Article
Materials Science, Multidisciplinary
Tao Wang, Chong Chen, Jingbo Ma, Shizhong Wei, Mei Xiong, Feng Mao, Po Zhang, Guoshang Zhang
Summary: Medium carbon steels were hot-dipped in various Al-Si baths with different Si contents. The microstructures of the topcoat and intermetallic layer were analyzed using SEM, EDS, EBSD, and TEM. Isothermal sections and liquidus projection were calculated to understand the microstructure evolution of the aluminized steels. The Si content in the bath affected the formation and growth of intermetallic compounds, and also influenced the microstructure of the topcoat.
MATERIALS CHARACTERIZATION
(2023)
Article
Multidisciplinary Sciences
Deniz Iren, Marc Ackermann, Julian Gorfer, Gaurav Pujar, Sebastian Wesselmecking, Ulrich Krupp, Stefano Bromuri
Summary: Studying steel microstructures is crucial for understanding its mechanical characteristics, but identifying and differentiating complex structures like MA islands in bainitic steel can be challenging. The dataset provided includes a large amount of high-quality data for training machine learning models.
Article
Nanoscience & Nanotechnology
Matruprasad Rout, V. Murugabalaji
Summary: In this study, single-pass hot rolling was conducted on 304LN austenitic stainless steel at different initial sample temperatures. Tensile samples were prepared to investigate the variation in through-thickness tensile properties. The microstructure of the rolled samples was examined using the electron backscattered diffraction (EBSD) technique. Significant differences in ultimate tensile strength (UTS) were observed for the surface of samples rolled at 900 degrees C and 1100 degrees C, while the UTS values along the thickness direction did not differ much for samples rolled at 1000 degrees C. A significant deviation in total elongation was observed for the surface sample. Strain hardening exponent (n), strength coefficient (K), and strain hardening rate (theta) were considered to study the difference in tensile behavior. The through-thickness tensile properties were correlated to the microstructure and texture, which played an important role in the behavior.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2023)
Article
Materials Science, Multidisciplinary
Matruprasad Rout, Surjya K. Pal, Shiv Brat Singh
Summary: In this study, the microstructure evolution of austenitic stainless steel after deformation at elevated temperatures was investigated through thermo-mechanical processing. The results showed that at temperatures of 900 degrees C and 1000 degrees C, the microstructures of samples held for 2 seconds consisted of deformed grains, while the sample held at 1100 degrees C showed nearly complete recrystallization. The increase in holding time resulted in a decrease in low angle boundaries and an increase in high angle grain boundaries at all three temperatures.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Chemistry, Physical
Abeer Shehab, Athil Al-Ezzi, Ali Al Katawy
Summary: The research aimed to understand the morphology of zinc coating produced during hot dipping process on low-alloy steel based on iron-zinc phase diagram. Results showed that the coating is bonded to the steel surface through a sequence of Fe-Zn layers (alpha, delta, zeta) with uniform sloping hardness profile.
SURFACE REVIEW AND LETTERS
(2021)
Article
Chemistry, Physical
S. Martin, D. Sulik, X. F. Fang, H. Becker, A. Leineweber
Summary: The microstructure of a successfully applied Al-Si bond coating for the interconnection of cast aluminum alloy with a conventional steel substrate is analyzed. The bond coating consists of a columnar Al layer attached to the steel substrate with an intermetallic layer. Silicon grains precipitate between the Al layer and the intermetallic phases, forming ternary compounds. Shear tests confirm the successful connection of the bond coating with the steel substrate.
Article
Materials Science, Multidisciplinary
A. Lescur, E. Stergar, J. Lim, S. Hertele, R. H. Petrov
Summary: MYRRHA is an accelerator driven system using liquid Lead-Bismuth eutectic alloy as a spallation target and coolant. Although nuclear grade austenitic stainless steels are selected as main candidate structural materials, some materials exhibit unexpectedly poor mechanical properties due to the presence of intermetallic a-phase. In-depth microstructural analysis is necessary to identify and address this issue in order to prevent misinterpretation of embrittlement in the austenitic matrix.
MATERIALS CHARACTERIZATION
(2021)
Article
Metallurgy & Metallurgical Engineering
D. Pilone, A. Mondal, L. Zortea
Summary: The oxidation resistance of a TiAl-based alloy at high temperature has been improved by hot-dipping the alloy in molten aluminium and performing an interdiffusion process. The coated alloy forms a compact and uniform TiAl3 coating, which enables the formation of a continuous and thin protective alumina layer.
OXIDATION OF METALS
(2022)
Article
Chemistry, Physical
Elisabeta Mirela Cojocaru, Anna Nocivin, Doina Raducanu, Mariana Lucia Angelescu, Ion Cinca, Irina Varvara Balkan, Nicolae Serban, Vasile Danut Cojocaru
Summary: This paper analyzed the hot deformation behavior of UNS S32750 Super-Duplex Stainless Steel during upsetting processing, finding that the steel can be safely deformed between 1050-1275 degrees Celsius with a total deformation of 30%.
Article
Materials Science, Coatings & Films
Zongming Shao, Hao Yang, Siwei Zhang, Weiping Liu, Zunqi Xiao, Mingjie Zheng
Summary: The dense Fe-Al/Al2O3 coating fabricated by hot-dipping aluminizing method exhibits a high permeation reduction factor (PRF) after being oxidized, making it suitable for tritium systems in fusion reactors.
