Article
Chemistry, Physical
Shuo Wang, Zhipeng Guo, Jinwu Kang, Meishuai Zou, Xiaodong Li, Ang Zhang, Wenjia Du, Wei Zhang, Tung Lik Lee, Shoumei Xiong, Jiawei Mi
Summary: This paper studied the dynamics of multi-dendrite concurrent growth and coarsening of an Al-15 wt.% Cu alloy using a highly computationally efficient 3D phase field model and real-time synchrotron X-ray micro-tomography. The results indicated that the multi-dendrite coarsening mechanisms obey the Lifshitz-Slyozov-Wagner theory with a higher constant of n = 4.3.
Article
Chemistry, Physical
Shuaitong Liang, Haiting Shi, Zhenjiang Yu, Qingsong Liu, Kedi Cai, Jiajun Wang, Zhiwei Xu
Summary: The study proposes material design rules for conversion anodes in potassium-ion batteries through dimensional engineering, aiming to improve performance. The multi-dimensional flower like structure exhibits better ion transport network and structural stability compared to low-dimensional structures.
ENERGY STORAGE MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Ryan Schoell, Li Xi, Yuchen Zhao, Xin Wu, Yu Hong, Zhenzhen Yu, Peter Kenesei, Jonathan Almer, Zeev Shayer, Djamel Kaoumi
Summary: This study conducted in-situ experiments and subsequent electron microscopy characterization to reveal the insignificant role of deformation-induced martensite in chlorine-induced stress-corrosion cracking (CISCC), the influence of stress intensity on crack branching types, and the presence of dissolution mechanism.
MATERIALS CHARACTERIZATION
(2022)
Review
Chemistry, Physical
Fengcheng Tang, Zhibin Wu, Chao Yang, Markus Osenberg, Andre Hilger, Kang Dong, Henning Markoetter, Ingo Manke, Fu Sun, Libao Chen, Guanglei Cui
Summary: The synchrotron X-ray tomography technique is crucial for understanding the evolving electrode materials in 3D states during battery operation. Its applications in battery research have been growing, providing valuable insights and potential for future studies. Understanding the principles, applications, and future opportunities of this technique is essential for advancing the field of rechargeable battery research.
Article
Materials Science, Multidisciplinary
Zihan Song, Oxana Magdysyuk, Tay Sparks, Yu-Lung Chiu, Biao Cai
Summary: This study used high-speed synchrotron X-ray tomography to investigate the growth of Al2Cu intermetallic compounds in Al-45wt%Cu alloy during solidification. Two growth patterns, basic units, and dendrites, were identified. The orientation and morphology of these patterns were strongly influenced by solidification conditions. Additionally, it was found that the imposition of a transverse magnetic field during upward directional solidification resulted in highly refined and well-aligned Al2Cu intermetallic compounds, attributed to the modulation of temperature and solute distribution by a rotational stirring flow.
Article
Materials Science, Multidisciplinary
Ryota Abe, Yuta Takahashi, Yuta Watanabe, Gaku Okuma, Fumihiro Wakai
Summary: When a two-phase material has a bicontinuous and interpenetrating structure, the coarsening process during thermal annealing involves complex changes in morphology. This study demonstrates that the coarsening of bicontinuous solid/solid two-phase material is accelerated by stress-induced instability similar to the ATG instability occurring in thin films. The analysis of stress-induced instability provides methods for improving the lifetime and reliability of electronic devices under thermal cycling.
Article
Materials Science, Ceramics
Gaku Okuma, Toshio Osada, Haruki Minagawa, Yutaro Arai, Ryo Inoue, Hideki Kakisawa, Kazuya Shimoda, Akihisa Takeuchi, Masayuki Uesugi, Satoshi Tanaka, Fumihiro Wakai
Summary: In this study, the complex domain structures and heterogeneous distribution of residual pores in powder compacts during uniaxial die compaction and sintering were characterized using synchrotron X-ray multiscale-CT and scanning electron microscopy (SEM). The results revealed the formation mechanism of the non-uniform distribution of fine residual pores and provided new possibilities for optimizing ceramic processing.
