huang
Summary: In this study, a deformation-driven modified high-alloy aluminum was proposed as an anode for primary aluminum-air batteries. The alloy exhibited homogeneous microstructures and suppressed self-corrosion, leading to improved power and energy densities of the batteries.
SCRIPTA MATERIALIA
(2022)
Article
Materials Science, Multidisciplinary
W. Xu, Y. C. Xin, B. Zhang, X. Y. Li
Summary: This study successfully addresses the issues of intergranular corrosion and stress corrosion cracking in high Mg-containing Al alloys by fabricating nanostructured Al-5Mg alloy with a high proportion of low angle grain boundaries through dynamic plastic deformation and appropriate annealing. The alloy shows excellent intergranular corrosion resistance and stress corrosion cracking resistance, as well as improved strength and ductility.
Article
Materials Science, Multidisciplinary
Jianwei Tang, Liang Chen, Zhigang Li, Guoqun Zhao, Cunsheng Zhang
Summary: During the solution treatment of extruded ZK60 Mg alloy, abnormal grain growth (AGG) occurred driven by stored energy gradient. The formation of abnormal grains led to a reduction in the corrosion rate of the alloy.
Article
Materials Science, Multidisciplinary
T. Liu, X. G. Wang, W. L. Li, Y. Zhang, C. K. Yu, K. Cui
Summary: The article demonstrates the genetic impact of Mg-Zr intermediate alloys using ZK60 extrusion plates. The results show that the homogenous distribution of submicron and nanoscale Zr particles is crucial for the quality of the ZK60 alloy. It reveals the genetic impact of intermediate alloys in the preparation of magnesium alloys.
Article
Materials Science, Multidisciplinary
Yugang Ye, Chao Liu, Yong Xue
Summary: A new upsetting process with a large height-to-diameter ratio is proposed to overcome the limitation of the traditional process. The study successfully upset a Mg-9.5Gd-4Y-2.2Zn-0.5Zr alloy bar with a height-to-diameter ratio of 6.5 and investigated its microstructure evolution. Dynamic recrystallization occurred during the process, resulting in significant microstructure refinement, with a maximum recrystallization ratio of 46.3% and an average grain size of 20.2 μm in the center of the billet.
Article
Engineering, Mechanical
Jing Xu, Bo Guan, Yunchang Xin, Xiao Li, Peidong Wu, Xiaoxu Huang, Qing Liu
Summary: This study systematically investigated the mechanism by which Li additions induce a more homogeneous deformation in Mg. The results showed that the addition of Li dramatically reduced the critical resolved shear stress of pyramidal (c+a) slip, facilitating easy and uniform deformation propagation and improving deformation homogeneity.
INTERNATIONAL JOURNAL OF PLASTICITY
(2023)
Article
Nanoscience & Nanotechnology
Lin Pi, Junjie He, Xinpei Zhang, Yang Chen, Ming Liang, Guangjie Xue, Xiaoyu Yang, Meng Xing, Kai Xiong, Shunmeng Zhang, Yong Mao
Summary: The effect of Li element on the microstructure and texture evolutions of Mg-2Zn alloy sheet during room temperature bending was investigated. The addition of 3 wt.% Li modified the texture of the extruded Mg-2Zn sheet, resulting in improved bendability. The TD-elongated texture distribution provided more efficient deformation modes during bending, releasing the thickness strain more effectively compared to the extruded Mg-2Zn sheet.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Biophysics
Xian Wei, Jiyang Ma, Sujie Ma, Pinduo Liu, Hong Qing, Qing Zhao
Summary: Magnesium and its alloys have promising mechanical properties and biocompatibility, but their fast corrosion rate hinders their development in the biomedical field. This study used less-toxic hydroxyl ion implantation to form a functionalized oxide layer on the magnesium alloy surface, which significantly improved the corrosion resistance and biocompatibility of the material.
COLLOIDS AND SURFACES B-BIOINTERFACES
(2022)
Review
Materials Science, Multidisciplinary
Temitope Olumide Olugbade
Summary: This article mainly introduces the advantages of aluminium alloys and their localized corrosion problems, as well as methods to address these problems. The formation of gradient-structured layers through severe plastic deformation and heat treatments/coatings is the main approach to overcome the shortcomings of aluminium alloys. The corrosion properties of severely plastic-deformed aluminium alloys obtained via different methods were extensively reviewed and summarized. The corrosion mechanisms and factors responsible for the improvement or deterioration in corrosion resistance of aluminium alloys after surface modification were discussed, and future prospects and research trends were summarized.
