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Wearable and interactive multicolored photochromic fiber display

Light(Science & Applications) 2024年第3期13卷 454-465页

作者： Pan Li Yuwei Wang Xiaoxian He Yuyang Cui Jingyu Ouyang Ju Ouyang Zicheng He Jiayu Hu Xiaojuan Liu Hang Wei Yu Wang Xiaoling Lu Qian Ji Xinyuan Cai Li Liu Chong Hou Ning zhou Shaowu Pan Xiangru Wang huamin zhou Cheng-Wei Qiu Yan-Qing Lu Guangming Tao State Key Laboratory of Material Processing and Die&Mould Technology School of Materials Science and Engineering and Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China Key Laboratory of Vascular Aging(HUST) Ministry of EducationWuhan 430030China School of Optoelectronic Science and Engineering University of Electronic Science and Technology of ChinaChengdu 611731China Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore National Laboratory of Solid State Microstructures Key Laboratory of Intelligent Optical Sensing and ManipulationCollege of Engineering and Applied Sciencesand Collaborative Innovation Center of Advanced MicrostructuresNanjing UniversityNanjing 210023China School of Performing Arts Wuhan Conservatory of MusicWuhan 430060China School of Mechanical Science and Engineering Huazhong University of Science and TechnologyWuhan 430074China School of Architecture and Urban Planning Huazhong University of Science and TechnologyWuhan 430074China School of Fashion Beijing Institute of Fashion TechnologyBeijing 100029China School of Optical and Electronic Information Huazhong University of Science and TechnologyWuhan 430074China Tongji Medical College Huazhong University of Science and TechnologyWuhan 430074China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China

Endowing flexible and adaptable fiber devices with light-emitting capabilities has the potential to revolutionize the current design philosophy of intelligent,wearable interactive ***,significant challenges remain in developing fiber devices when it comes to achieving uniform and customizable light effects while utilizing lightweight ***,we introduce a mass-produced,wearable,and interactive photochromic fiber that provides uniform multicolored light *** designed independent waveguides inside the fiber to maintain total internal reflection of light as it traverses the *** impact of excessive light leakage on the overall illuminance can be reduced by utilizing the saturable absorption effect of fluorescent materials to ensure light emission uniformity along the transmission *** addition,we coupled various fluorescent composite materials inside the fiber to achieve artificially controllable spectral radiation of multiple color systems in a single *** prepared fibers on mass-produced kilometer-long using the thermal drawing *** fibers can be directly integrated into daily wearable devices or clothing in various patterns and combined with other signal input components to control and display patterns as *** work provides a new perspective and inspiration to the existing field of fiber display interaction,paving the way for future human–machine integration.

关键词： fiber interactive colored

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面向渗漏探测的堤防磁场分布特性分析

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吉林大学学报（地球科学版） 2024年第4期54卷 1362-1372页

作者：宋俊磊周丹肖国强周华敏董凯锋晋芳莫文琴惠亚娟中国地质大学(武汉)自动化学院武汉430074 复杂系统先进控制与智能自动化湖北省重点实验室武汉430074 地球探测智能化技术教育部工程研究中心武汉430074 长江水利委员会长江科学院武汉430019

快速确定堤防渗漏隐患的位置信息,对堤防的治理具有重要意义。然而在渗漏通道弱磁数据处理过程中,堤防正常场计算往往需要花费较长时间,严重制约着渗漏隐患的定位效率。为解决上述问题,本文基于有限单元法开展了磁电阻率法探测堤防渗漏... 详细信息

快速确定堤防渗漏隐患的位置信息,对堤防的治理具有重要意义。然而在渗漏通道弱磁数据处理过程中,堤防正常场计算往往需要花费较长时间,严重制约着渗漏隐患的定位效率。为解决上述问题,本文基于有限单元法开展了磁电阻率法探测堤防渗漏的建模仿真工作,探究了不同尺寸堤防内稳定电流场及其外部磁场的分布特性,并构建了一定数量的模型数据库。研究结果表明,磁感应强度y分量在测域中部的整体波动相较于x分量和z分量更大,其值随堤防上宽的增加呈下降趋势,而随斜坡角度的增大或堤防主体高度的增加呈上升趋势。依据本文总结的分布特性,可以预测数据库中缺失的堤防正常场,堤防模型的预测平均相对误差为9.63%。

