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学者姓名：王波
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Abstract ：
In experiments, printing paper is imprinted with three different ink micropatterns (square, grid, and stripe). The wetting contact angle of water droplets on a heterogeneous surface is then investigated using a proportionate scaling molecular dynamics (MD) simulation, where the water droplets and the ink-patterned printing paper are both shrunk by a factor of 200 000 collectively. The errors from the theoretical values are always less than 1 degrees, which is much less than the bias of experimental measurement data, according to the modeling contact angles. It has been demonstrated that this proportionate scaling approach works well to appropriately explain the interaction between micro-/nanostructures and liquids. With a scaling down factor of 200 000, a proportional scaling molecular dynamics (MD) simulation is used to explore the wetting contact angle. All deviations of the MD modeling contact angles are less than 1 degrees.
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| GB/T 7714 | Wang, Xiao , Chen, Lijun , Zhang, Chunlai et al. Proportional scaling molecular dynamics simulations of the wetting experiments of water droplets on ink-patterned printing paper [J]. | RSC ADVANCES , 2023 , 13 (47) : 32852-32857 . |
| MLA | Wang, Xiao et al. "Proportional scaling molecular dynamics simulations of the wetting experiments of water droplets on ink-patterned printing paper" . | RSC ADVANCES 13 . 47 (2023) : 32852-32857 . |
| APA | Wang, Xiao , Chen, Lijun , Zhang, Chunlai , Zhang, Xiping , Wu, Yintao , Wang, Bo . Proportional scaling molecular dynamics simulations of the wetting experiments of water droplets on ink-patterned printing paper . | RSC ADVANCES , 2023 , 13 (47) , 32852-32857 . |
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Abstract ：
In present paper, a novel flowable tritium breeder is prepared by mixing the Li2TiO3 micro-powders and liquid GaInSn alloy, where GaInSn alloy is used to simulate the fluid behaviors of lithium-based liquid tritium breeder, forming a type of composite characterized by liquid-solid dual phase. In detail, the effects of the volume fraction of ceramic micro-powders on viscosity and conductivity of the composite in magnetic field are the focus. The XRD results prove that the obtained Li2TiO3 micro-powders contained Li2TiO3 phase without impurities. The results shows that once the magnetic field intensity exceeds the critical value, the viscosity of liquid GaInSn metal becomes significantly greater than that of liquid-solid dual-phase composites. Furthermore, the addition of Li2TiO3 micro-powders could effectively reduce the magneto hydro dynamic (MHD) fluid effect, and the dual-phase composites exhibit comparatively lower flow resistance under the strong magnetic field. Moreover, the conductivity of the tritium breeder composites decreases rapidly with the addition of Li2TiO3 micro-powders. The MHD pressure-drop-increasing rate decreases with the increase of viscosity, which indicates that the addition of Li2TiO3 micro-powders effectively reduces the MHD effect. The conductivity of the composites increased slightly and then remained stable after static placing for several tens of minutes. The present investigation provides a novel insight into the fabrication strategy of tritium breeder materials with low MHD effect.
Keyword ：
liquid lithium liquid lithium Li2TiO3 Li2TiO3 viscosity viscosity liquid tritium breeder liquid tritium breeder MHD effect MHD effect
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| GB/T 7714 | Xu, Kun , Qi, Yanfei , Wang, Bo . An Innovative Approach to Prepare Liquid-Solid Dual-Phase Flowable Tritium Breeder with Low MHD Effect [J]. | MATERIALS , 2023 , 16 (1) . |
| MLA | Xu, Kun et al. "An Innovative Approach to Prepare Liquid-Solid Dual-Phase Flowable Tritium Breeder with Low MHD Effect" . | MATERIALS 16 . 1 (2023) . |
| APA | Xu, Kun , Qi, Yanfei , Wang, Bo . An Innovative Approach to Prepare Liquid-Solid Dual-Phase Flowable Tritium Breeder with Low MHD Effect . | MATERIALS , 2023 , 16 (1) . |
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Abstract ：
During the past decades, fusion reactor fuels such as deuterium and tritium have been extensively investigated due to increasing interest in nuclear fusion energy. Tritium, which is scarce in nature, needs to be fabricated by tritium breeder materials. Among the commonly investigated tritium breeder materials, lithium titanate (Li2TiO3) is recognized as one of the most promising solid tritium breeder materials because of its considerable lithium (Li) atomic density, low activation, excellent chemical stability, and low-temperature tritium release performance. This paper aims to provide a systematic review of the current progress in Li2TiO3 preparation methods as well as the high Li density, tritium release performance, irradiation behavior, and modification technologies of Li2TiO3 pebbles. Li2TiO3 can be synthesized by strategies such as solid-state, sol-gel, hydrothermal, solution combustion synthesis, and co-precipitation methods. Among them, the hydrothermal method is promising due to its simplicity and low cost. Many researchers have begun to focus on composite ceramic pebbles to further improve tritium breeder performance. This will provide a new direction for the future development of Li2TiO3 pebbles. The present review concludes with a summary of the preparation methods currently under development and offers an outlook of future opportunities, which will inspire more in-depth investigation and promote the practical application of Li2TiO3 in this field.
