Fangfang Liu

China University of Mining and Technology

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Xiuyun Chuan

Peking University

Weiping Chen

South China University of Technology

Jinan Niu

China University of Mining and Technology

Yupeng Zhao

Peking University

Bingbing Wan

Guangdong University of Petrochemical Technology

Chenyang Yin

Beijing Jiaotong University

W.Z. Weng

North China University of Water Resources and Electric Power

Zhaoju Qin

North China University of Water Resources and Electric Power

Zhen Han

Bioscience (China)

Tiwen Lu

East China University of Science and Technology

Cooperative Institutions

Peking University

Chinese Academy of Sciences

South China University of Technology

Dongguan University of Technology

Harbin Institute of Technology

Peking University Cancer Hospital

Dalian University of Technology

University of Chinese Academy of Sciences

China University of Mining and Technology

Dalian University

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Cooperative measurement accuracy evaluation method and software

Yu Ren Feng Zhang Fangfang Liu Xiaolei Hu Changyu Long

Nowadays most commercial measurement software only indirectly evaluates the accuracy of the cooperative measurement and lacks intuitiveness. Therefore an accuracy evaluation method of the cooperative measurement is studied so that the transformation parameters' error and the final results' error in the cooperative measurement are directly quantified. And customized software is developed which is used to quickly and easily evaluate and visually display the accuracy of the cooperative measurement in the industrial field. Finally an experiment with two laser trackers is conducted to prove the accuracy evaluation method and the software of cooperative measurement. It is obvious that the accuracy evaluation method is feasible and the accuracy evaluation software is user-friendly

10.1117/12.2602672

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Hierarchical hollow tubular fibrous brucite-templated carbons obtained by KOH activation for supercapacitors

RSC Advances (2023)

Fangfang Liu Xiuyun Chuan Yupeng Zhao

Hierarchical hollow tubular fibrous brucite-templated carbons (AHTFBCs) were prepared using natural mineral fiber brucite as the template and KOH as the chemical activator.

Brucite

10.1039/d2ra07454k

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Citations (3)

Thermal-Electric Coupling Simulation of the Soft Connector for Vehicle Lithium-Ion Power Battery

IEEE Conference Proceedings (2020)

Biao Jin Fangfang Liu Wen A Zhiqiang Xu Xun Guo

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Effect of Pipe Body Alloy on Weldability of X80 Steel

John Wiley & Sons, Inc. eBooks (2015)

Xianglei Kong Guojian Huang Kuijun Fu Fangfang Liu Minghao Huang

Effect of Mo, Ni, and Cr on impact property of pipe seam and heat-affected zone (HAZ) of X80 steel was investigated by thermal simulation test and butt welding test. The results showed that, there was an obvious relationship between strip's composition and the toughness of weld and HAZ, the more content of Mo, Ni and less of Cr in the strip matrix, the better of impact toughness of weld and HAZ. Metallographic microscope was used to compare microstructures of welding specimens, every welded seam microstructure was mainly acicular ferrite (AF) and a little volume of proeutectoid ferrite (PF), and with some granular precipitations on original austenite grain boundary, the difference was that there were more PF and less precipitations of the specimen with more content of Mo, Ni and less of Cr in the strip matrix. Because of the high price of Mo and Ni, alloy design must be considered comprehensively with the cost and property requirements in the production.

Acicular ferrite

Weldability

High-strength low-alloy steel

10.1002/9781119223399.ch55

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Research on the Integrated Training Mode of Higher Art Education for the Deaf

Figshare (2023)

Fangfang Liu

Abstract: The development of higher education for the disabled is one of the most important indicators of the development of education for the disabled in a country, whether the support policies are perfect, and whether the social civilization is advanced. The results showed that deaf students with general school experience had better adaptive ability The integration model was more conducive to improve deaf students’ school adaptive ability and social interaction awareness. The deaf students had higher demand for professional guidance and there is room for further improvement of the integration-training model. Based on the above research results and the problems in practice, this paper gives the corresponding countermeasure suggestions. The paper suggests that we should build a “trinity” integration education model oriented to socially integrated talents in art applications and improve the management system of integration education We should also improve the deaf college students’ learning support system under the leadership of the school, modify and reconstruct the integration curriculum system of arts and crafts majors, and strengthen the support and guidance of the society for the construction of integration environment.

