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学者姓名：任志英
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Abstract ：
Superhydrophilic-underwater superoleophobic materials have received extensive attention in recent years due to their excellent performance in oil-water separation. However, they are still challenged by practical limitations. One of the main issues is the modification of traditional metal-based surfaces. These surfaces are typically modified through roughening and chemical treatment, but they still face significant challenges. Here, we report a metal rubber(MR) filtration material with exceptional superhydrophilic-underwater superoleophobic properties, fabricated through a synchronous process combining two-dimensional(2D) iron oxide sheets and zerodimensional(0D) silica nanospheres. This composite structure enhances surface wettability by integrating the dimensional effects of 2D and 0D components. This superwettable material, termed P-MRFS, incorporates a composite structure that enhances surface wettability by integrating the size effects of both 2D and 0D components. The P-MRFS material achieved a peak separation flux over 2500 L & sdot;m-2 & sdot;h-1 and up to 99.88% purity across various oil in water emulsions, including hexane, petroleum ether, dimethylbenzene, dichloroethane, and toluene, with a stable efficiency of 99.7% after 30 separation cycles. P-MRFS demonstrated durability under demanding conditions, maintaining over 99.5% separation efficiency after 48 hours in acidic, alkaline, and saline solutions and following 400 cm of abrasion under a 200 g load. Importantly, the study employed computational fluid dynamics(CFD) simulations to analyze the micro-scale mechanisms of emulsion separation, enabling realtime observation of droplet dynamics and revealing interactions within the multi-fiber structure that enhance separation efficiency. Overall, the P-MRFS material showed outstanding stability in corrosion and abrasion resistance, sustaining high emulsion separation performance even in complex environments. These findings suggest the material's high potential for future applications in oil-water separation, environmental protection, including crude oil recovery, and other industrial uses, underscoring its significant practical utility.
Keyword ：
CFD simulation CFD simulation Emulsion separation Emulsion separation Microstructural dimension control Microstructural dimension control oleophobic oleophobic Super hydrophilic Super hydrophilic Surface composite dimension structure Surface composite dimension structure underwater super underwater super
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| GB/T 7714 | Pi, Peng , Ren, Zhiying , Pan, Ling et al. Composite dimensional structure superhydrophilic-underwater superoleophobic material for efficient separation of oil-in-water emulsions [J]. | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 362 . |
| MLA | Pi, Peng et al. "Composite dimensional structure superhydrophilic-underwater superoleophobic material for efficient separation of oil-in-water emulsions" . | SEPARATION AND PURIFICATION TECHNOLOGY 362 (2025) . |
| APA | Pi, Peng , Ren, Zhiying , Pan, Ling , Lin, Youxi , Yang, Yu , Li, Yuedan . Composite dimensional structure superhydrophilic-underwater superoleophobic material for efficient separation of oil-in-water emulsions . | SEPARATION AND PURIFICATION TECHNOLOGY , 2025 , 362 . |
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Entangled porous metallic pseudo-rubber (EPMPR) is formed by interlaced helical metal wires, and its unique structure can convert mechanical vibration energy into heat, providing significant damping effects. This study innovatively proposes a method for constructing the elastic hysteresis curve of EDMMR at the physical level, and decomposes and extracts the hysteresis curve using virtual manufacturing technology (VMT). Based on finite element numerical calculation nodes, this study constructs the stiffness curve of EPMPR's series-parallel structure, and considers the contact behavior of EPMPR, especially under high-temperature conditions, through dynamic evolution analysis of discretized numerical models of spatial contact behavior, further studying its damping hysteresis behavior. Specifically, this study also proposes for the first time and comprehensively analyzes the dynamic and static parameters of EPMPR under different temperatures and loads, providing in-depth insights into its mechanical behavior and energy dissipation mechanisms. Experimental results demonstrate that under the complex topology structure and thermomechanical coupling, the elastic hysteresis curve of EPMPR can accurately predict its damping characteristics under different high-temperature environments, providing a theoretical foundation for EPMPR's application in advanced equipment and structural extreme environments.
