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Zhai W, Bai L, Zhou R, Fan X, Kang G, Liu Y, Zhou K. Recent Progress on Wear-Resistant Materials: Designs, Properties, and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2003739. [PMID: 34105292 PMCID: PMC8188226 DOI: 10.1002/advs.202003739] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 02/01/2021] [Indexed: 05/26/2023]
Abstract
There has been tremendous interest in the development of different innovative wear-resistant materials, which can help to reduce energy losses resulted from friction and wear by ≈40% over the next 10-15 years. This paper provides a comprehensive review of the recent progress on designs, properties, and applications of wear-resistant materials, starting with an introduction of various advanced technologies for the fabrication of wear-resistant materials and anti-wear structures with their wear mechanisms. Typical strategies of surface engineering and matrix strengthening for the development of wear-resistant materials are then analyzed, focusing on the development of coatings, surface texturing, surface hardening, architecture, and the exploration of matrix compositions, microstructures, and reinforcements. Afterward, the relationship between the wear resistance of a material and its intrinsic properties including hardness, stiffness, strength, and cyclic plasticity is discussed with underlying mechanisms, such as the lattice distortion effect, bonding strength effect, grain size effect, precipitation effect, grain boundary effect, dislocation or twinning effect. A wide range of fundamental applications, specifically in aerospace components, automobile parts, wind turbines, micro-/nano-electromechanical systems, atomic force microscopes, and biomedical devices are highlighted. This review is concluded with prospects on challenges and future directions in this critical field.
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Affiliation(s)
- Wenzheng Zhai
- State Key Laboratory of Digital Manufacturing Equipment and TechnologySchool of Mechanical Science and EngineeringHuazhong University of Science and Technology1037 Luoyu RoadWuhan430074P. R. China
| | - Lichun Bai
- Key Laboratory of Traffic Safety on TrackMinistry of EducationSchool of Traffic and Transportation EngineeringCentral South University22 South Shaoshan RoadChangsha410075P. R. China
| | - Runhua Zhou
- State Key Laboratory of Powder MetallurgyCentral South University932 Yuelushan South RoadChangsha410083P. R. China
| | - Xueling Fan
- State Key Laboratory for Strength and Vibration of Mechanical StructuresSchool of Aerospace EngineeringXi'an Jiaotong University28 Xianning WestXi'an710049P. R. China
| | - Guozheng Kang
- Applied Mechanics and Structure Safety Key Laboratory of Sichuan ProvinceSchool of Mechanics and EngineeringSouthwest Jiaotong University111 Second Ring RoadChengdu610031P. R. China
| | - Yong Liu
- State Key Laboratory of Powder MetallurgyCentral South University932 Yuelushan South RoadChangsha410083P. R. China
| | - Kun Zhou
- School of Mechanical and Aerospace EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
- Environmental Process Modelling CentreNanyang Environment and Water Research InstituteNanyang Technological University1 CleanTech LoopSingapore637141Singapore
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Chen L, Song Z. Simultaneous realizations of absorber and transparent conducting metal in a single metamaterial. OPTICS EXPRESS 2020; 28:6565-6571. [PMID: 32225901 DOI: 10.1364/oe.388066] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 02/11/2020] [Indexed: 06/10/2023]
Abstract
By introducing vanadium dioxide film into a multilayer structure, the dual functionalities of perfect absorption and high transmission are presented using the insulator-to-metal phase transition of vanadium dioxide. When vanadium dioxide is in the conducting state, the designed system acts as a narrowband absorber. The proposed absorber is composed of the top metallic ring, silica spacer, and the vanadium dioxide film. The absorption peak is originated from localized magnetic resonance between metallic ring and vanadium dioxide film. When vanadium dioxide is in the insulating state, the designed system acts as a transparent conducting metal. The top metallic ring, the middle dielectric spacer, and the subwavelength metallic mesh are combined together to form an antireflection coating. The influences of incident angle and structure parameter on absorption and transmission are also discussed. This work has demonstrated a new route for developing vanadium dioxide-based switchable photonic devices in the fields of filter and modulator at terahertz frequencies.