SURFACE & COATINGS TECHNOLOGY
(2022)
Article
Materials Science, Multidisciplinary
Hyungsoo Lee, Hi Won Jeong, Seong Moon Seo, Dae Won Yun, Kyungmi Park, Kwang Hyuk Yim, Young Soo Yoo
Summary: The study investigated the optimal process parameters of grade 250 maraging steel for hot forging using a process map and microstructure analysis. Flow stress-strain curves were calibrated by Bayesian artificial neural network modeling to compensate the heat generated by dynamic deformation. The Ni and Mo segregation during solidification impacted the recrystallization behavior during hot compression, revealing favorable process conditions for wide process windows.
METALS AND MATERIALS INTERNATIONAL
(2021)
Article
Nanoscience & Nanotechnology
Min-Seong Kim, Ki-Seong Park, Dong-Ik Kim, Jin-Yoo Suh, Jae-Hyeok Shim, Kyung Tae Hong, Shi-Hoon Choi
Summary: A multi-layered plate composed of high-Cr martensitic stainless steel with robust interfacial strength was produced through repetitive hot roll bonding at elevated temperature. The carbon content fluctuated along the thickness direction, and the multi-layered composite structure exhibited an effective combination of strength and ductility. Strong bonding at each interface was confirmed through tensile testing with in-situ observation during deformation.
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
(2021)
Article
Thermodynamics
Maja Voncina, Stanislav Kores, Ales Nagode, Jozef Medved
Summary: High pressure die casting is a leading casting process in modern industry. Research has shown that molten aluminium alloys interact with hot-work steel at high temperatures, forming a reaction layer which varies depending on the type of aluminium alloy and temperature.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Materials Science, Multidisciplinary
Yu-Liang Bai, Xue-Feng Liu
Summary: The influence of temperature on the interfacial reaction behavior of titanium/steel composite plate was studied. When the hot rolling temperature is not higher than 850 degrees C, an interfacial layer composed of submicron TiC layer and alpha-Ti/alpha-Fe is formed, and the interfacial bonding strength increases with the increase of rolling temperature. However, when the hot rolling temperature exceeds 900 degrees C, an interface layer composed of micro (FeTi+TiC)/Fe2Ti layer, nano FeTi/Fe2Ti layer and micro pores is formed, which seriously damages the interfacial bonding quality.
MATERIALS CHARACTERIZATION
(2023)
Article
Electrochemistry
Yang Li, Gang Kong, Chunshan Che, Delin Lai
Summary: This paper examines the growth process and mechanism of hot-dip galvanised Zn-5Al coating on steel under different bath temperatures and immersion times using SEM, EDS, and XRD. The growth of the coating is divided into three stages: initial incubation, rapid thickening, and steady detaching. The thickening of the coating is caused by the thickening and outbreak of the intermetallic layer. Increasing the immersion time leads to the discharge of liquid Zn from the intermetallic layer, resulting in rapid thickening and the formation of pores and cracks.
TRANSACTIONS OF THE INSTITUTE OF METAL FINISHING
(2023)
Article
Chemistry, Physical
Hsiao-Hung Liu, Wei-Jen Cheng, Chaur-Jeng Wang
APPLIED SURFACE SCIENCE
(2011)
Article
Chemistry, Physical
Wei-Jen Cheng, Chaur-Jeng Wang
APPLIED SURFACE SCIENCE
(2011)
Article
Chemistry, Physical
Wei-Jen Cheng, Chaur-Jeng Wang
APPLIED SURFACE SCIENCE
(2011)
Article
Chemistry, Physical
Wei-Jen Cheng, Chaur-Jeng Wang
APPLIED SURFACE SCIENCE
(2013)
Article
Chemistry, Physical
Wei-Jen Cheng, Chaur-Jeng Wang
APPLIED SURFACE SCIENCE
(2013)
Article
Chemistry, Physical
Wei-Jen Cheng, Chaur-Jeng Wang
Article
Materials Science, Multidisciplinary
M. Movahedi, A. H. Kokabi, S. M. Seyed Reihani, W. J. Cheng, C. J. Wang
MATERIALS & DESIGN
(2013)
Article
Materials Science, Multidisciplinary
Yo-Yu Chang, Wei-Jen Cheng, Chaur-Jeng Wang
MATERIALS CHARACTERIZATION
(2009)
Article
Materials Science, Multidisciplinary
Wei-Jen Cheng, Chaur-Jeng Wang
MATERIALS CHARACTERIZATION
(2010)
Article
Materials Science, Multidisciplinary
Wei-Jen Cheng, Chaur-Jeng Wang
MATERIALS CHARACTERIZATION
(2012)
Article
Materials Science, Multidisciplinary
Wei-Jen Cheng, Chaur-Jeng Wang
MATERIALS CHARACTERIZATION
(2012)
Article
Materials Science, Multidisciplinary
Wei-Jen Cheng, Yi-Jhang Liao, Chaur-Jeng Wang
MATERIALS CHARACTERIZATION
(2013)
Article
Materials Science, Multidisciplinary
M. Movahedi, A. H. Kokabi, S. M. Seyed Reihani, H. Najafi, S. A. Farzadfar, W. J. Cheng, C. J. Wang
MATERIALS CHARACTERIZATION
(2014)
Article
Materials Science, Coatings & Films
Wei-Jen Cheng, Chaur-Jeng Wang
SURFACE & COATINGS TECHNOLOGY
(2011)
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)