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
(2023)
Article
Materials Science, Multidisciplinary
Gaku Okuma, Naoya Saito, Kotaro Mizuno, Yoshiki Iwazaki, Hiroshi Kishi, Akihisa Takeuchi, Masayuki Uesugi, Kentaro Uesugi, Fumihiro Wakai
Summary: Synchrotron X-ray nano computed tomography was used to investigate the microstructural evolution during co-sintering of multi-layer ceramic capacitors. The study revealed that reducing electrode thickness can lead to internal electrode defects, and the discontinuous electrode region contains round holes and irregularly-shaped channels, while the evolution of electrode morphology is influenced by surface/interface diffusion.
Correction
Biochemistry & Molecular Biology
Hiromi Miki, Akio Yoneyama, Keiichi Hirano
Summary: The research visualized the morphological structures of rice grains in precooked products using synchrotron radiation X-ray phase-contrast computed tomography.
Article
Chemistry, Multidisciplinary
Shuaitong Liang, Zhenjiang Yu, Tianshuai Ma, Haiting Shi, Qingqing Wu, Lijie Ci, Yujin Tong, Jiajun Wang, Zhiwei Xu
Summary: By modulating the electronic structure, it is possible to alleviate internal strain caused by potassium ions and improve the structural stability of battery anodes, providing a new pathway towards highly stable potassium ion batteries.
Article
Energy & Fuels
Shahabeddin Dayani, Henning Markoetter, Anita Schmidt, Martinus Putra Widjaja, Giovanni Bruno
Summary: The effectiveness of several X-ray computer tomography techniques for studying commercial batteries is demonstrated in this paper. General guidelines are provided for selecting suitable imaging equipment and parameters for investigations of lithium-ion batteries at different length scales. Safety mechanisms, manufacturing inconsistencies, defects, and inhomogeneity in batteries are illustrated and quantified. The relationship between beam energy, sample-detector distance, and contrast retrieved from attenuation and phase shift is examined using Synchrotron XCT.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Biochemistry & Molecular Biology
Marco Cammarata, Francesco Piazza, German Rivas, Giorgio Schiro, Piero Andrea Temussi, Annalisa Pastore
Summary: Taking into account the presence of crowded environment in macromolecules is crucial in biology. Molecular crowding affects protein motions, stability, and kinetics. New research approaches, including synchrotron radiation, have been developed to study molecular crowding. The New Frontiers in Molecular Crowding meeting discussed recent advancements and emphasized the need for enhanced communication, resource-sharing, and education to foster further growth in the field.
FRONTIERS IN MOLECULAR BIOSCIENCES
(2023)
Article
Engineering, Mechanical
Aliaksandra Tsitova, Fabien Bernachy-Barbe, Benoit Bary, Christophe Bourcier, Francois Hild
Summary: The identification of fracture properties of mortar was achieved through numerical analyses of two in situ mesoflexural tests on small-scale specimens. The experimental kinematic fields were measured by processing the reconstructed volumes via Digital Volume Correlation. The simulated fracture paths and ultimate forces were consistent with the experiment thanks to representative microstructure and boundary conditions.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2023)
Article
Polymer Science
Collin W. Foster, Sreevishnu Oruganti, Francesco Panerai
Summary: This study quantitatively analyzed the microstructural evolution and porous network development of Room Temperature Vulcanized (RTV) silicone pyrolysis at high temperatures using in situ high-temperature X-ray computed micro-tomography. The results showed that the microstructure evolution and porous network development were dependent on the heating rate, and the bulk sample volume change, porosity, pore network size, and densification were evaluated using X-ray attenuation. The findings of this study are important for the development of multi-physics models for thermal response.
