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Correction to:Preface:Special Issue on Modeling,Simulation,and Optimization in Operational Research

Journal of the Operations Research Society of China 2024年第2期12卷 548-548页

作者： Gerhard-Wilhelm Weber J.Joshua Thomas Jose Antonio Marmolejo Saucedo Ugo Fiore Igor Litvinchev Pandian Vasant Poznan University of Technology PoznanPoland Institute of Applied Mathematics Middle East Technical UniversityAnkaraTurkey uow malaysia KDU Penang University CollegePetaling JayaMalaysia Facultad de Ingenieria Universidad PanamericanaMexico CityMexico Parthenope University and at Federico II University NaplesItaly Nuevo Leon State University San Nicolas de los GarzaMexico MERLIN Research Centre Ton Duc Thang UniversityHo Chi Minh CityVietnam

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A new path in lighting and display:white light emitting diode with a single active layer

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Science Bulletin 2021年第9期66卷 860-861,M0003页

作者： Yoshio Bando Australian Institute for Innovative Materials(AIIM) University of Wollongong(UOW)North WollongongNSW 2500Australia Institute of Molecular Plus Tianjin UniversityTianjin 300072China

Light sources,especially white light sources,are indispensable and their development is strongly correlated with the progress of our technology-based *** light sources have evolved from the primitive flame-based devices of 600,000 years ago to the current LED and electroluminescence devices,and continue to illuminate human activities and technological *** 2014 Nobel Prize in Physics was awarded to Professor Shuji Nakamura et *** their outstanding contributions in the invention of blue light emitting diodes and white light emitting diodes(WLED),which have become some of the most important sources for lighting,televisual displays,and for other applications[1].

关键词：发光层 diodes lighting

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Application of Scanning Tunneling Microscopy in Electrocatalysis and Electrochemistry

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Electrochemical Energy Reviews 2021年第2期4卷 249-268页

作者： Haifeng Feng Xun Xu Yi Du Shi Xue Dou Institute for Superconducting and Electronic Materials Australian Institute for Innovative MaterialsUniversity of WollongongWollongongNSW 2500Australia BUAA‑uow Joint Research Centre Beihang UniversityHaidian DistrictBeijing 100191China

Scanning tunneling microscopy(STM)has gained increasing attention in the field of electrocatalysis due to its ability to reveal electrocatalyst surface structures down to the atomic level in either ultra-high-vacuum(UHV)or harsh electrochemical *** detailed knowledge of surface structures,surface electronic structures,surface active sites as well as the interaction between surface adsorbates and electrocatalysts is highly beneficial in the study of electrocatalytic mechanisms and for the rational design of *** on this,this review will discuss the application of STM in the characterization of electrocatalyst surfaces and the investigation of electrochemical interfaces between electrocatalyst surfaces and *** on different operating conditions,UHV-STM and STM in electrochemical environments(EC-STM)are discussed *** review will also present emerging techniques including high-speed EC-STM,scanning noise microscopy and tip-enhanced Raman spectroscopy.

关键词： Electrochemist Electrocatalyst STM EC-STM

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s-p orbital hybridization: a strategy for developing efficient photocatalysts with high carrier mobility

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Science Bulletin 2018年第8期63卷 465-468页

作者： Zhong-Fei Xu Kang Xu Hai-Feng Feng Yi Du Wei-Chang Hao Department of Physics and Key Laboratory of Micro-nano Measurement Manipulation and Physics Ministry of Education (MOE) Beihang University BUAA-uow Joint Research Centre Beihang University Institute for Superconducting and Electronic Materials University of Wollongong

Photocatalysis has not only invigorated the field of energy conversion materials,but also is leading to bright prospects for application in the environmental purification field[1].Akira Fujishima and Kenichi Honda[2]first reported photocatalytic water splitting on a Ti O2semiconductor electrode under ultraviolet(UV)light *** semiconductor photocatalysts,electrons are excited from valence band maximum(VBM)to conduction band

关键词：半导体光催化剂活动性开发搬运杂交轨道 Honda 半导体电极

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Preface:Special Issue on Modeling,Simulation,and Optimization in Operational Research

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Journal of the Operations Research Society of China 2022年第4期10卷 685-688页

作者： Gerhard-Wilhelm Weber J.Joshua Thomas José Antonio Marmolejo Saucedo Ugo Fiore Igor Litvinchev Pandian Vasant Poznan University of Technology PoznanPoland Institute of Applied Mathematics Middle East Technical UniversityAnkaraTurkey uow malaysia KDU Penang University CollegePetaling JayaMalaysia Facultad de Ingeniería Universidad PanamericanaMexico CityMexico Parthenope University and at Federico II University NaplesItaly Nuevo Leon State University San Nicolás de los GarzaMexico MERLIN Research Centre Ton Duc Thang UniversityHo Chi Minh CityVietnam