关键词：堤防渗漏磁电阻率法稳定电流场分布磁场分布

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基于大容量高频变压器的10kV柔性开闭所供电拓扑及应用场景研究

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电力设备管理 2024年第6期 47-49页

作者：肖远兵周珺颜华敏卢婧婧国网上海青浦供电公司

本文以大容量高频变压器作为技术基础,建设10kV柔性开闭所,对优化区域能源结构、保障电能供应和促进社会经济发展具有重要意义。通过分析大容量高频变压器技术优势,提出基于大容量高频变压器10kV开闭所两种典型供电拓扑结构,并分析基于... 详细信息

本文以大容量高频变压器作为技术基础,建设10kV柔性开闭所,对优化区域能源结构、保障电能供应和促进社会经济发展具有重要意义。通过分析大容量高频变压器技术优势,提出基于大容量高频变压器10kV开闭所两种典型供电拓扑结构,并分析基于大容量高频变压器的新型供电拓扑相,比传统供电拓扑的优缺点和适合的应用场景。

关键词：大容量高频变压器柔性开闭所供电拓扑

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橡胶辅助增压在非热压罐成型工艺中的应用研究

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精密成形工程 2024年第6期16卷 53-61页

作者：方俊文王轶高竹青胡兆财左小彪周何乐子周华民华中科技大学材料成形与模具技术国家重点实验室武汉430074 航天材料及工艺研究所北京100076 中国运载火箭技术研究院北京100076

目的针对蒙皮带筋典型构件,在容易产生孔隙的加强筋底部放入橡胶增压,以优化应力场、减小孔隙缺陷。方法针对CFRP固化成型制度,进行红/蓝2种橡胶模量、热膨胀系数测试及双马树脂流变测试。基于材料测试数据及预浸料固化特征建立了固化... 详细信息

目的针对蒙皮带筋典型构件,在容易产生孔隙的加强筋底部放入橡胶增压,以优化应力场、减小孔隙缺陷。方法针对CFRP固化成型制度,进行红/蓝2种橡胶模量、热膨胀系数测试及双马树脂流变测试。基于材料测试数据及预浸料固化特征建立了固化前中后3类数值仿真模型,以对比不同橡胶在不同固化时期的增压效果。结果在固化前期,红、蓝橡胶均有增压作用,可使加强筋底部应力提高约5倍;在固化中期,红橡胶有显著增压作用,可使加强筋底部应力提高约9倍并改善应力梯度;在固化后期,橡胶难以发挥增压作用。结论红橡胶可显著发挥增压作用,有效解决加强筋固化成型前中期底部应力不足的问题;在CFRP固化前期,热膨胀系数是影响热应力的主要因素,在固化后期,模量为主要因素。通过对比多组仿真数据,明确了最优增压材料及最主要的材料属性,为解决OOA成型局部压力不足的问题提供了指导方向。

关键词：复合材料非热压罐成型有限元仿真应力场局部加压

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Unraveling the heterogeneity of solid electrolyte interphase kinetically affecting lithium electrodeposition on lithium metal anode

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Journal of Energy Chemistry 2023年第10期85卷 181-190,I0007页

作者： Mengyuan zhou Yaqi Liao Longhui Li Ruoyu Xiong Guancheng Shen Yifu Chen Tianlun Huang Maoyuan Li huamin zhou Yun Zhang State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074HubeiChina Guangdong Key Laboratory of Modern Control Technology Institute of Intelligent ManufacturingGuangdong Academy of SciencesGuangzhou 510075GuangdongChina

The stability and uniformity of solid electrolyte interphase(SEI)are critical for clarifying the origin of capacity fade and safety issues for lithium metal anodes(LMA).However,understanding the interplay of SEI heterogeneity and Li electrodeposition is limited by the coupling of complex electrochemistry and mechanics ***,the correlation between the SEI failure behavior and Li deposition morphology is investigated through a quantitative electrochemical-mechanical *** local deformation and stress of SEI during Li electrodeposition identify that the heterogeneous interface between different components first *** with the well-known mechanical strength,component uniformity plays the most important role in the initial SEI failure and uneven Li deposition,and a relative component uniformity(p>0.01)represents a proper balance to ensure the stability of the naturally heterogeneous ***,the component regulation of SEI via the designed electrolyte experimentally demonstrates that improving component uniformity benefits SEI stability and the uniform Li electrodeposition for LMA,thereby increasing the capacity by~20%after 300 *** fundamental understandings and proposed strategy can be not only used to guide the SEI optimization via the electrolyte regulation,but also extended to the rational designs of artificial SEI for high-performance LMA.

