89 Result(s)

Article

Towards athermal optically-interconnected computing system using slotted silicon microring resonators and RF-photonic comb generation

We report that completely athermal design of a slotted silicon waveguide is possible by combining the negative thermo-optic (TO) coefficient of, for example, polymethyl methacrylate (PMMA) with the positive TO...

Linjie Zhou, Ken Kashiwagi, Katsunari Okamoto, R. P. Scott… in Applied Physics A (2009)

Article

Design and evaluation of an arbitration-free passive optical crossbar for on-chip interconnection networks

With recent advances in silicon nanophotonics, optical crossbars based on CMOS-compatible microring resonators have emerged as viable on-chip optical interconnection networks to deliver high-bandwidth communic...

Linjie Zhou, Stevan S. Djordjevic, Roberto Proietti, Dan Ding… in Applied Physics A (2009)

Article

Evaluating Bending Strength of Plasma Sprayed Al₂O₃ Coatings

The bending strength of plasma sprayed Al₂O₃ coatings was evaluated using three-point bending tests. The measured strength data sets were statistically analyzed by employing Weibull distribution. It was found tha...

Zhijian Yin, Shunyan Tao, **aming Zhou… in Journal of Thermal Spray Technology (2009)

Article

Antibacterial Property and Biocompatibility of Plasma Sprayed Hydroxyapatite/Silver Composite Coatings

Xuebin Zheng, Yikai Chen, Youtao **e, Heng Ji… in Journal of Thermal Spray Technology (2009)

Article

A particle swarm optimization approach for components placement inspection on printed circuit boards

Chun-Ho Wu, Da-Zhi Wang, Andrew Ip, Ding-Wei Wang… in Journal of Intelligent Manufacturing (2009)

Article

Investigation on the application of reformed coke oven gas in direct reduction iron production with a mathematical model

To investigate the application of reformed coke oven gas (COG) in producing the direct reduction iron (DRI), we simulated a countercurrent gas solid moving bed reactor in which the iron ore pellet was reduced ...

Juan Wu, Shu-Qiang Guo, Wei-Zhong Ding in Advances in Manufacturing (2013)

Article

Determination of accurate theoretical values for thermodynamic properties in bulk metallic glasses

Deviation values of specific heat difference \( \Updelta C_{\rm p},\) ...

Pei-You Li, Gang Wang, Ding Ding, Jun Shen in Advances in Manufacturing (2013)

Article

Effect of heat treatment on corrosion behavior of low pressure sand cast Mg-10Gd-3Y-0.5Zr alloys

The corrosion behaviors of low-pressure sand cast Mg-10Gd-3Y-0.5Zr (wt.%) alloys in as-cast, solution treated (T4) and aged (T6) conditions were studied by means of immersion test and electrochemical measureme...

Qian-qian Wu, Guang-ling Wei, Guo-hua Wu, Wen-cai Liu, Tian-peng Xuan… in China Foundry (2016)

Article

Dependency of microstructure and microhardness on withdrawal rate of Ti-43Al-2Cr-2Nb alloy prepared by electromagnetic cold crucible directional solidification

The intermetallic Ti-43Al-2Cr-2Nb (at.%) alloy was directionally solidified in an electromagnetic cold crucible with different withdrawal rates (V) ranging from 0.2 to 1.0 mm∙min^-1, at a constant temperature grad...

Yong-zhe Wang, Hong-sheng Ding, Rui-run Chen, **g-jie Guo, Heng-zhi Fu in China Foundry (2016)

Article

A high-Nb TiAl alloy with highly refined microstructure and excellent mechanical properties fabricated by electromagnetic continuous casting

In the present research, microstructure refinement of a high-Nb TiAl alloy (Ti-48Al-8Nb-0.15B ) was realized by means of the electromagnetic continuous casting (EMCC) technique. The microstructure of an ingot ...

Yong-zhe Wang, Hong-sheng Ding, Rui-run Chen, **g-jie Guo, Heng-zhi Fu… in China Foundry (2016)

Article

Effect of thermal annealing on scintillation properties of Ce:Gd₂Y₁Ga_2.7Al_2.3O₁₂ under different atmosphere

Cerium-doped 1% Ce:Gd₂Y₁Ga_2.7Al_2.3O₁₂(GYGAG) single crystal samples grown via Czochralski method were annealed under air, O₂ and N₂ atmospheres from 350 to 1400 °C. The X-ray excited luminescence spectra, energy ...

