Article
Biochemistry & Molecular Biology
Baosen Mi, Quan Wang, Yuhao Xu, Ziwei Qin, Zhuo Chen, Hongbin Wang
Summary: In order to improve the corrosion resistance and interfacial contact resistance (ICR) of 316L stainless steel used for bipolar plates in proton-exchange membrane fuel cells (PEMFCs), Cr, Ti co-doped amorphous carbon films were prepared on 316L stainless steel by magnetron sputtering. The structure and properties of the coating were studied after the change from Cr single-element doping to Cr and Ti co-doping. The result showed that the Cr and Ti co-doped amorphous carbon films had lower ICR and higher corrosion resistance compared with single-Cr-doped amorphous carbon films.
Article
Chemistry, Physical
Guanshui Ma, Jianghuai Yuan, Rende Chen, Hao Li, Haichen Wu, Jiangshan Yan, Zhenyu Wang, Aiying Wang
Summary: This study focuses on the fabrication of high-performance protective coatings on stainless steel using a combination of techniques, and investigates their corrosion resistance and conductivity properties. The results show that the coatings exhibit enhanced corrosion resistance and conductivity, with improved performance observed as the annealing time increases.
APPLIED SURFACE SCIENCE
(2022)
Article
Nanoscience & Nanotechnology
Wei Cao, Oded Hod, Michael Urbakh
Summary: We have discovered that the complex ferroelectric response of layered materials towards interlayer sliding is determined by the interlayer lattice registry. The entire sliding polarization landscape of two-dimensional layered material interfaces can be described using the polarization registry index (PRI), a simple geometric measure that quantifies the degree of interlayer commensurability. This tool not only aids in understanding the fundamental origin of 2D ferroelectricity, but also allows for efficient characterization and rationalization of existing experimental and computational evidence, as well as prediction of emergent controllable polarization in new noncentrosymmetric layered systems.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Hubin Zhang, Li Ding, Yong Pan, Xin Zhang, Meng Yang
Summary: The surface conductivity of 316L stainless steel is improved by the ion implantation of Cr, which leads to the formation of Cr oxide, Cr7C3, and Cr23C6. The interfacial contact resistance decreases with increasing implantation doses. In the cathodic environment, the minimum ICR is obtained at an accelerating voltage of 20 kV, while in the anodic environment, the minimum ICR is obtained at an accelerating voltage of 40 kV. The deeper distribution of Cr7C3 and Cr23C6 facilitates the formation of a more stable conductive pathway, reducing the ICR.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Physical
Yongjian Zhang, Ziyang Wang, Ning Li, Fangyuan Sun, Jinpeng Hao, Haijun Wu, Hailong Zhang
Summary: Introducing an interlayer is an effective method to improve the interfacial thermal conductance of highly mismatched Cu/diamond interface. The interfacial bonding effect and vibrational bridging effect of the interlayer play different roles in increasing the interfacial thermal conductance. The interfacial bonding effect mainly contributes to the increase in thermal conductance, while the vibrational bridging effect becomes dominant at higher interfacial bonding strengths.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Coatings & Films
Haoran Zhang, Shanlin Wang, Xianglin Yang, Shilei Hao, Yuhua Chen, Hongxiang Li, Dong Pan
Summary: The study found that by depositing a high amorphous content and low porosity Fe-based amorphous coating on the surface of WE43 magnesium alloy, excellent corrosion resistance and bonding strength are achieved, showing potential application in chloride environments.