关键词： Li metal anode Solid electrolyte interphase Component uniformity Electrochemical-mechanical model Failure mechanism

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6061铝合金/碳纤维复合材料板的热冲压制备工艺及其接头性能研究

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材料开发与应用 2024年第2期39卷 111-118页

作者：刘旺田丰魏建辉朱彬周和乐子周华民华中科技大学材料科学与工程学院材料成形与模具技术国家重点实验室湖北武汉430074 武汉第二船舶设计研究所湖北武汉430205

复合材料结构件作为轻量化船舶的重要组成部分,其接头性能的稳定对船舶本身的安全性和运输效益都具有重要意义。采用铝合金和碳纤维增强聚合物复合材料制造船舶夹板、龙骨等结构件,在大幅减重的同时,既增强整体强度又平衡复合材料整体韧... 详细信息

复合材料结构件作为轻量化船舶的重要组成部分,其接头性能的稳定对船舶本身的安全性和运输效益都具有重要意义。采用铝合金和碳纤维增强聚合物复合材料制造船舶夹板、龙骨等结构件,在大幅减重的同时,既增强整体强度又平衡复合材料整体韧性,并具有高的碰撞吸能能力。为了探索采用热冲压工艺对铝合金和碳纤维增强聚合物复合材料进行冲压-黏结的可行性,研究了6061铝合金的不同表面处理工艺、冲压-黏结阶段不同的保压时间、预浸料的不同表面改性处理工艺对铝合金/碳纤维复合材料板的接头性能的影响。剥离实验的结果表明:铝合金经过打磨、打磨+碱洗、打磨+酸洗的6061铝合金/碳纤维复合材料板的接头搭接剪切强度分别为2.50 MPa、4.30 MPa和4.60 MPa,相较于铝合金未处理的接头分别提升了155.1%、338.8%和369.4%;在冲压-黏结阶段,保压时间低于60 s时,接头搭接剪切强度迅速增大至4.90 MPa,保压时间超过60 s后,接头搭接剪切强度急剧下降后又缓慢上升,并维持在3.92~4.34 MPa;预浸料表面喷涂氧化石墨烯的接头搭接剪切强度为5.98 MPa,与预浸料未处理的接头相比提高了30.0%。

关键词： 6061铝合金碳纤维增强聚合物热冲压搭接剪切强度表面改性

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Modeling and simulation of heat transfer for glass bulb mold

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Progress in Natural Science:Materials International 2005年第7期15卷 650-655页

作者： zhou huamin and LI Dequn (State Key Laboratory of Mold & Die Technology, Huazhong University of Science and Technology, Wuhan 430074, China) State Key Laboratory of Mold and Die Technology Huazhong University of Science and Technology Wuhan 430074 China

Cooling system design in glass bulb pressing operation can greatly affect the productivity and the quality of the final product. The concept of cyclic-averaged steady temperature field is proposed in modeling. Heat transfer in the mold region is considered to be a cyclic-steady, three-dimensional conduction; heat transfer within the glass melt region is treated as a transient, one-dimensional conduction; heat exchange between the cooling system surface and coolant is treated as a steady heat convection. A hybrid model consisting of a three-dimensional boundary element method for the mold region and a finite-difference method with a variable mesh for the melt region is used for numerical simulation. Compared with the experimental data, the numerical model developed here is computationally efficient and sufficiently accurate.

关键词： glass bulb mold numerical simulation boundary element method cyclic-averaged steady temperature field.