METALS AND MATERIALS INTERNATIONAL
(2023)
Review
Metallurgy & Metallurgical Engineering
Ahmad Bahmani, Mehrab Lotfpour, Milad Taghizadeh, Woo-Jin Kim
Summary: Magnesium (Mg) alloys have advantages and disadvantages. Severe plastic deformation (SPD) can improve the microstructure and enhance the strength and formability of Mg alloys. However, the effects of SPD on the corrosion of Mg alloys are controversial. Therefore, it is important to review the literature on the corrosion properties of Mg alloys prepared by SPD and understand the mechanisms controlling their corrosion behavior.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Article
Materials Science, Multidisciplinary
Yongmin Wang, Zhuangzhuang Li, Yan Wang, Tianyi Sun, Zhixin Ba
Summary: This study aims to improve the corrosion resistance of ZK60 magnesium alloy by preparing hydroxide films on its surface. The results showed that hydroxide films composed of Mg(OH)(2) and Mn(OH)(2) could be fabricated using a hydrothermal method. These films significantly reduced the corrosion current density in a simulated body fluid and provided long-term protection for the substrate.
Article
Materials Science, Multidisciplinary
Abbas Mohammadi, Marc Novelli, Makoto Arita, Jae Wung Bae, Hyoung Seop Kim, Thierry Grosdidier, Kaveh Edalati
Summary: High-strength materials often lack resistance to hydrogen embrittlement. In this study, gradient structures with surface nanotwins were introduced in a high-entropy alloy, resulting in materials with both high strength and good ductility under hydrogen. This research is significant for the development of hydrogen-resistant materials.
Article
Materials Science, Multidisciplinary
M. Sabbaghian, R. Mahmudi
Summary: Friction stir processing (FSP) was used to refine the grain structure of hot-rolled Mg-3Gd-1Zn (GZ31) alloy, resulting in superplastic behavior. The high m-value and low activation energy observed in the fine equiaxed grains with a high fraction of grain boundaries sliding (GBS) around 87% indicate the occurrence of superplasticity.
MATERIALS CHARACTERIZATION
(2021)
Article
Materials Science, Multidisciplinary
M. Sabbaghian, R. Mahmudi, K. S. Shin
Summary: The study investigated the effect of adding 1 wt pct Gd on the microstructural evolution, mechanical properties and bio-corrosion behavior of a biodegradable Mg-4Zn alloy. The addition of Gd resulted in finer grain size, enhanced textural hardening, and significantly improved mechanical properties. Electron backscattered diffraction analysis showed higher pitting susceptibility in the corroded surfaces of the Gd-containing alloy.
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
N. Fakhar, M. Sabbaghian, P. Nagy, K. Fekete, J. Gubicza
Summary: The combination of repeated upsetting process and forward sheet extrusion led to the production of fine-grained ZK60 magnesium alloy sheets with low-temperature superplasticity. The presence of fully recrystallized microstructure with high-angle grain boundaries and thermally stable secondary phase particles were key factors for achieving superplasticity in the condition of 5 passes of repeated upsetting and subsequent extrusion. The dominant deformation mechanism during superplastic forming was grain boundary sliding accommodated by grain boundary diffusion, as indicated by the strain rate sensitivity index and activation energy values.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Nanoscience & Nanotechnology
M. Sabbaghian, N. Fakhar, P. Nagy, K. Fekete, J. Gubicza
Summary: The microstructure, texture, and mechanical behavior of ZK60 magnesium alloys were investigated through hot rolling and sheet extrusion techniques. It was found that the extrusion process improved tensile properties, but did not affect deformability in shear punch test (SPT). This was attributed to the hindering effect of Mg4Zn7 particles on the glide of pyramidal dislocations in SPT, despite the positive effect of grain refinement on ductility.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Nanoscience & Nanotechnology
M. Sabbaghian, R. Mahmudi, K. S. Shin
Summary: The influence of equal channel angular pressing (ECAP) and simple shear extrusion (SSE) on the microstructure, texture development, and mechanical properties of Mg-4Zn alloy was investigated. It was found that SSE resulted in smaller grain sizes and a different texture development compared to ECAP. Both ECAP and SSE improved the strength of the alloy, but SSE showed better results.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2022)