SURFACE & COATINGS TECHNOLOGY
(2021)
Article
Materials Science, Coatings & Films
Y. J. Sun, R. Yang, L. Xie, Y. B. Li, S. L. Wang, H. X. Li, W. R. Wang, J. S. Zhang
Summary: To solve the corrosion problems of Al-Li alloys in marine environment, a Fe-based amorphous coating was sprayed on the 8090 Al-Li alloy. The coating mainly consists of amorphous splats and exhibits a strong adhesion strength. It provides a higher corrosion resistance compared to the bare alloy. However, the corrosion behavior of the coating is affected by the formation of a partially crystalline transition zone at the coating-alloy interface and the uneven passive film.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Xian-Zong Wang, Meng-Meng Zhang, Qian Hu, Shuo Su, Hong-Qiang Fan, Haifeng Wang, Jing-Li Luo
Summary: Developing a conductive and corrosion-resistant coating on metal bipolar plates is crucial for mitigating degradation in proton exchange membrane fuel cells caused by high cathodic transient potentials. In this study, a multilayer nanoscale C/Ti coating was prepared on SS316L and achieved an outstanding ICR of 1.59 m ohm cm2 and corrosion rate of 2 x 10-8 A/cm2. Analysis of the coating's microstructure and composition revealed that the significantly enhanced corrosion resistance is attributed to diffusional interfaces which optimize potential distribution across the coating and improve the transpassive potential of C/Ti/SS.
Article
Materials Science, Multidisciplinary
Zerong Zhang, Yuhai Qian, Jingjun Xu, Jun Zuo, Meishuan Li
Summary: The study found that three different types of Cr-Al-C coatings were obtained at different annealing temperatures, with the amorphous coating having the least impact on passivation behavior and the highest content of Cr2O3 on the film providing the best protection.
Article
Chemistry, Physical
Yong Gou, Haiping Chen, Ruiyu Li, Jiangtao Geng, Zhigang Shao
Summary: A ternary Nb-Cr-C film was successfully prepared and used for PEMFC bipolar plates, showing outstanding anti-corrosion and conductivity performance. The single cell with this coated titanium reached peak power density comparable to graphite plates, suggesting a potential material choice for PEMFC bipolar plates.
JOURNAL OF POWER SOURCES
(2022)
Article
Materials Science, Multidisciplinary
Jonghee Han, Jihyun Hong, Seoyeon Kwon, Haein Choi-Yim
Summary: Adding Cr to the Fe-Co alloy system improves the glass-forming ability, soft magnetic properties, and corrosion resistance. Higher Cr content leads to better corrosion resistance in the alloy. These findings suggest potential applications in various fields by optimizing the combination of soft magnetic properties and corrosion resistance through adjusting Cr contents.
Article
Biophysics
Fengjun Yin, Shun Lu, Cheng Song, Ying Zhao, Haitai Dong, Zongping Wang, Hong Liu
Summary: This article introduces a novel pulse-open circuit voltammetry (POV) method for characterizing the resistance distribution of bioanodes. The method allows for the measurement of reaction resistance and ohmic resistance of biofilms by integrating potentiostatic discharge and current interruption techniques. The results show that the reaction resistance is the main limiting factor, while the ohmic resistance is related to extracellular electron transfer behaviors. The method and cell platform have wide applications in bioanode construction and electroactive bacteria investigation.
BIOSENSORS & BIOELECTRONICS
(2022)
Article
Materials Science, Multidisciplinary
Xiaodong Yang, Meng Gao, Yanhui Liu, Jinlong Li, Yan Huang, Gang Wang, Jun-Qiang Wang, Juntao Huo
Summary: This study systematically investigated the corrosion behaviors and underlying mechanisms of high-temperature Ir-based amorphous alloys, revealing their excellent corrosion resistance is associated with the formation of a passive film.
Article
Materials Science, Multidisciplinary
Wei Li, Lin-Tao Liu, Zheng-Xian Li, Yan-Feng Wang, Hong-Zhan Li, Jia-Jun Lei
Summary: The introduction of Ti atoms in α-C film can significantly improve its electrical properties, corrosion resistance, stability under nobler potentials, and durability in service environments.