Keyword ：
fabrication method fabrication method tritium breeder tritium breeder modification modification tritium release tritium release irradiation irradiation Li2TiO3 pebbles Li2TiO3 pebbles lithium titanate (Li2TiO3) lithium titanate (Li2TiO3)
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| GB/T 7714 | Xu, Kun , Qi, Chao , Wang, Bo . Recent Progress in Research of Solid Tritium Breeder Materials Li2TiO3: A Review [J]. | COATINGS , 2022 , 12 (8) . |
| MLA | Xu, Kun et al. "Recent Progress in Research of Solid Tritium Breeder Materials Li2TiO3: A Review" . | COATINGS 12 . 8 (2022) . |
| APA | Xu, Kun , Qi, Chao , Wang, Bo . Recent Progress in Research of Solid Tritium Breeder Materials Li2TiO3: A Review . | COATINGS , 2022 , 12 (8) . |
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Abstract ：
Tungsten is considered as the foremost candidate material for the plasma facing material (PFM) in future fusion device, and excellent high temperature oxidation resistance is the important safety criterion to prevent radioactive pollution in case of a Loss-of-Coolant-Accident (LOCA) with simultaneous air ingress. Recently, high entropy alloys were found to have prominent high temperature oxidation resistance and corrosion resistance. The present paper focuses on the high temperature oxidation resistance of tungsten based high entropy alloy, and their structures and corrosion resistances are also studied. In this study, thin films of W, WTa, WTaCr, WTaCrV, WTaCrVAl, WTaCrVAlTi and WTaCrVAlTiZr were prepared via the magnetron sputtering method with a kind of composed target consisting of fan-shapes. The results show that as the number of selected elements increases, the entropy increases, the disorder of film structure increases significantly resulting in the formation of amorphous structure, and the corrosion resistance and oxidation resistance of the alloys also improve greatly. The further analysis and experiments proved that: one important reason for the improving of corrosion resistance and oxidation resistance is that the increase of mixing entropy reduces the Gibbs free energy of alloys and makes them more chemically stable; another reason is that the elements of Cr, Al, Ti and Zr can promote the formation of dense oxide passive layer.
Keyword ：
Oxidation kinetics Oxidation kinetics Corrosion behavior Corrosion behavior Microstructure Microstructure Tungsten alloys Tungsten alloys High entropy alloy High entropy alloy
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| GB/T 7714 | Zhang, Wenjie , Qi, Yanfei , Zhang, Lixia et al. The effect of alloy elements on corrosion and oxidative resistance of W-based alloy films [J]. | SURFACE & COATINGS TECHNOLOGY , 2022 , 434 . |
| MLA | Zhang, Wenjie et al. "The effect of alloy elements on corrosion and oxidative resistance of W-based alloy films" . | SURFACE & COATINGS TECHNOLOGY 434 (2022) . |
| APA | Zhang, Wenjie , Qi, Yanfei , Zhang, Lixia , Tang, Yunhui , Qi, Chao , Shen, Qi et al. The effect of alloy elements on corrosion and oxidative resistance of W-based alloy films . | SURFACE & COATINGS TECHNOLOGY , 2022 , 434 . |
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Abstract ：
提出了一种性能可调的宽带、极化与入射角不敏感的超材料太赫兹吸收器，该吸收器自上而下分为四层结构，分别是：硅半椭球/半球体复合结构、连续石墨烯层、PDMS介质层和金属背板。通过在TE波垂直入射条件下仿真，在已知结果基础上，对不同石墨烯化学势和不同结构条件下的电场结果分析表明，在硅半椭球/半球体亚波长复合结构所形成的连续、多模法布里-珀罗共振，以及由石墨烯所激发的多个离散的等离子体共振的协同作用下，其吸收光谱得到平滑和扩展，使该结构可实现吸收率宽范围可调，以及接近100%吸收率的宽频带吸收特性。特别的，当石墨烯化学势分别为0.2与0.9 eV时，其分别可获得约5.7 THz与7 THz的宽带太赫兹...