“Operational Research”(OR)is“the discipline of applying advanced analytical methods to help make better decisions”.By using techniques such as problem structuring methods and mathematical modeling to analyze nontr... 详细信息

关键词： Simulation applying productive

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Experimental Investigation on Micro Deep Drawing of Stainless Steel Foils with Different Microstructural Characteristics

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Chinese Journal of Mechanical Engineering 2021年第2期34卷 179-189页

作者： Jingwei Zhao Tao Wang Fanghui Jia Zhou Li Cunlong Zhou Qingxue Huang Zhengyi Jiang College of Mechanical and Vehicle Engineering Taiyuan University of TechnologyTaiyuan 030024China Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment Ministry of EducationTaiyuan 030024China TYUT-uow Joint Research Center Taiyuan University of TechnologyTaiyuan 030024China TYUT-uow Joint Research Center University of WollongongWollongongNSW 2522Australia School of Mechanical MaterialsMechatronic and Biomedical EngineeringUniversity of WollongongWollongongNSW 2522Australia Shanxi Provincial Key Laboratory on Metallurgical Device Design and Theory Taiyuan University of Science and TechnologyTaiyuan 030024China

In the present work,austenitic stainless steel(ASS)304 foils with a thickness of 50μm were first annealed at temperatures ranging from 700 to 1100℃for 1 h to obtain different microstructural *** the effects of microstructural characteristics on the formability of ASS 304 foils and the quality of drawn cups using micro deep drawing(MDD)were studied,and the mechanism involved was *** results show that the as-received ASS 304 foil has a poor formability and cannot be used to form a cup using *** wrinkling problem occurs on the drawn cup,and the height profile distribution on the mouth and the symmetry of the drawn cup is quite non-uniform when the annealing temperature is 700℃.At annealing temperatures of 900 and 950℃,the drawn cups are both characterized with very few wrinkles,and the distribution of height profile,symmetry and mouth thickness are uniform on the mouths of the drawn *** wrinkling becomes increasingly significant with a further increase of annealing temperature from 950 to 1100℃.The optimal annealing temperatures obtained in this study are 900 and 950℃for reducing the generation of wrinkling,and therefore improving the quality of drawn *** non-optimized microstructure,the distribution of the compressive stress in the circumferential direction of the drawn foils becomes inhomogeneous,which is thought to be the cause of the occurrence of localized deformation till wrinkling during MDD.

关键词： Microforming Micro deep drawing Stainless steel foils Wrinkling Annealing Microstructure

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The role of oxygen vacancies in the high cycling endurance and quantum conductance in BiVO4-based resistive switching memory

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InfoMat 2020年第5期2卷 960-967页

作者： Mengting Zhao Xiaobing Yan Long Ren Mengliu Zhao Fei Guo Jincheng Zhuang Yi Du Weichang Hao School of Physics and BUAA-uow Joint Research Centre Beihang UniversityBeijingChina College of Electronic and Information Engineering Hebei UniversityBaodingChina Institute for Superconducting and Electronic Materials University of WollongongWollongongNew South WalesAustralia

Resistive random access memory(RRAM)has emerged as a new discipline promoting the development of new materials and devices toward a broad range of electronic and energy ***,we realized a memristive device with weak dependence on the top electrodes and demonstrated the quantized conductance(QC)nature in BiVO4 *** electronic properties have been investigated by the measurements of I-V curves,where the resistive switching(RS)phenomenon with stable switching ratio and excellent longterm retention capabilities are *** more inert materials,TiN and Pd,are applied as the top electrodes to exclude the influence of electrodes on the RS states and QC *** X-ray photoelectron spectroscopy results and transport measurements reveal that the conductive filament(CF)is composed by elemental *** naturally existed oxygen vacancies in BiVO4 matrix plays as the role of catalyst in the formation and dissolution of CF in BiVO4-based RRAM device,which is the primary cause for the observed weak dependence of switching performance in this device on the type of top *** results clearly illustrate that BiVO4 could be a new idea platform to realize the high scalability,high cycling endurance,and multilevel storage RRAM devices.

关键词： Bi nanowires BiVO4 quantum conductance RRAM

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Interface structures and mechanical properties of corrugated + flat rolled and traditional rolled Mg/Al clad plates

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Rare Metals 2021年第10期40卷 2947-2955页

作者： Sha Li Chao Luo Muhammad-Umar Bashir Yi Jia Jian-Chao Han Tao Wang College of Mechanical and Vehicle Engineering Taiyuan University of TechnologyTaiyuan 030024China Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment Ministry of EducationTaiyuan 030024China TYUT-uow Joint Research Center Taiyuan University of TechnologyTaiyuan 030024China