MATERIALS CHEMISTRY AND PHYSICS
(2022)
Review
Physics, Condensed Matter
Dengke Ma, Yuheng Xing, Lifa Zhang
Summary: This review focuses on the importance of heat dissipation and the decrease of interfacial thermal resistance (ITR) for integrated electronics and Li-ion battery-based devices. It discusses the widely used strategy of introducing interlayer to achieve this goal and the bonding effect and bridging effect as mechanisms to decrease ITR. Simulative and experimental studies are reviewed to explore the use of these effects in real materials and practical systems. The review also discusses the design rules and optimization of interlayers using machine learning algorithms, and proposes challenges and future directions in this field.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2023)
Article
Materials Science, Coatings & Films
Yanchun Xie, Xiaodong Wang, Shenshen Cui, Jiali Hu, Yongcun Wei, Yi Lian, Anwu Xuan, Bin Yu, Erlin Zhang
Summary: In this study, Ti-xFe (x = 3,5,9 wt%) alloys were surface modified by micro-arc oxidation (MAO) to improve their antimicrobial properties and biocompatibility. The results showed that increasing the oxidation voltage greatly enhanced the roughness and hydrophilicity of Ti-xFe-MAO alloys. The Ti-xFe alloys micro-arc oxidized at 250 V and 300 V exhibited improved corrosion resistance and excellent antimicrobial and cytocompatibility properties, making them suitable for orthopedic implant materials.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Yuting Hao, Zuoyan Ye, Lili Wang, Minheng Ye, Hui Dong, Chao Wang, Yunchen Du
Summary: This study focuses on the modification of PEO coatings on Ta-12W alloy using NH4F additive. The results show that ultra-low porosity coatings can be prepared by optimizing the NH4F content. The formation process of specific structures on the coating surface is discussed, and the effects of NH4F concentration and treatment duration on coating characteristics are investigated.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Yuanzhuo Liu, Linjiang Chai, Tao Yang, Chaodan Hu, Chuanmei Wang, Guoqiang Xi
Summary: By employing a pulsed laser, laser cladding was performed on IN718 alloy pre-coated with CrCoNi-TiC/SiC powders and three defect-free coatings were successfully prepared. The addition of TiC and SiC powders generated fine carbides dispersed in the coatings and led to changes in grain and substructure morphologies, resulting in increased hardness and wear resistance.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
M. Ghaemi, A. Lopez-Cazalilla, K. Sarakinos, G. J. Rosaz, C. P. A. Carlos, S. Leith, S. Calatroni, M. Himmerlich, F. Djurabekova
Summary: The use of high-power impulse magnetron sputtering can result in dense and uniform niobium films on all surfaces of superconducting rf cavities, as simulated and investigated in this study.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Jiaheng Du, Xinli Fan, Dongqin Xiao, Wuxiang Wang, Yiran Yin, Zhong Li, Kui He, Yanfei Tan, Jiyuan Yan, Gangli Liu, Ke Duan
Summary: This study investigated the electrophoretic deposition (EPD) of magnesium oxide (MgO) coatings on micro-arc oxidized titanium (MAO-Ti) and evaluated their in vitro antibacterial properties and biocompatibility. The results showed that MgO coatings significantly reduced bacterial numbers and biofilm formation, while also demonstrating good cytocompatibility and induction of osteoblast mineralization.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Samiksha Moharana, Yuichi Otsuka, R. Gnanamoorthy
Summary: The addition of titania to HAp coatings improves their wear resistance and reduces damage to titanium implants caused by debris generation. This study evaluates the fretting wear resistance of titania-added HAp suspension plasma spray coating and finds that it exhibits reduced friction coefficient and increased wear resistance.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Li-Ping Wu
Summary: The functional hazenite coating deposited on AZ31 Mg alloy showed improved roughness and hydrophilicity, enhanced biocompatibility, reduced degradation rate, and decreased susceptibility to stress corrosion cracking.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Ning Tian, Delei Xu, Jinfei Wei, Bucheng Li, Junping Zhang