Article
Materials Science, Multidisciplinary
Xiaohuan Pan, Lifei Wang, Liangliang Xue, Mahdi Sabbaghian, Pengbin Lu, Wei Wu, Guangsheng Huang, Bin Xing, Hongxia Wang
Summary: This study investigates the dynamic recrystallization, twinning behaviors, and mechanical response of AZ31 Mg alloy sheet pre-twinned in the transverse direction at room temperature. The strain path angle is found to significantly affect the microstructural evolution and mechanical response. Continuous dynamic recrystallization and detwinning play important roles in coordinating strain at different strain path angles. Both strengthening and weakening effects are observed in the pre-twinned samples.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2022)
Article
Nanoscience & Nanotechnology
G. Faraji, M. Sabbaghian, A. R. Geranmayeh, R. Mahmudi
Summary: The microstructure, shear strength, and bio-corrosion behavior of extruded Mg-2Zn-1Mn, Mg-2Zn1Gd, and Mg-2Al-1Mn alloys were investigated for developing degradable implant alloys. The AM21 alloy showed higher strength and resistance to corrosion due to its uniform structure, finer grain size, and presence of an Al- and Mn-containing oxide layer on the surface. The new SSRS test proved to be a suitable method for studying stress corrosion cracking behavior in small Mg samples.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2022)
Article
Metallurgy & Metallurgical Engineering
N. Fakhar, M. Sabbaghian
Summary: Fine-grained ZK60 alloy sheets were produced using the DECLE process and sheet extrusion, and the hot shear deformation behavior was studied. The constitutive equations based on shear punch test results revealed that dislocation creep was the main deformation mechanism, and the material constants n and Q were influenced by microstructural factors.
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
(2022)
Article
Materials Science, Multidisciplinary
Naeimeh Fakhar, Ehsan Khademi, Mahdi Sabbaghian, Amir Momeni, Faramarz Fereshteh-Saniee, Peter Nagy, Abel Szabo, Jeno Gubicza
Summary: This study investigates the effect of Dual Equal Channel Lateral Extrusion (DECLE) on the microstructural evolution and mechanical behavior of an annealed AA5083 aluminum alloy. The results show that DECLE is effective in grain refinement and can significantly reduce the grain size. The material constants, such as the stress exponent and activation energy, are found to be influenced by factors such as grain size, high-angle grain boundaries (HAGBs), dislocation density, and second phase particles fraction.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Materials Science, Multidisciplinary
S. Najafi, M. Sabbaghian, A. Sheikhani, P. Nagy, K. Fekete, J. Gubicza
Summary: The microstructure, texture, and mechanical properties of extruded ZK60 alloys containing different rare earth elements (RE) were studied. The addition of RE elements refined the grain size and enhanced the shear strength of the alloys.
METALS AND MATERIALS INTERNATIONAL
(2023)
Article
Materials Science, Multidisciplinary
M. Sabbaghian, B. Ebrahimpourghandi, R. Mahmudi
Summary: The effects of hot extrusion on the microstructure, shear strength, bio-corrosion and stress corrosion cracking (SCC) behavior of the as-cast Mg-2.5Gd-0.5Zr alloy were investigated. The extruded alloy exhibited higher strength and lower ductility after shear testing, and decreased strength and ductility after SCC tests in the corrosive medium. The improved mechanical properties and corrosion resistance of the extruded alloy were attributed to the refinement of grain structure and absence of coarse second-phase particles.
Article
Chemistry, Physical
Soroush Najafi, Alireza Sheikhani, Mahdi Sabbaghian, Peter Nagy, Klaudia Fekete, Jeno Gubicza
Summary: The influence of rare earth (RE) elements on the microstructure and mechanical performance of an extruded ZK60 Mg alloy was investigated. The addition of Y and Ce-rich RE elements resulted in finer grain size, the formation of new precipitates, and changes in the initial fiber texture. As a result, the strength increased and the ductility decreased. The work hardening capacity and the hardening exponent of the alloy were reduced due to grain refinement.