Keyword ：
化学势 化学势 硅半球层 硅半球层 宽带 宽带 太赫兹 太赫兹
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| GB/T 7714 | 孟宪睿 , 张铭 , 席宇鹏 et al. 复合石墨烯/硅半球的宽带太赫兹超材料吸收器 [J]. | 红外与激光工程 , 2022 , 51 (06) : 291-297 . |
| MLA | 孟宪睿 et al. "复合石墨烯/硅半球的宽带太赫兹超材料吸收器" . | 红外与激光工程 51 . 06 (2022) : 291-297 . |
| APA | 孟宪睿 , 张铭 , 席宇鹏 , 王如志 , 王长昊 , 王波 . 复合石墨烯/硅半球的宽带太赫兹超材料吸收器 . | 红外与激光工程 , 2022 , 51 (06) , 291-297 . |
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Abstract ：
Refractory high entropy alloys have broad application prospects due to their excellent comprehensive properties in high temperature environments, and they have been widely implemented in many complex working conditions. According to the latest research reports, the preparation technology of bulk and coating refractory high entropy alloys are summarized, and the advantages and disadvantages of each preparation technology are analyzed. In addition, the properties of refractory high entropy alloys, such as mechanical properties, wear resistance, corrosion resistance, oxidation resistance, and radiation resistance are reviewed. The existing scientific problems of refractory high entropy alloys, at present, are put forward, which provide reference for the development and application of refractory high entropy alloys in the future, especially for plasma-facing materials in nuclear fusion reactors.
Keyword ：
refractory high entropy alloys refractory high entropy alloys properties properties radiation resistance radiation resistance preparation technology preparation technology
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| GB/T 7714 | Ren, Xiqiang , Li, Yungang , Qi, Yanfei et al. Review on Preparation Technology and Properties of Refractory High Entropy Alloys [J]. | MATERIALS , 2022 , 15 (8) . |
| MLA | Ren, Xiqiang et al. "Review on Preparation Technology and Properties of Refractory High Entropy Alloys" . | MATERIALS 15 . 8 (2022) . |
| APA | Ren, Xiqiang , Li, Yungang , Qi, Yanfei , Wang, Bo . Review on Preparation Technology and Properties of Refractory High Entropy Alloys . | MATERIALS , 2022 , 15 (8) . |
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Abstract ：
Superhydrophobic surfaces have been widely employed in both fundamental research and industrial applications because of their self-cleaning, waterproof, and low-adhesion qualities. Maintaining the stability of the superhydrophobic state and avoiding water infiltration into the microstructure are the basis for realizing these characteristics, while the size, shape, and distribution of the heterogeneous microstructures affect both the static contact angle and the wetting transition mechanism. Here, we review various classical models of wettability, as well as the advanced models for the corrected static contact angle for heterogeneous surfaces, including the general roughness description, fractal theory description, re-entrant geometry description, and contact line description. Subsequently, we emphasize various wetting transition mechanisms on heterogeneous surfaces. The advanced testing strategies to investigate the wetting transition behavior will also be analyzed. In the end, future research priorities on the wetting transition mechanisms of heterogeneous surfaces are highlighted.