POLYMER DEGRADATION AND STABILITY
(2023)
Article
Materials Science, Multidisciplinary
Zhiguo Zhang, Chuangnan Wang, Billy Koe, Christian M. Schleputz, Sarah Irvine, Jiawei Mi
Summary: High speed synchrotron X-ray imaging and ultrafast tomography were used to study the fragmentation and growth dynamics of dendritic microstructures in an Al-15%Cu alloy under ultrasound. The results showed that efficient dendrite fragmentation occurred due to the acoustic flow, with thermal perturbation remelting plus mechanical fracture and separation being the dominant mechanism, while acoustic flow fatigue impact and phase collision effects played a minor role. Ultrasound application in the early solidification stage for just 10 s led to a significant increase in dendrite fragment number.
Review
Materials Science, Multidisciplinary
Lingbin Meng, Brandon McWilliams, William Jarosinski, Hye-Yeong Park, Yeon-Gil Jung, Jehyun Lee, Jing Zhang
Article
Materials Science, Multidisciplinary
Lingbin Meng, Xuehui Yang, Eduardo Salcedo, Dong-Cheon Baek, Jong E. Ryu, Zhe Lu, Jing Zhang
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
(2020)
Review
Electrochemistry
X. Yang, Jian Zhang, Z. Lu, H. -Y. Park, Y. -G. Jung, H. Park, D. D. Koo, R. Sinatra, Jing Zhang
TRANSACTIONS OF THE INSTITUTE OF METAL FINISHING
(2020)
Article
Engineering, Manufacturing
Yafeng Li, Anvesh Dhulipalla, Jian Zhang, Hye-Yeong Park, Yeon-Gil Jung, Dan Daehyun Koo, Jing Zhang
Summary: A new heat transfer-based finite element model is proposed to simulate coating thickness in the EB-PVD process. The model converts temperature profile to coating thickness and has been successfully validated with three cases. It is capable of simulating coating thickness in complex shaped parts.
CIRP JOURNAL OF MANUFACTURING SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Xuehui Yang, Jian Zhang, Hye-Yeong Park, Yeon-Gil Jung, Alan Jones, Jing Zhang
Summary: PDC SiOC porous structures were fabricated using stereolithography 3D printing method with preceramic resin, followed by sintering at 1000 degrees C for 1 h. Water treatment was used to prevent shrinkage and remove unreacted resin, resulting in amorphous SiOC ceramic with high geometric accuracy and smoother surfaces on the printed structures.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Materials Science, Multidisciplinary
Xingye Guo, Hye-Yeong Park, Yeon-Gil Jung, Jing Zhang
Summary: This study investigated the anisotropic mechanical properties of lanthanum zirconate crystal through atomistic simulations, revealing its highly anisotropic Young's modulus and identifying {111}<112> direction as the favorable slip system during shear deformations.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Sugrim Sagar, Yi Zhang, Hyun-Hee Choi, Yeon-Gil Jung, Jing Zhang
Summary: In this study, the impact properties of 3D printed 15-5 PH stainless steel were investigated at different temperatures, showing brittle behavior at low and room temperatures but more ductile behavior at high temperatures. The experimental and modelling predicted impact energies were in good agreement.
MATERIALS SCIENCE AND TECHNOLOGY
(2021)
Article
Materials Science, Multidisciplinary
Xuehui Yang, Jian Zhang, Sugrim Sagar, Tejesh Dube, Bong-Gu Kim, Yeon-Gil Jung, Dan Daehyun Koo, Alan Jones, Jing Zhang
Summary: In this study, an improved molecular dynamics model was used to simulate nanoindentation and tribological tests of high entropy alloy coatings on an aluminum substrate. The results show that the HEA coating significantly enhances the hardness of the metallic substrate and reduces wear tracks, improving mechanical and tribological properties. The simulation outcomes are in excellent agreement with experimental findings reported in the literature.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Materials Science, Multidisciplinary
Junseong Kim, Janghyeok Pyeon, Bong-Gu Kim, Tserendorj Khadaa, Hyeryang Choi, Lu Zhe, Tejesh Dube, Jing Zhang, Byung-il Yang, Yeon-gil Jung, SeungCheol Yang
Summary: To assess the oxidation behavior of bond coatings in thermal barrier coatings for gas turbines, vacuum plasma spraying (VPS) and high-velocity oxygen fuel (HVOF) processes were used. The VPS coating showed faster weight gain and the formation of a dense and thick thermal growth oxide (TGO) layer, while the HVOF coating demonstrated rapid weight loss and the suppression of diffusion due to alumina particles. The as-coated VPS coating had higher hardness and lower interfacial bonding strength than the HVOF coating. Diffusion induced by heat treatment led to similar internal hardness and bonding strengths in both coating layers. Improvement of the HVOF process requires densification of the coating layer and the formation of a uniform alumina layer on the surface to suppress internal oxide formation.
