复合材料“T”形长桁压缩性能研究汤平(上海飞机设计研究院,上海201210)[HJ1.7mm]摘要:压缩性能是飞机中央翼用“T”长桁上壁板的重要指标。为验证有限元分析方法模拟“T”形长桁压缩破坏过程的合理性,本文选取单根“T”形长桁作为试验件,并根据铺层和尺寸的不同将试验件分为4种。运用工程算法计算 ...

薄板焊接变形中频感应矫正技术刘海华,白云龙,李亮玉,陈豪杰,王力斌(天津市现代机电装备技术重点实验室(天津工业大学),天津300387)[HJ1.8mm]摘要:目前针对船舶上层建筑中的薄板焊接变形矫正主要采用火焰矫正法,但此种方法效率低、操作安全性差,且难以实现自动化.为了更好地实现薄钢板焊接变形感 ...

UHMWPE初生态微观结构及不同成型条件下制品力学性能研究胡逸伦1,2,3,赵文静1,2,3,李志1,2,3,夏晋程1,2,3,冯玲英1,2,3,沈贤婷1,2,3,洪尉1,2,3(1.聚烯烃催化技术与高性能材料国家重点实验室,上海200062;2.上海市聚烯烃催化技术重点实验室,上海200062;3 ...

基于磁记忆的Q235b受弯钢梁力磁效应数值模拟苏三庆,秦彦龙,王威,马小平,左付亮(西安建筑科技大学土木工程学院,西安710055)摘要:为推进金属磁记忆检测技术在建筑钢结构领域的应用,量化金属磁记忆信号与构件应力状态之间的关系,本文以建筑钢框架中常见的工字型钢梁为例,采用ANSYS有限元分析软件, ...

钴铁氧体/聚吡咯复合材料的制备及电磁性能张家瑞1,田晓霞1,2,蒙澳3,赵云彤3,曹建文3,肖雷3,韩丰庆1,3(1.空军工程大学防空反导学院学员二大队,西安710051;2.空军工程大学基础部,西安710051;3.空军工程大学航空航天工程学院学员四大队,西安710051)摘要:首先采用溶胶-凝胶 ...

热处理工艺对高强高导铜合金组织级性能的影响于晗(天津工业职业学院,天津300400)摘要:本研究利用多道次等径角挤压工艺制备了超细晶Cu-Cr-Zr合金棒,在450℃人工时效4h后,获得最佳综合性能:抗拉强度610MPa,断裂延伸率12.5%,硬度199HV,电导率77%IACS。通过EBSD技术和 ...

Zr基块体非晶合金玻璃形成能力与压铸成型性能研究王浩杰1,陈双双2,胡强3,邓希达1,邹继兆1,谢盛辉1,钱海霞1,曾燮榕1(1.深圳特种功能材料重点实验室&深圳先进陶瓷技术工程实验室,深圳大学材料学院,广东深圳518060;2.安徽工业大学材料科学与工程学院,安徽马鞍山243002;3.江西省科学 ...

汽车轻量化技术的研究现状综述李光霁,刘新玲(上海应用技术大学机械工程学院,上海201418)摘要:近年来汽车行业的科技水平发展程度逐渐提高,汽车行业进入高速发展阶段,然而随之而来的环境和能源问题也日趋加重。轻量化技术变成了各个汽车企业提升市场竞争力的关键,作者根据近些年来汽车轻量化技术现状进行综述, ...

油气田污水储罐腐蚀性能模拟设计及试验研究周勇1,周攀虎1,董会1,赵密锋2,孙良1,刘彦明1(1.西安石油大学材料科学与工程学院,西安710065,2.塔里木油田分公司,新疆库尔勒841000)摘要:为研究油气田污水对储罐腐蚀行为的影响,对储罐中污水进行腐蚀性能预测。模拟研究了温度、流速、压力以及p ...