Keyword ：
superhydrophobic superhydrophobic contact angle contact angle microstructures microstructures wetting transition wetting transition
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| GB/T 7714 | Wang, Xiao , Fu, Cheng , Zhang, Chunlai et al. A Comprehensive Review of Wetting Transition Mechanism on the Surfaces of Microstructures from Theory and Testing Methods [J]. | MATERIALS , 2022 , 15 (14) . |
| MLA | Wang, Xiao et al. "A Comprehensive Review of Wetting Transition Mechanism on the Surfaces of Microstructures from Theory and Testing Methods" . | MATERIALS 15 . 14 (2022) . |
| APA | Wang, Xiao , Fu, Cheng , Zhang, Chunlai , Qiu, Zhengyao , Wang, Bo . A Comprehensive Review of Wetting Transition Mechanism on the Surfaces of Microstructures from Theory and Testing Methods . | MATERIALS , 2022 , 15 (14) . |
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Abstract ：
超疏水表面能够通过形成水下气液界面有效降低流体的摩擦阻力,具有良好的减阻性能,在水下航行器、微流体器件及管道运输等领域有着广阔的应用前景。本文基于超疏水表面的润湿特性,讨论介绍了其表面产生减阻现象的机理,重点总结了国内外超疏水表面减阻效率的影响因素与水下气液界面增稳、恢复问题的研究现状。最后,对超疏水表面在水下减阻应用上面临的问题和发展前景进行了探讨,为超疏水表面水下减阻技术的研发工作提供参考。
Keyword ：
微结构 微结构 减阻 减阻 气液界面 气液界面 超疏水表面 超疏水表面
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| GB/T 7714 | 张春来 , 王潇 , 吴银涛 et al. 超疏水表面水下减阻技术研究进展 [J]. | 功能材料与器件学报 , 2021 , 27 (05) : 445-455 . |
| MLA | 张春来 et al. "超疏水表面水下减阻技术研究进展" . | 功能材料与器件学报 27 . 05 (2021) : 445-455 . |
| APA | 张春来 , 王潇 , 吴银涛 , 王波 . 超疏水表面水下减阻技术研究进展 . | 功能材料与器件学报 , 2021 , 27 (05) , 445-455 . |
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Abstract ：
金属辅助化学刻蚀法制备硅纳米线及其工艺参数优化
Keyword ：
刻蚀反应时间 刻蚀反应时间 硅纳米线 硅纳米线 刻蚀反应温度 刻蚀反应温度 HF浓度 HF浓度 金属辅助化学刻蚀法 金属辅助化学刻蚀法 搅拌速度 搅拌速度 形貌结构 形貌结构
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| GB/T 7714 | 王波 , 高灿灿 , 薛睿 et al. 金属辅助化学刻蚀法制备硅纳米线及其工艺参数优化 [J]. | 王波 , 2021 , 47 (2) : 179-185 . |
| MLA | 王波 et al. "金属辅助化学刻蚀法制备硅纳米线及其工艺参数优化" . | 王波 47 . 2 (2021) : 179-185 . |
| APA | 王波 , 高灿灿 , 薛睿 , 北京工业大学学报 . 金属辅助化学刻蚀法制备硅纳米线及其工艺参数优化 . | 王波 , 2021 , 47 (2) , 179-185 . |
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Abstract ：
In this study, the method of magnetic Barkhausenn noise (MBN) and tangential magnetic field (TMF) was employed for achieving simultaneous, quantitative prediction of residual stress and surface hardness in box-shape deep drawn parts of SPCC steel. Bi-directional MBN and TMF signals, profiles of surface hardness and residual stress were experimentally measured. Pearson correlation analysis results show that the averaged amplitude of MBN in one magnetization cycle and Root mean square of MBN signal demonstrates approximate linear dependency on residual stress (or surface hardness) in both the measured directions. Three-layer BP models are established after input nodes screening and optimization of neurons' number in the middle hidden layer. BP models are marked corresponding to scanning or magnetization directions. For each direction, two independent models are established and they are combined to use for realizing high accuracy and simultaneous evaluation of the residual stress and surface hardness.
Keyword ：
Magnetic Barkhausen noise Magnetic Barkhausen noise Deep drawn part Deep drawn part Residual stress Residual stress Quantitative prediction Quantitative prediction Surface hardness Surface hardness
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| GB/T 7714 | Dong, Haijiang , Liu, Xiucheng , Song, Yahu et al. Quantitative evaluation of residual stress and surface hardness in deep drawn parts based on magnetic Barkhausen noise technology [J]. | MEASUREMENT , 2021 , 168 . |
| MLA | Dong, Haijiang et al. "Quantitative evaluation of residual stress and surface hardness in deep drawn parts based on magnetic Barkhausen noise technology" . | MEASUREMENT 168 (2021) . |
| APA | Dong, Haijiang , Liu, Xiucheng , Song, Yahu , Wang, Bo , Chen, Shenglai , He, Cunfu . Quantitative evaluation of residual stress and surface hardness in deep drawn parts based on magnetic Barkhausen noise technology . | MEASUREMENT , 2021 , 168 . |
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