Article
Chemistry, Physical
Shixuan He, Guangxu Li, Ye Wang, Liu Liu, Zhaoqiu Lu, Li Xu, Peng Sheng, Xinhua Wang, Haiqiang Chen, Cunke Huang, Zhiqiang Lan, Wenzheng Zhou, Jin Guo, Haizhen Liu
Summary: TiB2 was introduced by ball milling to improve the decomposition performance of AlH3, forming Al-Ti-B solid solution through reaction. The AlH3 + 2.5 wt% TiB2 ball milled at 225 rpm for 108 min showed the best decomposition performance, starting decomposition at 78°C and stopping at 130°C with 8.5 wt% hydrogen released. This study provides an efficient strategy to achieve high hydrogen capacity and low decomposition temperature of metastable AlH3 through proper ball milling with metal borides.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2023)
Article
Engineering, Chemical
Dongdong Chen, Bowen Liu, Wei Xu, Ce Zhang, Enbo Guo, Jinchao Lu, Guyu Sun, Yu Pan, Jiazhen Zhang, Xin Lu
Summary: This study systematically investigates the effect of morphology of hydride-dehydrate titanium powder treated by high temperature ball milling on its flowability. The study finds that the fractal dimension of powder plays a main role in flowability, and only circularity has a strong correlation with flowability.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Chemistry, Physical
Baoguo Yuan, Aichuang Tang, Deguo Qian, Qiang Chen, Xiaoxue Zhang, Zhongyue Huang
Summary: The influence of hydrogen level on the compressive properties of TC21 alloy processed by thermohydrogen treatment at 1123 K was studied. The microstructures of the alloy were investigated and it was found that hydrogen level significantly affected the microstructures and compressive properties. As the hydrogen level increased, the yield strength initially decreased and then increased, while the deformation limit first slightly decreased, then increased to a maximum, and finally decreased. At a hydrogen level of 0.78 wt%, the deformation limit of TC21 alloy reached the highest value, showing an increase of 244.33% compared to the original alloy.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
K. S. Senkevich, O. Z. Pozhoga, E. A. Kudryavtsev, V. V. Zasypkin
Summary: The phase composition and microstructure of a rapidly solidified Ti2AlNb-based alloy containing hydrogen were studied for their effect on alloy deformation during ball milling and production of a fine-dispersed powder. It was found that hydrogen content significantly influenced the alloy's ductility and ball milling efficiency.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Engineering, Manufacturing
Burak Ozdemir, Erkan Bahce
Summary: This study aims to determine the deflection of the tool by image processing in the milling process. The method has shown that tool deviation can be detected more quickly and simply by image processing.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART B-JOURNAL OF ENGINEERING MANUFACTURE
(2022)
Article
Engineering, Chemical
Purvam Mehulkumar Gandhi, Siva Kumar Valluri, Mirko Schoenitz, Edward Dreizin
Summary: This study investigated the effects of liquid process control agents (PCA) on the properties of milled powders during high-energy ball milling. Correlations between different PCA properties and milling outcomes were identified. It was found that PCA density had an impact on particle and crystallite sizes, but its effect was less significant compared to other parameters. Particle size was strongly correlated with PCA proton affinity and surface tension for Bi2O3 and CuO, respectively, while crystallite size was most strongly correlated with PCA dynamic viscosity and density for Bi2O3 and CuO, respectively.
ADVANCED POWDER TECHNOLOGY
(2022)
Article
Automation & Control Systems
Changli Wang, Pengfei Ding, Xianzhen Huang, Tianhong Gao, Changyou Li, Ce Zhang
Summary: This paper proposes a reliability sensitivity analysis method for angular ball-end milling precision. Experimental and simulation results show that the tool deflection error model and the sensitivity calculation method have high precision.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2021)
Article
Nanoscience & Nanotechnology
T. Chen, H. Z. Lu, W. S. Cai, L. H. Liu, Z. Wang, C. Yang
Summary: We discovered a new hierarchical microstructure in ultrastrong Ti-6Al-4V composite with TiC reinforcement fabricated via pressureless sintering. The hierarchical microstructure consists of primary thick β-Ti laths surrounding coarse equiaxed α-Ti zones, which consist of cellular structures with ultrafine equiaxed α-Ti matrix and nano/ultrafine β-Ti lamellar. The hierarchical structure originates from the inhibiting effect of nano TiC particles on β-Ti grain growth and their role as nucleation sites for α-Ti grains. The hierarchical composite exhibits ultrahigh tensile yield strength, surpassing Ti-6Al-4V alloy and its sintered composites.