Mode (computer interface)

Deaf education

10.6084/m9.figshare.22721764

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Stable Cycling of Solid-State Lithium Metal Batteries at Room Temperature via Reducing Electrode/Electrolyte Interfacial Resistance

Journal of Materials Engineering and Performance (2021)

Fangfang Liu Xiuyun Chuan Yang Yang Dubin Huang Xin He

Thermal Stability

Fast ion conductor

10.1007/s11665-021-05748-7

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Review of solid state recycling of aluminum chips

Resources Conservation and Recycling (2017)

Bingbing Wan Weiping Chen Tiwen Lu Fangfang Liu Zhenfei Jiang

Severe Plastic Deformation

Spark Plasma Sintering

10.1016/j.resconrec.2017.06.004

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Citations (135)

Thermal-Electric Coupling Simulation of the Soft Connector for Vehicle Lithium-Ion Power Battery

2022 14th International Conference on Measuring Technology and Mechatronics Automation (ICMTMA) (2020)

Biao Jin Fangfang Liu Anzhi Wen Xu Zhiqiang Guo Xun

The structure design of the fuse area in a soft connector for vehicle power lithium ion battery has important influence on the normal performance and safety of battery. Based on the thermal-electric coupling mathematical model, the finite element method(FEM) and experimental method are used to simulate and analyze the temperature field and electric field of a battery soft connector. The results show that the finite element model is feasible. Secondly, the temperature in the soft connector fuse area is the highest, which increases with the increasing of the input current and the decreasing of the cross-sectional area of it. In the same time, the highest electric current density occurs at the middle narrow area and increases with the decreasing of the cross-sectional area of it, moreover, the fuse structure with annular runway hole in the middle narrow area can be used as the final structure scheme. so it is of great significance to engineers to design reasonably the structure of soft connector fuse area to realize energy saving and cost reduction.

Fuse (electrical)

10.1109/icmtma50254.2020.00046

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Citations (2)

Determination of fluoride component in the multifunctional refining flux used for recycling aluminum scrap

Journal of Materials Research and Technology (2020)

Bingbing Wan Wenfang Li Fangfang Liu Tiwen Lu Shuoxun Jin

In this paper, the optimum fluoride component in the multifunctional refining flux used for recycling aluminum scrap was determined. Theoretical analysis of solid fluxing shows that strong stripping ability of oxide layer on aluminum surface for the flux and appropriate interfacial tensions between Al melt / inclusion (σM-I), flux / inclusion (σF-I), and flux / Al melt (σF-M) are indispensable for making the flux achieve the properties of covering, drossing, and cleaning simultaneously. In term of four preliminarily selected fluoride salts, i.e., KF, AlF3, K3AlF6 and KAlF4, the results of interfacial tension measurements indicates that, combined addition of A-type fluoride (KF) and B-type fluoride (AlF3, K3AlF6 and KAlF4) to equimolar NaCl-KCl can just offset the shortage of single addition of KF which means worsening the separating effect of flux from melt surface and weakening the wettability of flux on the inclusions due to the lower σF-M and the higher σF-I respectively. Additionally, coalescence behaviors of aluminum droplets in molten fluxes reveals that, KF, K3AlF6 or KAlF4 possesses stronger stripping ability of oxide layer, while the stripping ability of oxide layer for AlF3 is weaker. Ultimately, the combination of KF with K3AlF6 or/and KAlF4 is ascertained to be an optimum selection for fluoride component in the multifunctional refining flux.

Refining (metallurgy)

Stripping (fiber)

10.1016/j.jmrt.2020.01.082

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Citations (15)

Development of composite separators by coating hydrochloric acid-treated halloysite nanotubes on polypropylene separators for lithium-ion batteries

RSC Advances (2024)

Qinting Deng Xiuyun Chuan Yupeng Zhao Fangfang Liu Shizhi Huang

(1) HNTs treated with HCl of different concentrations were coated on both sides of PP separators to prepare PP/HNT composite separators. (2) The PP/HNT composite separators exhibited improved physical and electrochemical properties.

Halloysite

Hydrochloric acid

Polypropylene

10.1039/d4ra02164a

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Citations (3)