窄带隙聚吡咯甲烷衍生物的制备与光学性能王攀,江玉婷,陈阳(滁州学院材料与化学工程学院,安徽滁州239000)摘要:由于高分子发光材料具有柔韧性好、合成简单、可大面积制备和使用寿命长等优点,成为近年来显示和照明领域的研究热点。本文以N-甲基吡咯和苯甲醛类为单体,采用缩聚法制备了3种可溶性、窄带隙、分子 ...

汽车六角球头冷锻工艺优化与数值仿真陈凌翔,李月超(新乡职业技术学院汽车工程系,河南新乡453000)摘要:冷锻成形工艺是一种少无切削的净近成形工艺,以其精度高、生产效率高、低耗节能等优点,大量使用在汽车零配件的生产。六角球头销是汽车转向系统中的关键零件,其六角成形的质量直接影响到产品的使用性能。本文 ...

具有高振实密度的单分散和亚微米级球形银粉的合成刘迪1,李秋影1,车延超2,纪康宁1,杨亚利1,张晨惠1(1.华东理工大学材料科学与工程学院,上海200237;2.山西福诺欧新材料科技股份有限公司,晋中030904)[HJ2.1mm]摘要:本文采用传统化学还原法,以硝酸银为银源,明胶为分散剂,抗坏血酸 ...

高铝粉煤灰活性剂影响TIG电弧行为研究张勇,唐家成,葛泽龙,杨泽宇,綦秀玲(辽宁工程技术大学材料科学与工程学院,辽宁阜新123000)摘要:为了研究高铝粉煤灰作为活性剂对钨极氩弧焊电弧特性的影响规律,继而明确复合成分活性剂调控焊接电弧增加焊缝熔深的机制。基于自行开发的数据采集平台,进行了实时焊接电流 ...

New time-"frequency rate" distribution for polynomial phase signal ZHANG Yun1, JIANG Yi-cheng1, WANG Yong1, LIU Rui-hua2 1.Institute of Electronic Engineering Technology,Harbin Institute of Technology,Harbin 150001,China;2.Colle ...

Morphology Similarity Distance for Bearing Fault Diagnosis Based on Multi-Scale Permutation Entropy Author NameAffiliationJinbao ZhangSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ChinaYongqiang ZhaoSchool of Mechatronics Engineering, Har ...

Influence of Si Contents on the Microstructure Evolution and Mechanical Properties of Al-Mg-Si-Cu-Zn Alloys Author NameAffiliationLiang ZhuState Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, ChinaMingxing GuoS ...

How do Users Evaluate Service Quality of the Dockless Bicycle Sharing System? Author NameAffiliationJianrong LiuSchool of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China Abstract: In order ...

Volatility Estimation of Multivariate ARMA-GARCH Model Author NameAffiliationPengfei XieSchool of Mathematics and Statistics, Xidian University, Xi’an 710071, ChinaJimin YeSchool of Mathematics and Statistics, Xidian University, Xi’an 710071, ChinaJunyuan WangSchool of Mathe ...

Role of Composite Phase Change Material on the Thermal Performance of a Latent Heat Storage System: Experimental Investigation Author NameAffiliationJasim AbdulateefDepartment of Mechanical Engineering, University of Diyala, Baquba 32001, IraqAhmed F. HasanDepartment of Chem ...

GEO Satellite Thruster Configuration and Optimization Author NameAffiliationJiajia FengBeijing Institute of Control Engineering, Beijing 100190, ChinaScience and Technology on Space Intelligent Control Laboratory,Beijing 100190,ChinaZuowei WangBeijing Institute of Control En ...

Disturbance Observer Design with a Bode’s Ideal Filter for Sigma-Delta Modulators Author NameAffiliationChi XuCollege of Information Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China Advanced Innovation Center for Soft Matter, Beijing U ...

Hidden Attractors in a Delayed Memristive Differential System with Fractional Order and Chaos Synchronization Author NameAffiliationDawei DingSchool of Electronics and Information Engineering, Anhui University, Hefei 230601, ChinaKey Laboratory of Intelligent Computing and S ...