SCRIPTA MATERIALIA
(2023)
Article
Chemistry, Physical
Bhagyashri Gaykwad, Anupma Thakur, Anuj Buch, Kabeer Jasuja
Summary: In recent years, there has been renewed research interest in AlB2-type layered metal diborides due to their ability to yield XBenes. In this work, a scalable approach using high-energy ball milling is presented to exfoliate titanium diboride (TiB2) into multi-layer-thick nanosheets. The exfoliated TiB2 nanosheets retain their chemical integrity to a large extent and exhibit enhanced electrochemical activity.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Engineering, Chemical
Oguzhan Cuvalci, Temel Varol, Serhatcan Berk Akcay, Onur Guler, Aykut canakci
Summary: Cp-Ti particles were fabricated from titanium turning chips by wet-pre milling assisted mechanical milling, with different ball to powder ratios and milling times. The smallest particle size was achieved with a ball to powder weight ratio of 15:1, which was approximately 15 times smaller than powders produced with a ratio of 5:1. XRD analysis showed the presence of TiO2 (Anatase and Rutile) peaks in the structure of Cp-Ti particles fabricated after 4 hours of milling with a ball-to-powder ratio of 15:1. However, oxidation was not observed in the results of XRD analysis for milling with low ball to powder ratios (5:1 and 10:1). The lowest apparent density and hardness were measured at 2.45 g/cm3 and 126 HV, respectively, for powders milled for 0.5 hours. The highest apparent density and hardness were measured at 3.45 g/cm3 and 325 HV, respectively, for powders milled for 7 hours.
Article
Chemistry, Physical
Agata Baran, Michal Kniola, Tomasz Rogala, Marek Polanski
Summary: A new route of materials synthesis, high-temperature, high-pressure reactive planetary ball milling (HTPRM), is introduced in this study. It allows for the controlled mechanosynthesis of materials at temperatures up to 450 degrees C and pressures up to 100 bar of hydrogen. The successful synthesis of magnesium hydride is presented as an example of the application, demonstrating the great potential of this technique for the mechanochemical synthesis of materials.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Physical
F. Hadef, M. Ans
Summary: Nanocrystalline Fe50Al35Ni15 powder was synthesized by mechanical alloying, with phase transformations and structural changes investigated by X-ray diffraction. The end product consisted of a mixture of nanosized intermetallic phases and disordered solid solutions, with crystal size refinement observed and lattice strain increases due to plastic deformations. Diffusion of Ni atoms and delayed formation of intermetallic phases were also observed.
SURFACES AND INTERFACES
(2021)
Article
Chemistry, Physical
Wangbing Sun, Mingxuan Sun, Xianglong Meng, Yongqiang Zheng, Ziyang Li, Xiangzhi Huang, Muhammad Humayun
Summary: A series of alkynyl carbon functionalized N-TiO2 was successfully prepared by ball milling. The alkynyl carbon materials were successfully doped into N-TiO2, and the catalytic performance of alkynylated N-TiO2 for various organic dyes and NH3 production was significantly enhanced under visible light. The introduction of alkynyl carbon into semiconductor materials is a promising strategy for improving their photocatalytic properties.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Automation & Control Systems
Pei Han, Shucai Yang, Xin Tong
Summary: This article proposes the concept of a variable distribution density micro-textured ball end milling cutter based on texture effect to improve the service performance and machining efficiency of titanium alloy. Firstly, a variable density micro-texture model is established in the chip contact region of titanium alloy ball end milling. Secondly, a milling titanium alloy test platform is built to reveal the change law and mechanism of micro-texture parameters on the machined surface integrity. Finally, the integrity of the machined surface is comprehensively evaluated and the micro-texture parameters are optimized using the hierarchical structure weight method and fuzzy comprehensive evaluation theory. The experimental results show that the variable distribution density micro-texture has a positive effect on improving the machining quality of titanium alloy.
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
(2023)
Article
Materials Science, Ceramics
Hyeon-Myeong Oh, Young-Jo Park, Ha-Neul Kim, Jae-Woong Ko, Hyun-Kwuon Lee
Summary: This study presents highly transparent Y2O3 ceramics fabricated at 1500 degrees C without HIP treatment, achieving in-line transmittance levels of 77% and 84% at wavelengths of 400 and 1100 nm. The influence of ball size during grinding on the optical properties of the samples was demonstrated for the first time. Results showed that using 2 mm balls led to the best combination of fine-grained structure and pore-free microstructure with optimal in-line transmittance for Y2O3 ceramics.