The corrugated + flat rolling(CFR) and traditional rolling(TR) methods were used to prepare Mg/Al clad plates using AZ31 B Mg and 5052 Al plates, and the interface morphologies and mechanical properties of the resulting clad plates were compared. Examination of the microstructures of the plates showed that the TRed Mg/Al clad plate presented a straight interface, while a corrugated interface containing fractured intermetallic particulates was observed for the CFRed plate due to the inhomogeneous strain induced by the corrugated roller. During the CFR process, the corrugated roller can accelerate the rupture of the substrate work-hardening layers and facilitate the mutual extrusion of fresh metals to enhance the interface bonding. Compared with the traditional basal texture of the Mg alloy, the CFR process can change the texture morphology, thereby enhancing the plastic deformation ability of the Mg plate. Tensile tests showed that the CFRed Mg/Al clad plate exhibited a higher ultimate tensile strength(UTS, 316 MPa), which was~ 8% higher than that of the TRed plate(293 MPa). In addition, the bending curve of the CFRed clad plate was smooth and there was no stress sudden drop phenomenon in the bending process. The higher UTS and excellent bending properties of the CFRed clad plate could be attributed to the enhanced coordinated deformation ability of the substrates induced by the corrugated interface, grain refinement, and the change in the Mg alloy texture morphology.

关键词： Mg/Al clad plate Corrugated+flat rolling Traditional rolling Interface morphologies Mechanical properties

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Interfacial bonding mechanism of Cu/Al composite plate produced by corrugated cold roll bonding

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Rare Metals 2021年第5期40卷 1284-1293页

作者： Tao Wang Xiang-Yu Gao Zhi-Xiong Zhang Zhong-Kai Ren Yan-Yang Qi Jing-Wei Zhao College of Mechanical and Vehicle Engineering Taiyuan University of TechnologyTaiyuan 030024China Shanxi Engineering Research Center for Metal Composites Forming Process and Equipment Taiyuan University of TechnologyTaiyuan 030024China TYUT-uow Joint Research Center Taiyuan University of TechnologyTaiyuan 030024China

Corrugated cold roll bonding(CCRB) produces metal composite plate with improved mechanical properties compared with conventional methods,but the interfacial mechanism is not fully ***,Cu/Al composite plate with good plate shape was produced by CCRB,and the bonding mechanism and strength along the corrugated interface were studied by experiments and finite element *** results showed that the average bonding strength of Cu/Al composite plate produced by CCRB was nearly twice that of conventional composite plate at an average reduction of 40% during *** friction shear stresses occurred at the interface of the corrugated composite plate,which promoted the plastic deformation of the metals and accelerated the rupture of the brittle interfacial *** backscattered diffraction analysis showed that higher degrees of grain elongation and refinement occurred in the matrices at the front waist and trough due to the stronger normal and shear ***-dispersive spectroscopy line scans showed that the thickest atomic diffusion layer occurred at the front *** present combination of experimental and computational analyses provides insights into the underlying mechanism of mechanically improved metal composites prepared by CCRB.

关键词： Corrugated cold roll bonding Cu/Al composite Bonding strength Friction shear stress Grain refinement Atomic diffusion layer

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A review of the effect of tungsten alloying on the microstructure and properties of steels

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Tungsten 2023年第4期5卷 440-466页

作者： Jun-Jie Lian Xiao-Guang Ma Zheng-Yi Jiang Chong Soo Lee Jing-Wei Zhao College of Mechanical and Vehicle Engineering Taiyuan University of TechnologyTaiyuan030024China Engineering Research Center of Advanced Metal Composites Forming Technology and Equipment Ministry of EducationTaiyuan030024China Taiyuan University of Technology-University of Wollongong(TYUT-uow)Joint Research Center Taiyuan University of TechnologyTaiyuan030024China School of Mechanical MaterialsBiomedical and Mechatronic EngineeringUniversity of WollongongWollongongNSW2522Australia TYUT‑uow Joint Research Center University of WollongongWollongongNSW2522Australia Graduate Institute of Ferrous and Energy Materials Technology Pohang University of Science and TechnologyPohang37673South Korea

With the continuous development of science and technology,the increasingly severe service environment makes people put forward higher requirements for the performance of alloy *** has unique properties such as excellent strength,high density and good hardness,and its addition as an alloying element will change the properties of alloy *** paper aims to summarize the effect of the addition of tungsten on the micro structure and mechanical properties of alloy *** background of research and application of tungsten alloyed steel is presented ***,the preparation methods of tungsten alloyed steel are ***,the effect of tungsten incorporation on the microstructure of alloy steel is ***,the effects of tungsten addition on the mechanical properties,corrosion resistance and hydrogen embrittlement resistance of the alloy steel are *** review provides an outlook on the development of tungsten alloyed steel,which will stimulate more in-depth research and ultimately promote the practical application of tungsten alloyed steel.

关键词： Tungsten Alloy steel Microstructure Properties

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