Article
Chemistry, Physical
J. Zamora, T. Bautista, N. S. Portillo-Velez, A. Reyes-Montero, H. Pfeiffer, F. Sanchez-Ochoa, H. A. Lara-Garcia
Summary: Experimental and DFT studies were conducted on the structural, magnetic, and optical properties of RFeO3 perovskites. The perovskites exhibited an orthorhombic crystal structure and weak ferromagnetic behavior. They were confirmed to be semiconductors with a bandgap of approximately 2.1 eV.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xianxiang Lv, Jing Jin, Weiguang Yang
Summary: By depositing TiN and TiO2 surface layers on AlSi films, the electrochemical performance of silicon-based anodes can be significantly improved, suppressing volume expansion and promoting the formation of a stable SEI layer.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Sharafat Ali, Haider Ali, Syedul Hasnain Bakhtiar, Sajjad Ali, Muhammad Zahid, Ahmed Ismail, Pir Muhammad Ismail, Amir Zada, Imran Khan, Huahai Shen, Rizwan Ullah, Habib Khan, Mohamed Bououdina, Xiaoqiang Wu, Fazal Raziq, Liang Qiao
Summary: The construction and optimization of redox-heterojunctions using a bifunctional phosphate as an electron-bridge demonstrated significant improvements in photo catalytic activity, including enhanced dispersion, reduced interfacial migration resistance, and increased abundance of active-sites.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ren-Ni Luan, Na Xu, Chao-Ran Li, Zhi-Jie Zhang, Yu-Sheng Zhang, Jun Nan, Shu-Tao Wang, Yong-Ming Chai, Bin Dong
Summary: Extensive research has revealed that oxygen evolution reaction (OER) in alkaline conditions involves dynamic surface restructuring. The development and design of sulfide/oxide pre-catalysts can reasonably adjust the composition and structure after surface reconstruction, which is crucial for OER. This study utilized a simple two-step hydrothermal method to achieve in situ S leaching and doping, inducing the composition change and structure reconstruction of CoFe oxides. The transformed FeOOH and CoOOH exhibited excellent OER activity and could be easily mass-produced using low-cost iron based materials and simple methods.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jun'an Lai, Daofu Wu, Peng He, Kang An, Yijia Wang, Peng Feng, WeiWei Chen, Zixian Wang, Linfeng Guo, Xiaosheng Tang
Summary: Zero-dimensional organic-inorganic metal halides (OMHs) are gaining attention in the fabrication of light-emitting diodes due to their broad emission band and high photoluminescence quantum yield. This work synthesized a zero-dimensional organic tetraphenylphosphonium bismuth chloride (TBC) that showed efficient blue light emission, with the emission mechanism attributed to the transition of Bi3+ ions. White light-emitting diodes (WLEDs) were fabricated using TBC, along with green-emitting and red-emitting single crystals, achieving single-component white emissions. These findings demonstrate the different emission mechanism of ns2 ions-based OMHs and highlight the potential of bismuth-based OMHs in WLEDs applications.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xuewei Liang, Yunhai Su, Taisen Yang, Zhiyong Dai, Yingdi Wang, Xingping Yong
Summary: The revolutionary design concept of high-entropy alloys has brought new opportunities and challenges to the development of advanced metal materials. In this work, AlCrCuFe2NiTix high-entropy flux cored wires were prepared by combining the design idea of a high-entropy alloy with the characteristics of flux cored wire. AlCr-CuFe2NiTix high-entropy surfacing alloys were prepared using gas metal arc welding technology. The wear properties of the alloys were analyzed, and the phase composition, microstructure, strengthening mechanism, and wear mechanism were discussed. The results show that the alloys exhibit a dendritic microstructure with BCC/B2 + FCC phases. Increasing Ti content leads to the precipitation of Laves phase. The alloys show improved microhardness and wear resistance due to the precipitation of coherent B2 and Laves phases. However, excessive Ti addition results in the increase of Laves phase and reduced wear resistance of the alloys.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
M. Vadivel, M. Senthil Pandian, P. Ramasamy, Qiang Jing, Bo Liu
Summary: This work presents the enhanced photocatalytic and electrochemical performance of g-C3N4 assisted PAA on CoFe2O4 ternary nanocomposites. The incorporation of PAA and g-C3N4 improves the separation efficiency of photogenerated charge carriers, resulting in superior photocatalytic degradation and high specific capacitance values.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Vibhu T. Sivanandan, Ramany Revathy, Arun S. Prasad
