Feng Fang

Northeastern University

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Yuanxiang Zhang

Northeastern University

Guodong Wang

Shaanxi Normal University

Yang Wang

Northeastern University

Guo Yuan

Northeastern University

Xiang Lu

Changsha Mining and Metallurgy Research Institute (China)

Guo Yuan

Northeastern University

R.D.K. Misra

The University of Texas at El Paso

Guangming Cao

Northeastern University

Yunbo Xu

Northeastern University

Weina Zhang

Chinese Academy of Medical Sciences & Peking Union Medical College

Cooperative Institutions

Northeastern University

113

Chinese Academy of Sciences

Universidad del Noreste

Chinese Academy of Medical Sciences & Peking Union Medical College

University of Chinese Academy of Sciences

Southeast University

Xi'an Jiaotong University

Harbin Institute of Technology

Central South University

Shanghai Jiao Tong University

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Dynamics and Diagnosis Method on Gear Drive. 2nd Report. Dynamic Characteristics and Diagnosis Method.

TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C (2001)

Feng Fang Peng Chen Toshio TOYOTA Xinfang LIU Hiroshi SHIMAZU

Wear state of a gear drive is the most frequent fault in rotating machinery, but there is not a acceptable method to diagnose the wear state in practical plant, and the condition monitoring of gear wear state has been carried out mainly by statistical way and experience. In order to overcome the difficulties, in the 1st report, we have pointed out the problems of the traditional diagnosis method using only the dynamic model of normal state, and clarify the dynamic characteristics on failure gears by the locus analysis of the meshing contact point. In this report, we show the dynamic characteristics by simulation and experiment, and propose feature parameters for diagnosing wear state of gear drive. The efficiency of the method proposed in this paper is verified by the results of simulation and experiment.

10.1299/kikaic.67.1591

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Preparation and anticorrosion performance of graphene composited waterborne coatings

Journal of Physics Conference Series (2024)

Han Zhang Raoliang Miao Xuefeng Xie Hanjun Ma Feng Fang

Abstract Waterborne coatings are safe and environmentally friendly and widely used in automobile, construction and other fields. The low hardness of films formed by water-based anticorrosion coatings and their poor anticorrosion effect can be resulted from the addition of hydrophilic substances, which make it easy for water penetration. In this experiment, glycidyl methacrylate (GMA), butyl acrylate (BA), methyl methacrylate (MMA), and acrylic acid (AA) were used as the polymerization monomers to enhance the hardness, adhesion, and film-forming properties of the coatings by introducing the epoxy bond of GMA in the synthesis. The appropriate formula ratios for the waterborne coatings were determined by conditioning the content of wetting agent, thickener, levelling agent, defoamer, and modified acrylic-based resin. Based on this formula, suitable additive ratios of graphene were determined by condition experiments. When the addition ratio of graphene was 0.6wt% - 0.8wt%, the obtained coatings exhibited satisfactory hardness, film-forming properties, strong adhesion and anticorrosive properties. The results of salt spray tests and potentiodynamic polarization experiments verified that graphene in a certain proportion can effectively block the penetration of water, so that the coating presented excellent properties.

Acrylic acid

Acrylic resin

10.1088/1742-6596/2740/1/012021

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Citations (0)

Influence of cold rolling direction on texture, inhibitor and magnetic properties in strip-cast grain-oriented 3% silicon steel

Journal of Magnetism and Magnetic Materials (2016)

Feng Fang Xu Lu Yuanxiang Zhang Yajun Wang Haitao Jiao

Electrical steel

Recrystallization (geology)

10.1016/j.jmmm.2016.10.086

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Citations (16)

An experimental and molecular dynamics study on the formation of low-energy grain boundaries induced by grain rotation during rapid solidification

Materials Letters (2023)

Nuojin Wang Yuanxiang Zhang Yan Wang Feng Fang Tianmo Wu

Dynamics

10.1016/j.matlet.2023.135116

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Citations (2)

Analysis on adhere abrasion of bush of diesel engine

Feng Fang

The paper analyzes the adopt bush event in maintenance of the electric generation diesel engine of a ship,including in the running test procedure,mounting,lubricating oil as well as the installation quality,in order to find out the real causes for adopt bush,and puts forward the measures of preventing adopt bush in the daily management.