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Modeling and simulation of residual stresses during glass bulb pressing process

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Science China(Technological Sciences) 2007年第1期50卷 103-117页

作者： zhou huamin, XI GuoDong & LI DeQun State Key Laboratory of Plastic Forming Simulation and Mold & Die Technology, Huazhong University of Science and Technology, Wuhan 430074 State Key Laboratory of Plastic Forming Simulation and Mold & Die Technology Huazhong University of Science and Technology Wuhan China

The residual stresses accumulated in the forming process have great effects on the product quality of the glass bulb. Based on the characteristics analysis of glass bulb forming, a mathematical model has been established for calculating residual stresses of glass pressing process. The material is assumed as thermorheologically simple thermoviscoelastic material, and the flow-induced stress is neglected. The consequences of equilibrium and compatibility equations are discussed in detail, and the boundary conditions are specified for various stages of the forming process. The numerical solution is based on the theory of thin layers, combined with finite difference method in the time and layer difference in the thickness direction. The presented model and solution method could easily be extended to general pressing process of glass, and applied to problems relative to glass pressing, providing extensive reference values. Keywords glass bulb - residual stresses - mathematical modeling - numerical simulation - theory of thin layers Supported by the National Natural Science Foundation of China (Grant No. 50205011), and the Program for New Century Excellent Talents in University (Grant No. NCET-04-0718)

关键词： glass bulb residual stresses mathematical modeling numerical simulation theory of thin layers

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Programmable and reconfigurable humidity-driven actuators made with MXene(Ti_(3)C_(2)T_(x))-cellulose nanofiber composites for biomimetic applications

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Nano Research 2024年第7期17卷 6619-6629页

作者： Shaofeng Zeng Yuanji Ye Peidi zhou Shimin Yi Qiaohang Guo huamin Chen Guozhen Shen Mingcen Weng School of Mechanical and Automotive Engineering Fujian University of TechnologyFuzhou 350118China School of Materials Science and Engineering Fujian Provincial Key Laboratory of Advanced Materials Processing and ApplicationKey Laboratory of Polymer Materials and Products of Universities in FujianFujian University of TechnologyFuzhou 350118China Institute of Smart Marine and Engineering Fujian University of TechnologyFuzhou 350118China Fujian Key Laboratory of Functional Marine Sensing Materials College of Materials and Chemical EngineeringMinjiang UniversityFuzhou 350108China School of Integrated Circuits and Electronics Beijing Institute of TechnologyBeijing 100081China

Smart actuators have a wide range of applications in bionics and energy *** ability to reconfigure shape is essential for soft actuators to achieve various shapes and deformations,which is a crucial feature for next-generation ***,it is still an enormous challenge to establish a straightforward approach to creating programmable and reconfigurable ***-cellulose nanofiber composite film(MCCF)with a brick-and-mortar hierarchical structure was produced through a vacuum filtration *** demonstrates impressive mechanical properties such as a tensile stress of 68 MPa and a Young’s modulus of 4.65 ***,the MCCF highlights its potential for water-assisted shaping/welding due to the abundance of hydrogen bonds between MXene and cellulose *** also showcases capabilities as a humiditydriven actuator with a rapid response rate of 550°·s^(−1).Using the methods of water-assisted shaping/welding,several bionic actuators(such as flower,butterfly,and muscle)based on MCCF were designed,highlighting their versatility in applications of smart *** research showcases the impressive capabilities of MXene-based actuators and offers beneficial insights for the advancement of future intelligent materials.

关键词： MXene cellulose nanofibers programmable actuators humidity-driven

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Phosphorylation of AMMECR1 at Serine16 Is Not Essential for Its Nuclear Localization

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Journal of Biosciences and Medicines 2019年第11期7卷 146-153页

作者： Chengfeng Cai Meng Xu Yongquan Su huamin zhou State Key Laboratory of Large Yellow Croaker Breeding Fujian Fuding Seagull Fishing Food Co. Ltd. Fuding China State Key Laboratory of Cellular Stress Biology School of Life Sciences Xiamen University Xiamen China College of Ocean and Earth Sciences Xiamen University Xiamen China

AMMECR1 is a critical gene in the pathogenesis of AMME syndrome. But, little is known about how AMMECR1 is regulated. Here, we showed that many human cell lines expressed AMMECR1. With Phos-tag SDS PAGE analysis, we demonstrated that AMMECR1 was constitutively phosphorylated at Ser16. AMMECR1 was localized in the nucleus. Mutation of Ser16 to alanine did not affect its nuclear localization. The homologs of AMMECR1, PAC688.03c and MTH857, were also nuclear proteins, but they were not phosphorylated when tested in HeLa cells. Therefore, AMMECR1 and its homologs might have atypical nuclear localization sequences.

关键词： AMMECR1 Transcription Phosphorylation Nuclear Localization

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