Summary: This study reports the preparation of a superhydrophobic and anti-bacterial fabric for face masks. The fabric exhibits high superhydrophobicity and excellent moisture resistance, enabling functionality effectiveness in cold weather conditions. The fabric also demonstrates remarkable anti-bacterial activity against E. coli, attributed to the synergistic effect of superhydrophobicity and embedded ZnO nanoparticles. This superhydrophobic anti-bacterial fabric holds great potential for various practical applications in personal protective equipment, healthcare, and disease prevention.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Katharina Beck, Anke S. Ulrich, Andreas K. Czerny, Emma M. H. White, Martin Heilmaier, Mathias C. Galetz
Summary: Refractory metal based alloys have great potential as structural materials for high-temperature applications due to their high melting points. However, they are prone to catastrophic oxidation at around 700 degrees C. This study investigated the effect of aluminium diffusion coatings on the oxidation resistance of pure molybdenum, niobium, tantalum, and tungsten. The results showed that the aluminization improved the oxidation behavior and decreased the oxide growth rate for molybdenum and tantalum.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Wenwen Shuai, Haijun Dou, Zhichen Guan, Wei Qian, Zhibao Li, Yinqun Hua, Jie Cai
Summary: This study synthesized (Y1-xLax)3Al5O12 (x = 0, 0.1, 0.2, 0.3) materials by doping lanthanum ions, and found that the doped materials exhibited improved mechanical properties and thermal expansion coefficient, as well as enhanced resistance to CMAS corrosion. These materials have potential applications.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Xianglei Liu, Jiahui Ding, Wanbo Hou, Xinhao Shi, Tao Feng, Xiangyuan Meng, Shifeng Wen, Mingde Tong, Zhufeng Yue
Summary: A composite coating was developed to improve the adhesion, wear resistance, and corrosion resistance, which exhibited significant enhancements in these properties.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Hongxuan Xing, Jidong Li, Xianwei Hu, Liang Tian, Renyun Zhang, Yiyong Wang
Summary: By depositing a Cu/Co-Mo corrosion-resistant plating layer on the surface of 6061 Al alloy, the bonding strength between the alloy and the plating layer can be improved and the corrosion resistance can be enhanced. The composite coating forms an obvious three-layer structure with Co-Mo coating exhibiting amorphous characteristics and Co3Mo phase composition. The composite coating improves the corrosion resistance and hardness of the substrate, effectively protecting the 6061 Al alloy.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Fan Yang, Debin Wang, Tianrun Li, Baijun Yang, Suode Zhang, Jianqiang Wang
Summary: The impact-corrosion behavior of monolayer and hierarchical Fe-based amorphous coatings fabricated by HVAF was investigated in 3.5 wt% NaCl solution. The monolayer coating exhibits corrosion failure with increased impact energy, while the hierarchical coating shows improved resistance. However, at high impact energies, both coatings experience corrosion degradation.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Shoaib Ahmad, Muddasir Nawaz, Solaiman Mohammad, R. A. Shakoor, Ramazan Kahraman, Talal Mohammed Al Tahtamouni
Summary: This research presents a novel self-healing anti-corrosion composite coating that demonstrates higher inhibition efficiency and self-healing effect, providing protection for metallic structures against corrosive environments.
SURFACE & COATINGS TECHNOLOGY
(2024)
Article
Materials Science, Coatings & Films
Hui-Wen Peng, Chun-Hway Hsueh
Summary: A series of (CoCrNi)100-x-ySixNdy medium entropy alloy films with manipulated metalloid element, Si, and rare earth element, Nd, were synthesized using magnetron three-target co-sputtering. The films showed different structures and mechanical properties with varying Si and Nd contents. The optimized mechanical properties were observed in the film with Si0.61Nd5.14, attributed to precipitation strengthening and grain refinement.
SURFACE & COATINGS TECHNOLOGY
(2024)