Article
Chemistry, Multidisciplinary
Jong Hyeok Kim, Ju-Hyung Kim, Soonmin Seo
Summary: This study investigated the use of Galinstan particles in the production of Triboelectric nanogenerators (TENGs) that convert mechanical energy into electrical energy. Through the evaporation of hexane solvent during the curing process, films with varying concentrations of Galinstan particles were produced. The addition of n-hexane allowed for LM particles to be physically pulverized into smaller pieces.
Article
Materials Science, Multidisciplinary
Navid Hussain, Tongtong Fu, Gabriel Marques, Chittaranjan Das, Torsten Scherer, Uwe Bog, Lukas Berner, Irene Wacker, Rasmus R. Schroeder, Jasmin Aghassi-Hagmann, Michael Hirtz
Summary: A versatile liquid metal printing process is introduced for fabrication of various fully printed devices, compatible with digital printing and thin film structuring methods for integration. The research demonstrates successful fabrication of resistors, p-n diodes, and field effect transistors, showing the potential of liquid metal printing in exceeding conventional electronic devices in printed electronics.
ADVANCED MATERIALS TECHNOLOGIES
(2021)
Article
Materials Science, Multidisciplinary
Xiangpeng Li, Shi-Yang Tang, Shen Li, Du'an Ge, Junhui Yang, Jiangxia Zhou, Hao Yang, Shiwu Zhang, Weihua Li, Lining Sun
Summary: This study introduces a liquid metal engine (LME) that does not require mechanical moving parts and can serve as a jet thruster for a robot boat, providing continuous power support. It offers a new approach for developing high-performance liquid metal machines to power robotic systems.
ADVANCED MATERIALS TECHNOLOGIES
(2021)
Article
Chemistry, Multidisciplinary
Xiangpeng Li, Lu Cao, Bing Xiao, Fangxia Li, Junhui Yang, Jie Hu, Tim Cole, Yuxin Zhang, Mingkui Zhang, Jiahao Zheng, Shiwu Zhang, Weihua Li, Lining Sun, Xiaoqian Chen, Shi-Yang Tang
Summary: The ability to control interfacial tension electrochemically is unique to liquid metals, especially gallium-based alloys. However, the electrochemical oxidation process of liquid metals often induces instabilities that make it difficult to elongate and manipulate them directly on a 2D plane. This study presents a method using an LM-iron particle mixture to suppress instabilities, allowing for superelongation of the LM core and manipulation of its morphology on a 2D plane. Eliminating instabilities also enables effective spreading and filling of the LM-Fe mixture into complex molds. The study demonstrates the potential for developing functional and flexible structures of liquid metals with superior performance.
Article
Nanoscience & Nanotechnology
Shuguang Zhang, Yuhe Wang, Kuilin Meng, Xiaobing Zheng, Yongjian Li, Haosheng Chen
Summary: This study demonstrates the optimization of liquid infused surfaces (LIS) for anticoagulation by regulating the distribution of microspheres on a titanium alloy substrate. The application of LIS on the front guide vane of an artificial heart pump significantly improves anticoagulation in vitro blood circulation.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Polymer Science
Husheng Chen, Shilong Hu, Yuan Jin, Aibing Zhang, Licheng Hua, Jianke Du, Guangyong Li
Summary: This paper presents a novel reduced Galinstan-based microfluidic energy harvester that can convert kinetic energy to electricity from any vibration source. The wetting behaviors of reduced Galinstan are experimentally investigated, and the electric circuit model of the energy harvester is discussed using electrical double layer capacitors. The microfluidic energy harvester with coplanar channels is designed and fabricated, and its performance is evaluated, demonstrating its suitability for application in complex vibration environments.
Article
Materials Science, Multidisciplinary
Pradeep Sambyal, Aamir Iqbal, Junpyo Hong, Myung-Ki Kim, Il-Doo Kim, Chong Min Koo
Summary: Researchers have successfully developed a lightweight and flexible composite film through simple vacuum-assisted filtration, consisting of MXene and Galinstan liquid metal nanoparticles. This material exhibits superior electromagnetic interference (EMI) shielding performance, making it an ideal candidate for next-generation electronic devices.