Abrasion (mechanical)

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A Comparative Study of Microstructure and Texture Evolution in Cu-Bearing and Nb-Bearing Grain Oriented Silicon Steels

steel research international (2016)

Yang Wang Feng Fang Xiang Lu Yuanxiang Zhang Yunbo Xu

Here, the authors elucidate the microstructure and texture evolution in ultra-low carbon grain oriented silicon steels with (Cu,Mn)S and Nb(C,N) as inhibitors. Both Cu- and Nb-bearing steels exhibit microstructural and texture gradients across the thickness. The surface layer is characterized by recrystallized equiaxed grains, while the subsurface layer is dominated by strong Goss texture, and the center layer is composed of elongated deformed bands with strong α-fiber including {100}<110>∼{223}<110> texture. In contrast to the Cu-bearing hot rolled sheet, the deformed center zone of Nb-hot rolled sheet is broadened and indicate a new {111}<110> component, while the neighboring Goss zone, which act as the nuclei for secondary recrystallization is reduced. Also, the fraction of Goss texture in Nb-primary recrystallized sheets is lower than Cu-primary sheets in a series of specimens subjected to identical annealing temperature prior to secondary recrystallization because of inheriting texture of hot rolled sheets. On the other hand, compared to the (Cu,Mn)S particles, the Nb(C,N) particles significantly hinder the primary recrystallized grain growth. The onset of secondary recrystallization for Cu-bearing steel is 950 °C, while the growth of Nb-primary grains continue to be strongly inhibited at 975 °C. After high-temperature annealing, a high magnetic induction (B8 is ≈1. 8 T) is obtained in Cu-bearing steel. In contrast, in Nb-bearing steel, there is no secondary recrystallization or the non-Goss grain ({113}<110>) is abnormal growth, and the magnetic induction B8 is ≈1.48–1.5 T. The lower magnetic induction of Nb-bearing silicon steel is related to the lower fraction of primary Goss texture and the stronger pinning effect of Nb(C,N) inhibitors.

Equiaxed crystals

Recrystallization (geology)

Electrical steel

Dynamic Recrystallization

10.1002/srin.201600181

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Citations (4)

Effect of annealing after strip casting on microstructure, precipitates and texture in non-oriented silicon steel produced by twin-roll strip casting

Materials Characterization (2018)

Meng-Fei Lan Yuanxiang Zhang Feng Fang Xiang Lu Yang Wang

Equiaxed crystals

Recrystallization (geology)

Electrical steel

10.1016/j.matchar.2018.06.016

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Citations (20)

Improvement of texture and magnetic properties of strip-cast grain-oriented electrical steel by trace Bi addition

Journal of Materials Science (2021)

Feng Fang Dong-Ceng Hou Yuanxiang Zhang Yajun Wang Guo Yuan

Texture (cosmology)

TRACE (psycholinguistics)

10.1007/s10853-021-06070-2

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Citations (3)

Microstructure and magnetic properties of ultra-thin grain-oriented silicon steel: Conventional process versus strip casting

Journal of Magnetism and Magnetic Materials (2021)

Feng Fang Jie Yang Yuanxiang Zhang Yang Wang Xiaoming Zhang

Electrical steel

Recrystallization (geology)

Abnormal grain growth

10.1016/j.jmmm.2021.168087

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Citations (13)

The Effect of the Thermal Deformation of Casting Roll on Strip Thickness in the Strip Casting Process

steel research international (2022)

Yuchen Wang Xiaoming Zhang Yuanxiang Zhang Zhenlei Li Feng Fang

Many factors affect the strip thickness in the industrial production process of twin‐roll strip casting, such as pouring temperature, casting speed, cooling capacity, cast‐rolling force, and so on. When the pouring temperature and cooling capacity are specified, the magnitude of the cast‐rolling force is determined by the actual roll gap, which has a significant effect on the thickness, shape, and surface quality of the cast strip. As a result, the actual roll gap size is critical for smooth realization. In the actual casting process, thermal deformation is a direct factor influencing the change in roll gap shape for a given roll gap value. Hence, any factor influencing the thermal deformation indirectly influences the roll gap shape. Thus, the critical factors determining the thermal deformation are simulated and studied in this research, which is integrated with actual production, based on the application and secondary development of ANSYS. The effect law of each process parameter on the thermal deformation of the casting roll is given, and corresponding mathematical models are established. This research lays the foundation for the establishment of the cast strip thickness control model and the realization of online control of strip thickness.

Air gap (plumbing)

Realization (probability)

10.1002/srin.202200115

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Citations (2)