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Zhou Q, Park JG, Kim T. Heterogeneous semiconductor nanowire array for sensitive broadband photodetector by crack photolithography-based micro-/nanofluidic platforms. RSC Adv 2020; 10:23712-23719. [PMID: 35517338 PMCID: PMC9054822 DOI: 10.1039/d0ra03784b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 06/14/2020] [Indexed: 11/21/2022] Open
Abstract
The in situ growth of nanowires (NWs) into nano-/microelectromechanical systems (NEMS/MEMS) by solution processing is attractive for its relative simplicity and economic value.
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Affiliation(s)
- Qitao Zhou
- Engineering Research Center of Nano-Geomaterials of the Ministry of Education
- Faculty of Materials Science and Chemistry
- China University of Geosciences
- Wuhan 430074
- China
| | - Jun Gyu Park
- Department of Mechanical Engineering
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Republic of Korea
| | - Taesung Kim
- Department of Mechanical Engineering
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan 44919
- Republic of Korea
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Kowerdziej R, Wróbel J, Kula P. Ultrafast electrical switching of nanostructured metadevice with dual-frequency liquid crystal. Sci Rep 2019; 9:20367. [PMID: 31889047 PMCID: PMC6937344 DOI: 10.1038/s41598-019-55656-z] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 11/28/2019] [Indexed: 11/13/2022] Open
Abstract
Shortening of switching times of various soft-matter-based tunable metamaterials is one of the key challenges to improve the functionality of modern active devices. Here we show an effective strategy in the evolution of soft-matter-based tunable metamaterials that makes possible acceleration of both on and off switching processes by using a dual-frequency liquid crystal mixture. The frequency-convertible dielectric anisotropy of the dual-frequency mixture enabled us to create a fast-response in-plane switching metasurface at the nanoscale, which could be tuned by an electrical signal with different frequencies. The results clearly show that the resonance of the metamaterial can be continuously and reversibly controlled within a wavelength range of 100 nm as the applied frequency is inverted between 1 kHz and 40 kHz, with a total response time (τ = τON + τOFF) of 1.89 ms. Furthermore, experimental characteristics of the hybrid metamaterial are in great agreement with numerical calculations, which allow us to anticipate active epsilon-near-zero behavior of the metadevice. This work indicates the future development direction of liquid-crystal-based active plasmonic systems.
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Affiliation(s)
- Rafał Kowerdziej
- Institute of Applied Physics, Military University of Technology, 2 Kaliskiego Str., 00-908, Warsaw, Poland.
| | - Jerzy Wróbel
- Institute of Physics, Polish Academy of Sciences, 32/46 Lotników Avenue, 02-668, Warsaw, Poland
| | - Przemysław Kula
- Institute of Chemistry, Military University of Technology, 2 Kaliskiego Str., 00-908, Warsaw, Poland
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Samanta S, Singh S, Sahoo RR. Covalently grafting of self-assembled functionalized graphene oxide multilayer films on Si substrate for solid film lubrication. THIN SOLID FILMS 2019; 683:16-26. [DOI: 10.1016/j.tsf.2019.05.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/19/2023]
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Ma G, Jia B, Zhao D, Yang Z, Yu J, Liu J, Guo L. Amorphous Mn 3 O 4 Nanocages with High-Efficiency Charge Transfer for Enhancing Electro-Optic Properties of Liquid Crystals. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805475. [PMID: 30977976 DOI: 10.1002/smll.201805475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/25/2019] [Indexed: 06/09/2023]
Abstract
Improving electro-optic properties is essential for fabricating high-quality liquid crystal displays. Herein, by doping amorphous Mn3 O4 octahedral nanocages (a-Mn3 O4 ONCs) into a nematic liquid crystal (NLC) matrix E7, outstanding electro-optic properties of the blend are successfully obtained. At a doping concentration of 0.03 wt%, the maximum decreases of threshold voltage (Vth ) and saturation voltage (Vsat ) are 34% and 31%, respectively, and the increase of contrast (Con ) is 160%. This remarkable electro-optic activity can be attributed to high-efficiency charge transfer within the a-Mn3 O4 ONCs NLC system, caused by metastable electronic states of a-Mn3 O4 ONCs. To the best of our knowledge, such remarkable decreased electro-optic activity is observed for the first time from doping amorphous semiconductors, which could provide a new pathway to develop excellent energy-saving amorphous materials and improve their potential applications in electro-optical devices.