MATERIALS CHEMISTRY AND PHYSICS
(2023)
Article
Materials Science, Multidisciplinary
Hiran Chathuranga, Ifra Marriam, Zhanying Zhang, Jennifer MacLeod, Ruixiang Bai, Zhenkun Lei, Yan Li, Yinong Liu, Hong Yang, Cheng Yan
Summary: With the recent upsurge in electronic and telecommunications industries, there is a high demand for thermal interface materials (TIMs) with integrated high thermal conductivity and flame resistance. Traditional polymer-based TIMs have limitations, while graphene-based films have attracted attention for their excellent thermal conductivity. However, the challenge lies in improving the through-plane thermal conductivity of graphene-based TIMs. In this study, by incorporating liquid metal Galinstan into graphene oxide films, the through-plane thermal conductivity and flame resistance were greatly improved.
APPLIED MATERIALS TODAY
(2022)
Article
Engineering, Electrical & Electronic
Xiaonan Zhu, Fei Yang, Haoran Wang, Siyuan Zhao, Yi Wu, Shi-Yang Tang, Mingzhe Rong
Summary: Researchers have developed a liquid metal-enabled electrical switch that outperforms traditional mechanical switches by a factor of 4-20 in terms of interruption speed. The study also identified the critical role of rupture distance in regulating arc plasma behaviors during the breakup of a liquid metal bridge. This research has significant implications for both practical applications in high-current electrical and electronic equipment and fundamental studies in soft electronics, fluid mechanics, and plasma science.
ACS APPLIED ELECTRONIC MATERIALS
(2022)
Article
Chemistry, Physical
Chengchao Xiao, Huiyuan Zhang, Huaiyu Zhao, Haoran Xu, Jiameng Huang, Tao Zhou
Summary: This study prepared liquid metal films by roll coating on flexible substrates and selectively ablated unwanted areas using near-infrared or ultraviolet lasers, resulting in high-precision liquid metal circuits. The mechanism of non-conductivity after laser ablation was investigated, and the application in wearable sensors was explored.
APPLIED SURFACE SCIENCE
(2022)
Article
Thermodynamics
Zhongkai Zhang, Jiaming Lei, Fajing Li, Le Li, Shuimin Li, Yanbo Huang, Ke Feng, Qing Tan, Xiaoling Lu
Summary: This study presents a shaft cooling structure driven by electromagnetism, using Galinstan as the coolant, which has the advantages of non-toxicity, high stability, and high thermal conductivity. The results show that the heat transfer performance of Galinstan can be improved by increasing the driving current, while the magnetohydrodynamics (MHD) effect created by the magnetic field has little effect on the heat transfer performance.
APPLIED THERMAL ENGINEERING
(2023)
Review
Chemistry, Multidisciplinary
Vi Khanh Truong, Andrew Hayles, Richard Bright, Trong Quan Luu, Michael D. Dickey, Kourosh Kalantar-Zadeh, Krasimir Vasilev
Summary: The proliferation of drug resistance in microbial pathogens poses a significant threat to human health. Liquid metal nanoparticles, particularly gallium-based ones, show promise in combating this problem due to their distinctive properties, high antimicrobial efficacy, and low toxicity. The unique bactericidal mechanism of gallium liquid metal can bypass emerging drug resistance mechanisms, making it a valuable strategic pathway in the battle against antimicrobial resistance.
Article
Mechanics
T. Hopfes, J. Petersen, Z. Wang, M. Giglmaier, N. A. Adams
Summary: This study investigates the breakup process of liquid metal Galinstan droplets in a shock-induced crossflow, revealing differences in the breakup morphology compared to conventional liquids, particularly in the later stages of the process.
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
(2021)
Article
Chemistry, Multidisciplinary
Kaichen Xu, Yusuke Fujita, Yuyao Lu, Satoko Honda, Mao Shiomi, Takayuki Arie, Seiji Akita, Kuniharu Takei
Summary: Emerging feedback systems based on tracking body conditions can save human lives, especially for vulnerable populations such as disabled people, elderly, and infants. The versatile laser-induced graphene (LIG)-based integrated sensor system can monitor sleeping postures, respiration rate, and diaper moisture with feedback alarm notifications to ensure secure and comfortable lives. By merging LIG-based sensors on a thin flexible film, user-friendly interfaces provide timely feedback for caregivers tending to vulnerable populations with limited self-care capabilities.