Vibration Absorption Efficiency and Higher Branches Elimination of Variable-Stiffness Nonlinear Energy Sink Author NameAffiliationRui ZhongTianjin Key Laboratory of the Design and Intelligent Control of the Advanced Mechatronical System, Tianjin University of Technology,Tian ...

Probability Response of Shape Memory Alloy Beam Subjected to Noise Excitation Author NameAffiliationYuting LiSchool of Science, Xi’an Polytechnic University, Xi’an 710000, ChinaJinqian FengSchool of Science, Xi’an Polytechnic University, Xi’an 710000, ChinaYingxiao WangSchoo ...

Heat Dissipation Performance of Metal Core Printed Circuit Board with Micro Heat Exchanger Author NameAffiliationDiancheng QinGuangdong LED Packaging-Used Heat Dissipation Substrate Engineering Technology Research Center, Zhuhai 519180, Guangdong,ChinaKewei LiangRayben Techn ...

Review: Energy Methods for Multiaxial Fatigue Life Prediction Author NameAffiliationZheng ZhongSchool of Science, Harbin Institute of Technology, Shenzhen, Shenzhen 518055, Guangdong,ChinaYingya LuUnited Automotive Electronic Systems Co., Ltd., Shanghai 201206, China ...

Biodegradation of Ammonia Nitrogen Using a Novel Candida sp. Strain N6 Immobilization Author NameAffiliationKai WangSchool of Marine Science and Technology, Harbin Institute of Technology, Weihai,Weihai 264209, Shandong, ChinaSchool of Municipal and Environmental Engineering ...

Aging Behavior and Creep Characteristics of CACB Author NameAffiliationYunliang LiSchool of Transportation Science and Engineering, Harbin Institute of Technology, Harbin 150090, ChinaYuze LiuSchool of Transportation Science and Engineering, Harbin Institute of Technology, H ...

Adaptive Sliding Mode Control for the Excavator Manipulator Author NameAffiliationGuosheng XuSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ChinaGuangming LvSchool of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, ...

Effect of Crowding in Metro Carriages on Travelers’ Disutility: An Evidence from Guangzhou Metro Author NameAffiliationJianrong LiuSchool of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China Abstract: ...

Self-Recovery of Localization Loss for Indoor Mobile Robot Author NameAffiliationLin JiangKey Laboratory of Metallurgical Equipment and Control Technology, Wuhan University of Science and Technology, Wuhan 430081, ChinaHan WangKey Laboratory of Metallurgical Equipment and Co ...

Loop Closure Detection of Visual SLAM Based on Point and Line Features Author NameAffiliationChang’an LiuSchool of Control and Computer Engineering,North China Electric Power University,Beijing 102206, ChinaRuiying ChengSchool of Control and Computer Engineering,North China ...

Dynamics Analysis of Fractional-Order Memristive Time-Delay Chaotic System and Circuit Implementation Author NameAffiliationDawei DingSchool of Electronics and Information Engineering, Anhui University, Hefei 230601, ChinaHui LiuSchool of Electronics and Information Engineer ...

Static and Dynamic Analyses of Composite Beam Bonded with MFC Actuator Author NameAffiliationKe WuXi’an Institution of Space Radio Technology, Xi’an 710100, ChinaHoufei FangShanghai YS Information Technology Co., Ltd., Shanghai 200240, ChinaLan LanShanghai YS Information Tec ...

An LCC-HVDC Adaptive Emergency Power Support Strategy Based on Unbalanced Power On-Line Estimation Author NameAffiliationCongshan LiSchool of Electrical and Information Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, ChinaJian GuoSchool of Electrical a ...

Review:Chromatic Dispersion Manipulation Based on Optical Metasurfaces Author NameAffiliationBoyan FuNational Laboratory of Solid State Microstructures, School of Physics, College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China Collaborative In ...