Chao Wang, Dongzhou Ding, Yuntao Wu, Huanying Li, **aofeng Chen… in Applied Physics A (2017)

Article

Microstructure and mechanical properties of Ni₃Al intermetallics prepared by directional solidification electromagnetic cold crucible technique

The present work focused on the Ni₃Al-based alloy with a high melting point. The aim of the research is to study the effect of withdrawal rate on the microstructures and mechanical properties of directionally sol...

Hong-sheng Ding, Guo-tian Wang, Rui-run Chen, **g-jie Guo, Heng-zhi Fu in China Foundry (2017)

Article

Structure of Micro-nano WC-10Co4Cr Coating and Cavitation Erosion Resistance in NaCl Solution

Cavitation erosion (CE) is the predominant cause for the failure of overflow components in fluid machinery. Advanced coatings have provided an effective solution to cavitation erosion due to the rapid developm...

**ang Ding, Xu-Dong Cheng, Cheng-Qing Yuan… in Chinese Journal of Mechanical Engineering (2017)

Article

Solidification path calculations of Al-Zn-Mg alloys in Al-rich corner

The solidification paths of Al-Zn-Mg alloys in the Al-rich corner were investigated. The thermodynamic data for the calculation are obtained by direct coupling with the CALPHAD software Thermo-Calc via its TQ6...

Guang-wei Zhao, Chong Ding, **n-sheng Gu, **-Cong Ye, Cai-hua Huang… in China Foundry (2017)

Article

Effects of minor Y, Zr and Er addition on microstructure and properties of Al-5Cu-0.4Mn alloy

The effect of different contents of Y, Zr and Er on microstructure and properties of Al-5Cu-0.4Mn alloy was investigated. T6 heat treatment, OM, SEM and EDS methods were applied to the alloy. The results showe...

Feng Zhang, Ting-biao Guo, Qi Li, Chen Wang, Wan-wu Ding, Qing-lin Li in China Foundry (2017)

Article

Influence of thermal exposure on microstructure and stress rupture properties of a new Re-containing single crystal Ni-based superalloy

In this study, the long-term thermal microstructural stability and related stress rupture lives of a new Re-containing Ni-based single-crystal superalloy, DD11, were investigated after high-temperature exposur...

Chen-guang Liu, Yun-song Zhao, Jian Zhang, Ding-zhong Tang, Chun-zhi Li… in China Foundry (2018)

Article

Locomotion Optimization and Manipulation Planning of a Tetrahedron-Based Mobile Mechanism with Binary Control

Locomotion and manipulation optimization is essential for the performance of tetrahedron-based mobile mechanism. Most of current optimization methods are constrained to the continuous actuated system with limi...

Ran Liu, Yan-An Yao, Wan Ding, **ao-** Liu in Chinese Journal of Mechanical Engineering (2018)

Article

Closed-Form Modeling and Analysis of an XY Flexure-Based Nano-Manipulator

Flexure-based mechanisms are widely utilized in nano manipulations. The closed-form statics and dynamics modeling is difficult due to the complex topologies, the inevitable compliance of levers, the Hertzian c...

Yan-Ding Qin, **n Zhao, Bijan Shirinzadeh… in Chinese Journal of Mechanical Engineering (2018)

Article

Ignition-proof performance and mechanism of AZ91D-3Nd-xDy magnesium alloys at high temperatures

This study focused on the synergistic effect of alloying elements neodymium (Nd) and dysprosium (Dy) on the ignition-proof performance of AZ91D alloy. The ignition-proof mechanism of AZ91D-3Nd-xDy (x = 0.5, 1.0, ...

Yong-yan Li, Wei-min Zhao, Jian Ding, Hai-tao Xue in China Foundry (2018)

Article

An Error Equivalent Model of Revolute Joints with Clearances for Antenna Pointing Mechanisms

Joint clearances in antenna pointing mechanisms lead to uncertainty in function deviation. Current studies mainly focus on radial clearance of revolute joints, while axial clearance has rarely been taken into ...

Quan Liu, Sheng-Nan Lu, **-Lun Ding in Chinese Journal of Mechanical Engineering (2018)