ADVANCED MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Chengchao Xiao, Jin Feng, Haoran Xu, Rui Xu, Tao Zhou
Summary: This study combines laser-induced selective metallization and selective wetting to directly prepare 2D and 3D liquid metal circuits. The prepared liquid metal circuits exhibit strong adhesion, good flexibility, self-healing ability, and acid-alkaline resistance, and have great application prospects.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
Baiyang Shi, Jian Yang, Ji Wang
Summary: In this study, a newly proposed extended Galerkin method is used to investigate the dynamic response behavior of a generalized nonlinear dynamic system. The algebraic equations of vibration amplitudes are obtained through an integration of the weighted functions. The method is applicable to forced vibrations of nonlinear behavior and has been validated using the numerical Runge-Kutta method.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Yan Guo, Bin Huang, Licheng Hua, Jianbin Chen, Ji Wang
Summary: This work aims to build a mathematical model for delaminated composite plates on an elastic foundation using an improved layerwise theory and finite element implementation. The model takes into account the transverse deformation of the foundation and investigates its effect on the dynamic characteristics of delaminated plates. The study considers different delamination and foundation parameters, as well as different stacking sequences.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Jinghui Wu, Ji Wang, Longtao Xie, Sergei Zhgoon, Rongxing Wu, Aibing Zhang, Tingfeng Ma, Jianke Du
Summary: The Rayleigh-Ritz method is commonly used for analyzing free vibrations of elastic solids and structures. In this study, the Cartesian coordinate system is utilized for a simplified formulation and efficient evaluation of the vibrations of elastic ellipsoids. The procedure and formulation are validated by calculating the vibrations with geometric parameters and comparing them with known results and analysis from this study.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Chemistry, Multidisciplinary
Chencheng Lian, Ji Wang, Baochen Meng, Lihong Wang
Summary: This paper successfully solves the nonlinear differential equation of deflection of an elastic beam using the Galerkin method. It demonstrates the high consistency between the third-order approximate solution and the exact solution of the elliptic function. The effectiveness and advantages of the Galerkin method in solving nonlinear differential equations are further demonstrated.
APPLIED SCIENCES-BASEL
(2023)
Article
Engineering, Mechanical
Ji Lin, Jin Qian, Yu Xie, Ji Wang, Rui Xiao
Summary: In this study, a micromechanical mean-field shear transformation zone (STZ) model is developed to systematically describe the stress responses of amorphous polymers. The model captures the behaviors of amorphous polymers in various loading conditions and successfully reproduces the Bauschinger effect. The deformation-induced material polarization, in the form of an anisotropic distribution of STZs, is identified as the governing mechanism of the Bauschinger effect.
INTERNATIONAL JOURNAL OF PLASTICITY
(2023)
Article
Materials Science, Multidisciplinary
Yumei Chen, Xiang Fang, Ji Wang, Matteo Filippi, Erasmo Carrera
Summary: By using a microstructure with an antisymmetric dual helix, we designed a metamaterial plate with wide band gaps for phononic crystals. The band structure and displacement transmission curves of the metamaterial plates were calculated and compared with and without considering the mass in the center of the dual helix. The results show excellent consistency in the band gaps, and the effects of various parameters on the band gaps were examined for further evaluation of potential applications.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
Dongdong Guo, Haozhe Jiang, Lili Yuan, Tingfeng Ma, Jianke Du, Ji Wang
Summary: A metamaterial beam with carbon fiber-reinforced polymer (CFRP) is proposed to effectively reduce vibration. The dispersion curves are calculated using the transfer matrix method (TM), the frequency response is investigated using the spectral element method (SEM), and the displacement fields at different representative frequencies are displayed using the finite element method (FEM). Numerical analysis considers the effects of geometry, material parameters, and CFRP's cross-ply angle on the band gap, and three types of beams are discussed and compared. The results show that the cross-ply angle and length of CFRP significantly influence the band gaps, and the frequency and width of the band gaps vary when the CFRP layers are asymmetric. Experimental results agree well with numerical results in the low-frequency range for a CFRP beam with ten periods. These findings provide useful reference for the design optimization of metamaterial beams with wide band gaps, lightweight properties, and high strength.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
Article
Engineering, Mechanical
Chencheng Lian, Baochen Meng, Huimin Jing, Rongxing Wu, Ji Lin, Ji Wang
Summary: This study analyzed the higher-order nonlinear vibrations and mode couplings of beams using the extended Galerkin method for a better understanding of dynamic properties. Numerical solutions of frequencies and mode shapes were obtained for a cantilever beam by approximating and solving the vibration equation under large deformation. The results demonstrated that the approximate solutions were accurate compared to the exact solutions for small amplitudes.