Review: The Rise of Hydrovoltaics Author NameAffiliationJun YinState Key Laboratory of Mechanics and Control of Mechanical Structure, Key Laboratory for Intelligent Nano Materials and Devices of the Ministry of Education, Institute of Nanoscience, Nanjing University of Aeron ...

Review: Recent Progress on the Application of REBCO Superconductor Bulks Author NameAffiliationZili ZhangInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, ChinaYinming DaiInstitute of Electrical Engineering, Chinese Academy of Sciences, Beijin ...

Controlled Movements in Superlubric MEMS Author NameAffiliationCangyu QuInstitute of Superlubricity Technology, Research Institute of Tsinghua University in Shenzhen, Shenzhen 518057, Guangdong,ChinaXiaojian XiangInstitute of Superlubricity Technology, Research Institute of ...

Review: Scalable Fabrication of Polymeric Nanofibers from Nano- Spinning Techniques to Emerging Applications Author NameAffiliationJian LuState Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science andEngineering, Donghua Univ ...

Review: Research Progress for Electric Vehicle Hub Motor Driving Technology Author NameAffiliationJunqiu LiState Engineering Laboratory of Electric Vehicles, Beijing Institute of Technology, Beijing 100081, ChinaJiwei LiuState Engineering Laboratory of Electric Vehicles, Bei ...

Evaluation Method of Output Waveform Quality for Neutral-Point-Clamped Three-Level Converter Author NameAffiliationGuozheng ZhangThe National Local Joint Engineering Research Center of Electrical Machine System Design and Manufacturing, Tiangong University, Tianjin 300387,Ch ...

Review:Progress in SQUID-Based Geophysical Precision Measurement Technology Author NameAffiliationJun Lin1. Key Laboratory of Geophysical Exploration Equipment Jilin University, Ministry of Education, Changchun 130026, China2.College of Instrumentation and Electrical Enginee ...

Evolution Toward Artificial Intelligence of Things Under 6G Ubiquitous-X Author NameAffiliationPing ZhangState Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications, Beijing 100876, ChinaXiaodong XuNational Engineering Labo ...

Review: Layer-Number Controllable Preparation of High-Quality Graphene for Wide Applications Author NameAffiliationYun-Bin XieState Key Laboratory of Pollution Control and Resource Reuse, and Shanghai Institute of Pollution Control and Ecological Security, College of Environ ...

γ-Fe2O3@carboxymethyl Cellulose as Potential Oral Nanomedicine for Iron Deficiency Anemia Treatment on Rats Author NameAffiliationBo ChenJiangsu Key Laboratory for Biomaterials and Devices, State Key Laboratory of Bioelectronics, School of Biological Sciences & Medical Engin ...

Review: Recent Development of High-Order-Spectral MethodCombined with Computational Fluid Dynamics Method for Wave-Structure Interactions Author NameAffiliationYuan ZhuangComputational Marine Hydrodynamics Lab CMHL, State Key Laboratory of Ocean Engineering, School of Naval ...

Investigations about the Atomic Structure and Mechanical Behavior of Metallic Glasses after Melt Hydrogenation Author NameAffiliationBinbin WangNational Key Laboratory for Precision Hot Processing of Metals, School of Materials Science and Engineering, Harbin Institute of Te ...

Optimal Micro-Task Scheduling for Multi-Hop D2D-Enabled Mobile Edge Computing Author NameAffiliationLin GaoSchool of Electronics and Information Engineering, Harbin Institute of Technology, Shenzhen 518055, Guangdong, ChinaQinyu ZhangSchool of Electronics and Information Eng ...

Random Low Patch-rank Method for Interpolation of Regularly Missing Traces Author NameAffiliationJianwei MaDepartment of Mathematics, Center of Geophysics and Artificial Intelligence Laboratory, Harbin Institute of Technology, Harbin 150001, China Abstrac ...