Summary: In this study, pure and doped cobalt ferrite nanoparticles were prepared using the sol-gel auto-combustion method with the aid of lemon juice as eco-fuel. The crystal structure, lattice parameter, crystallite size, microstrain, optical parameters, and room temperature magnetic properties of the samples were analyzed. The effect of doping on the magnetic properties was also investigated.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qing Guo, Bowen Zhang, Benzhe Sun, Yang Qi
Summary: This study prepared ZnO films with various nonpolar preferred orientations using conventional chemical bath deposition method and characterized their growth process and mechanism. It was found that the type and concentration of nitrate could control the preferred orientation and surface roughness of ZnO films. Additionally, ZnO films with different preferred orientations exhibited different optical properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Chong Zhang, Yan Liu, Zhaoyan Wang, Hang Yang
Summary: In this study, six bimetallic FeCo particles were synthesized via the hydrothermal method at different Fe:Co ratios. The Fe:Co ratio not only modulates the composition of the particles but also influences their structure and magnetic properties. The FeCo alloys showed a transformation from an Fe-based structure to a Co-based structure with increasing Co content. The Fe:Co ratio of 1:1 and 3:1 resulted in particles with the highest and lowest saturation magnetization, respectively.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Jianning Zhang, Jing Li, Yiren Wang, Xiaodong Mao, Yong Jiang
Summary: We conducted a study on the formation of ultra-fine Y-Ti-Ta-O nano-oxides in Ta+B micro-alloyed 13CrWTi-ODS alloys using electron microscopy and first-principles calculations. The Y-Ti-Ta-O nano-oxides were found to be mainly Y2(Ti,Ta)2O7, with an average size of 7 nm and a number density of 6.8 x 1023 m-3. Excess boron was found to enhance the adhesion of some low-sigma grain boundaries but weaken the Fe/Y2Ti2O7 interface, while excess tantalum enhanced the Fe/Y2Ti2O7 interface but caused serious degradation of grain boundaries.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Yirong Fang, Pei Cheng, Hang Yuan, Hao Zhao, Lishu Zhang
Summary: A new composite system of nitrogen-doped reduced graphene oxide and black phosphorus quantum dots has been developed for tumor therapy, showing improved electrochemical properties and stability. The system generates hydrogen peroxide and hydroxyl radical to effectively kill tumor cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Xiufang Qin, Yuanli Ma, Hui Zhang, Ting Zhang, Fang Wang, Xiaohong Xu
Summary: The structure and magnetism of cobalt ferrites after Mn2+-Tb3+ co-doping were studied. Co-doped samples exhibited cubic spinel structure and spherical shape of ferrite nanoparticles. The redistribution of Co2+ and Fe3+ ions between octahedral and tetrahedral sites was observed due to Mn2+-Tb3+ co-doping. The coercivity and magnetization saturation of co-doped samples were significantly improved, leading to a maximum energy product that is 190% higher than that of the un-doped sample.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Ho Yeon Lee, Wonjong Yu, Yoon Ho Lee
Summary: Recently, there has been an increasing interest in developing ultra-fine nanostructured electrodes with extensive reaction areas to enhance the performance and low-temperature operation of solid oxide fuel cells. The use of a refined approach involving co-sputtering metal alloys and oxide targets has demonstrated the feasibility of nano-columnar structures in perovskite-based electrodes, expanding the temperature range of thin film electrodes. This study systematically examines the effects of chamber pressure control in the co-sputtering process and identifies the intricate relationship between sputtering pressure and film structure. By fine-tuning the columnar growth in the electrode, significant improvements in performance and thermo-mechanical properties were achieved, resulting in high-performance all-sputtered solid oxide fuel cells.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
Article
Chemistry, Physical
Qianyun Bai, Xiaoxiao Yan, Da Liu, Kang Xiang, Xin Tu, Yanhui Guo, Renbing Wu
Summary: This study proposes a simple method to develop a non-precious transition metal-based electrocatalyst with high catalytic activity and robustness for the hydrogen evolution reaction. The as-synthesized electrode exhibits a low overpotential and high current density, indicating its potential in energy conversion.
JOURNAL OF ALLOYS AND COMPOUNDS
(2024)