CERAMICS INTERNATIONAL
(2021)
Article
Chemistry, Physical
Junhao Li, Zhongqi Liu, Wen Ma, Hongying Dong, Kefu Zhang, Ruigang Wang
JOURNAL OF POWER SOURCES
(2019)
Article
Materials Science, Paper & Wood
Chengyun Miao, Haishun Du, Mahesh Parit, Zhihua Jiang, Hareesh Tippur, Xinyu Zhang, Zhongqi Liu, Junhao Li, Ruigang Wang
Article
Chemistry, Physical
Zhongqi Liu, Junhao Li, Ruigang Wang
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2020)
Article
Construction & Building Technology
Yi Fang, Jialai Wang, Xin Qian, Liang Wang, Guangping Lin, Zhongqi Liu
CONSTRUCTION AND BUILDING MATERIALS
(2020)
Article
Nanoscience & Nanotechnology
Haoming Yan, Zhongqi Liu, Shize Yang, Xiaozhou Yu, Tao Liu, Qanying Guo, Junhao Li, Ruigang Wang, Qing Peng
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Chemistry, Physical
Yifan Wang, Zhongqi Liu, Ruigang Wang
Article
Electrochemistry
Miaomiao Zhang, Amit Nautiyal, Haishun Du, Junhao Li, Zhongqi Liu, Xinyu Zhang, Ruigang Wang
ELECTROCHIMICA ACTA
(2020)
Article
Chemistry, Physical
Shatila Sarwar, Ashraf Ali, Zhongqi Liu, Junhao Li, Sunil Uprety, Horyun Lee, Ruigang Wang, Minseo Park, Michael J. Bozack, Andrew J. Adamczyk, Xinyu Zhang
Summary: This study successfully synthesized 2D MoTe2 nanosheets on graphene substrate through an ultra-fast microwave-initiated method, demonstrating superior hydrogen evolution performance in acidic medium. MoTe2/graphene showed good electrocatalytic stability during long cycling tests and increased the specific surface area of catalyst materials.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Physical
Yang Lu, Zhongqi Liu, Seung Woon You, Lauren McLoughlin, Bailey Bridgers, Seth Hayes, Xifan Wang, Ruigang Wang, Zhanhu Guo, Evan K. Wujcik
Article
Chemistry, Physical
Junhao Li, Zhongqi Liu, Yifan Wang, Ruigang Wang
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Chemistry, Physical
Hao Cui, Zhongqi Liu, Pengfei Jia
Summary: Theoretical investigation suggests that Pd-doped C3N monolayer is a promising catalyst for CO oxidation with a preferred Eley-Rideal mechanism, showing low energy barriers and high efficiency even at room temperature.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Physical
Shatila Sarwar, Zhongqi Liu, Junhao Li, Yifan Wang, Ruigang Wang, Xinyu Zhang
JOURNAL OF ALLOYS AND COMPOUNDS
(2020)
Article
Chemistry, Physical
Xiao Han, Hoyun Won, Minyeong Choi, S. N. Vijayaraghavan, Zhongqi Liu, Ruigang Wang, Lin Li, Yang-Ki Hong, Feng Yan
Summary: The study deposited an alpha(1) phase alloy film on Pt/TiO2/SiO2/Si substrate and found that the coercivity of the film significantly increased after annealing, attributed to interdiffusion between the alpha(1) phase and the substrate. This led to a large magnetocrystalline anisotropy in the tetragonal L1(0) (Co, Fe, Ni)Pt film.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Yifan Wang, Zhongqi Liu, Matthew P. Confer, Junhao Li, Ruigang Wang
Summary: In this study, CeO2 nanorods were chemically etched and transition metal oxides were loaded on the surface to prepare catalysts. Results showed that the etching process enhanced low-temperature reducibility and catalytic performance, and the effect of CO adsorption mode on CO oxidation activity was discussed.
MOLECULAR CATALYSIS
(2021)
Article
Nanoscience & Nanotechnology
Zhongqi Liu, Yang Lu, Matthew P. Confer, Hao Cui, Junhao Li, Yudong Li, Yifan Wang, Shane C. Street, Evan K. Wujcik, Ruigang Wang
ACS APPLIED NANO MATERIALS
(2020)