Article
Mathematics, Interdisciplinary Applications
Zhengzhao Ji, Yafeng Li, Lei Wang, Tejesh Dube, Jing Zhang
Summary: In this study, an improved discrete element (DE) model is proposed to simulate the delamination behaviors of thermal barrier coatings (TBCs) during micro-indentation tests, aiming to gain a better understanding of the failure mechanisms. The results show that the delamination of the coating interface involves two distinctive stages: crack initiation and propagation. Moreover, TBC systems with a thicker top are more prone to delamination due to reduced strain compliance.
COMPUTATIONAL PARTICLE MECHANICS
(2023)
Article
Chemistry, Multidisciplinary
Sumon Hati, Xuehui Yang, Prashant Gupta, Barry B. Muhoberac, Jingzhi Pu, Jing Zhang, Rajesh Sardar
Summary: This study reports the programmable manipulation of inorganic-organic interfacial electronic properties of ligand-functionalized plasmonic nanoparticles (NPs), which is crucial for their applications such as catalysis, photovoltaics, and biosensing. By functionalizing gold triangular nanoprisms (Au TNPs) with thiocinnamate ligands of varying surface dipole moments, the localized surface plasmon resonance (LSPR) properties of the Au TNPs in solid state can be reversibly tuned with a significant peak broadening. The shape of the NPs has a significant impact on the plasmonic response and work function modulation.
Article
Mathematics, Interdisciplinary Applications
Yafeng Li, Lei Wang, Hongfei Gao, Jing Zhang
Summary: An improved discrete element model (DEM) is developed in this study to understand the defect effect in ceramic cracking process. The model parameters are calibrated and the uniaxial compression of ceramics with different crack lengths and inclination angles are simulated. The results show that the predicted crack patterns are qualitatively in agreement with experimental observations. The study also reveals the influence of crack length and inclination angle on the mode of crack initiation and propagation.
COMPUTATIONAL PARTICLE MECHANICS
(2023)
Article
Materials Science, Multidisciplinary
Tejesh C. Dube, Bong-Gu Kim, Yeon-Gil Jung, Catherine Macris, Jing Zhang
Summary: This work presents a novel method for fabricating NdFeB-based magnets using 3D printing and powder injection techniques. Customized 3D-printed plastic molds are used to efficiently manufacture magnets with various shapes. This method has the potential to reduce production costs and increase productivity, and the magnets produced can be applied in multiple industries.
BULLETIN OF MATERIALS SCIENCE
(2023)
Article
Engineering, Mechanical
Jian Zhang, Zhe Lu, Sugrim Sagar, Hyunhee Choi, Yeon-Gil Jung, Heesung Park, Dan Daehyun Koo, Jing Zhang
Summary: The impact behavior of an alumina spherical particle on alumina coating was modeled using the SPH method, with the impact angle and velocity affecting the damage extent of the coating. The total energy of the coating increased with time, while internal energy increased after peak values, revealing energy transmission patterns with particle velocity and angle changes.
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME
(2021)
Article
Nuclear Science & Technology
Linmin Wu, Yi Zhang, Xuehui Yang, Louis Santodonato, Hassina Bilheux, Jing Zhang
JOURNAL OF NEUTRON RESEARCH
(2020)