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Affiliation(s)
- Guanshui Ma
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Binbin Jia
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Dongyu Zhao
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Zhao Yang
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Jian Yu
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Juzhe Liu
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Lin Guo
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology, Ministry of Education, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
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Manjappa M, Pitchappa P, Singh N, Wang N, Zheludev NI, Lee C, Singh R. Reconfigurable MEMS Fano metasurfaces with multiple-input-output states for logic operations at terahertz frequencies. Nat Commun 2018; 9:4056. [PMID: 30283070 PMCID: PMC6170453 DOI: 10.1038/s41467-018-06360-5] [Citation(s) in RCA: 142] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 07/30/2018] [Indexed: 11/23/2022] Open
Abstract
A broad range of dynamic metasurfaces has been developed for manipulating the intensity, phase and wavefront of electromagnetic radiation from microwaves to optical frequencies. However, most of these metasurfaces operate in single-input-output state. Here, we experimentally demonstrate a reconfigurable MEMS Fano resonant metasurface possessing multiple-input-output (MIO) states that performs logic operations with two independently controlled electrical inputs and an optical readout at terahertz frequencies. The far-field behaviour of Fano resonance exhibits XOR and XNOR operations, while the near-field resonant confinement enables the NAND operation. The MIO configuration resembling hysteresis-type closed-loop behaviour is realized through inducing electromechanically tuneable out-of-plane anisotropy in the near-field coupling of constituent resonator structures. The XOR metamaterial gate possesses potential applications in cryptographically secured terahertz wireless communication networks. Furthermore, the MIO features could lay the foundation for the realization of programmable and randomly accessible metamaterials with enhanced electro-optical performance across terahertz, infrared and optical frequencies.
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Affiliation(s)
- Manukumara Manjappa
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Prakash Pitchappa
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
| | - Navab Singh
- Institute of Microelectronics, 11 Science Park Road, Singapore, 117685, Singapore
| | - Nan Wang
- Institute of Microelectronics, 11 Science Park Road, Singapore, 117685, Singapore
| | - Nikolay I Zheludev
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
- Optoelectronics Research Centre and Centre for Photonic Metamaterials, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
| | - Chengkuo Lee
- Department of Electrical & Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117576, Singapore
- Center for Intelligent Sensors and MEMS (CISM), National University of Singapore, E6 #05-11F, 5 Engineering Drive 1, Singapore, 117608, Singapore
| | - Ranjan Singh
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore.
- Centre for Disruptive Photonic Technologies, The Photonics Institute, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore.
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Liquid-Crystal-Based Electrically Tuned Electromagnetically Induced Transparency Metasurface Switch. Sci Rep 2017; 7:17378. [PMID: 29234053 PMCID: PMC5727166 DOI: 10.1038/s41598-017-17612-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 11/23/2017] [Indexed: 11/24/2022] Open
Abstract
In this study, a structure to realize a switchover between two different responses of electromagnetically induced transparency (EIT) was designed and implemented by simulation. Taking advantage of the anisotropy in the structure and the coupling between the radiative and dark elements, a metasurface switch with modulation depth of over 85% between orthogonal polarization incident light illuminations was demonstrated. The key mode switchover between the “on” and “off” states was achieved by electrically changing the dressing light polarization with a liquid crystals layer pre-aligned with a mature technology, without changing the incident light and an expected and reversible transition from an EIT-like spectrum to a strong spectral dip was observed. The modulation in the EIT switch fabricated with the proposed straightforward approach is a promising tool to control the groping velocity delay.
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