JOURNAL OF VIBRATION ENGINEERING & TECHNOLOGIES
(2023)
Article
Physics, Applied
Jiachao Xu, Yuanzhen Zheng, Tingfeng Ma, Hui Chen, Bowei Wu, Ji Wang, Shuanghuizhi Li, Iren Kuznetsova, Ilya Nedospasov, Jianke Du, Hao Shi, Dudu Chen, Fei Sun
Summary: In this study, the topological valley Hall edge states of elastic waves in phononic crystals were achieved by utilizing material differences. A phononic crystal structure with lantern rings was proposed, and it was found that differences in Young's modulus or density of the lantern-ring materials can cause the destruction of the spatial inversion symmetry, leading to the emergence of topological edge states. By reconfiguring the waveguide path and changing the operating frequency through modifying the lantern-ring materials, the limitations of traditional methods based on structural parameter changes were overcome, providing a promising approach for elastic wave manipulation and communication.
PHYSICAL REVIEW APPLIED
(2023)
Review
Infectious Diseases
Bao Sun, Yingshuang Tang, Dan Chen, Yanning Bai, Yuanyuan Zhang, Suning Chen, Yi Qiao, Jingwen Wang
Summary: Biliary cryptococcal infection is rare and difficult to diagnose preoperatively. This case report and literature review collected a total of 12 reports of biliary cryptococcal infection from 1985 to 2021. Clinical manifestations were mainly jaundice, with bile duct dilatation and stenosis observed in vitro. Treatment with antifungal drugs resulted in symptom improvement or recovery in 66.67% of the cases. Early and accurate diagnosis is crucial for improving the cure rate of biliary cryptococcosis infected patients.
INFECTION AND DRUG RESISTANCE
(2023)
Article
Materials Science, Multidisciplinary
Fankai Sun, Guangyong Li, Husheng Chen, Yuan Jin, Aibing Zhang, Minghua Zhang, Jianke Du, Licheng Hua
Summary: This study introduces a low-temperature liquid metal (LM)-based 3-D printing technology that can print LM-based 3-D circuits. Various complex LM-based 3-D structures are successfully generated and integrated with LED lights to verify their mechanical and electrical stability under different deformations. A portable noninvasive stretchable biomedical electronic device, composed of LM-based 3-D circuits, a heart rate sensor, and a blood oxygen sensor, is developed using this technology, showing potential in improving patients' lives in the future.
ADVANCED MATERIALS TECHNOLOGIES
(2023)
Article
Thermodynamics
Dandan Pang, Aibing Zhang, Yage Guo, Junfeng Wu
Summary: This paper proposes a novel configuration for wearable thermoelectric generators and develops an analytical model based on human skin. The study finds that neglecting the metabolic heat generation underestimates the maximum power density of the generator, while increasing the contact pressure at the skin/W-TEG interface improves the performance.
Article
Materials Science, Multidisciplinary
Yangyang Zhang, Qi Lai, He Zhang, Yingwu Yang, Ji Wang, Chaofeng Lu
Summary: In this study, an electromechanical model is established to consider the wheel-path distribution under actual traffic conditions. The optimal lateral embedded locations for PEH units should be adjusted according to the prescribed traffic speed of the roads, and these mathematical results serve as guidelines for selecting the optimal lateral embedded locations for PEH units.
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES
(2023)
Article
Materials Science, Multidisciplinary
J. H. Wu, J. Wang, E. Carrera, R. Augello
Summary: This work analyzes the wave propagation of Rayleigh type through a periodic elastic element covered with a T-plate. Viscous-spring artificial boundaries are used to satisfy the boundary conditions of the periodic structure. The Carrera Unified Formulation (CUF) is used to consistently express the various kinematics of the structure and obtain the wave propagation within the model. The numerical evaluation and comparison with analytical methods and COMSOL show that the results of this study are reliable and the developed model provides accurate analysis of T-plate periodic elastic structures.
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
(2023)