Keyword ：
Constitutive model Constitutive model Damping hysteresis characteristics Damping hysteresis characteristics Entangled porous metallic pseudo-rubber Entangled porous metallic pseudo-rubber (EPMPR) (EPMPR) Thermo-mechanical coupling Thermo-mechanical coupling Virtual manufacturing technology (VMT) Virtual manufacturing technology (VMT)
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| GB/T 7714 | Wang, Qinwei , Ren, Zhiying , Shi, Linwei et al. Hysteresis characteristics of entangled porous metallic pseudo-rubber under complex topological structures and thermomechanical coupling effects [J]. | EUROPEAN JOURNAL OF MECHANICS A-SOLIDS , 2025 , 111 . |
| MLA | Wang, Qinwei et al. "Hysteresis characteristics of entangled porous metallic pseudo-rubber under complex topological structures and thermomechanical coupling effects" . | EUROPEAN JOURNAL OF MECHANICS A-SOLIDS 111 (2025) . |
| APA | Wang, Qinwei , Ren, Zhiying , Shi, Linwei , Huang, Zihao , Feng, Shaotong , Li, Shuaijun . Hysteresis characteristics of entangled porous metallic pseudo-rubber under complex topological structures and thermomechanical coupling effects . | EUROPEAN JOURNAL OF MECHANICS A-SOLIDS , 2025 , 111 . |
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金属橡胶（MR）是一种纯金属的多孔减振/隔振材料，可作为极端环境下传统高分子减振/隔振材料的绝佳代替者。然而，目前关于其在海洋环境中的腐蚀行为及静载压缩蠕变性能研究还较少，影响了金属橡胶的进一步工程应用推广。采用表面硅烷化（S）、化学酸洗（P）和化学酸洗-表面硅烷化（P-S）工艺对制备好的MR试样进行表面处理，得到三种不同表面性能的MR试样。在5wt.%NaCl溶液中进行间浸腐蚀方式的静载压缩蠕变试验，并利用SEM、EDS和电化学工作站等表征手段研究MR的微观形貌、腐蚀产物元素组成、耐腐蚀和抗蠕变性能。结果表明：间浸腐蚀蠕变试验后，三种试样的腐蚀产物元素以O、Fe和Cr为主。P-S-MR试样的腐蚀电位(E
Keyword ：
海洋腐蚀环境 海洋腐蚀环境 硅烷化 硅烷化 腐蚀行为 腐蚀行为 蠕变性能 蠕变性能 金属橡胶 金属橡胶
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| GB/T 7714 | 赖福强 , 胡安琼 , 郝翔飞 et al. 金属橡胶在不同表面处理工艺下的腐蚀行为及静载压缩蠕变性能 [J]. | 中国表面工程 , 2025 , 38 (01) : 141-151 . |
| MLA | 赖福强 et al. "金属橡胶在不同表面处理工艺下的腐蚀行为及静载压缩蠕变性能" . | 中国表面工程 38 . 01 (2025) : 141-151 . |
| APA | 赖福强 , 胡安琼 , 郝翔飞 , 白鸿柏 , 任志英 , 吴乙万 . 金属橡胶在不同表面处理工艺下的腐蚀行为及静载压缩蠕变性能 . | 中国表面工程 , 2025 , 38 (01) , 141-151 . |
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Based on the digital forming method of metal rubber, the Global point topology model (GPTM) reflecting the spatial characteristics is established to realize the mapping relationship between the index hardening characteristics of metal rubber and the wire turn motion behavior under the macro scale. The research shows that, with the reduction of the allowable wire turn motion space and the increase of the wire turn surface roughness, the internal multi-regional wire turns successively appear the spatial motion interference phenomenon, that is, the generation of the hard friction region, which is often the main cause of the metal rubber index hardening characteristics. At the same time, two kinds of materials, SUS-304 and Nichrome, are introduced to establish a microscopic model of metal surface roughness with fractal characteristics, aiming at realizing the research on the cross-scale friction mechanical behavior of metal rubber from the material level (microscopic level). The results show that HCP increases 97.6 % and 13.9 % respectively when the material is plastically deformed. While increasing the hardness and strength, the extrusion friction at the contact interface is increased, which affects the friction mechanical properties of metal rubber. The metal rubber (ASS-MR) made of 304 stainless steel entered the plastic phase earlier than that made of Cr20Ni80 (NI-MR) and increased the strength by phase change and rapidly entered the index hardening. The difference of mechanical behavior in the soft phase is closely related to the change of HCP on the contact surface of wire turn in the sliding process. Through the bottom-up trans-scale analysis method, the multi-level mapping relationship of metal rubber from the bottom material to the space structure and then to the nonlinear mechanical behavior is realized, which provides a new idea for exploring the basic performance and mechanism of this kind of micro-pore topology materials. © 2025 Elsevier Ltd
Keyword ：
Extrusion molding Extrusion molding Liquid crystals Liquid crystals Mapping Mapping Metal extrusion Metal extrusion Metal molding Metal molding Microhardness Microhardness Microporous materials Microporous materials Rubber molding Rubber molding Strain hardening Strain hardening
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| GB/T 7714 | Ren, Zhiying , Xu, Bangguo , Shen, Liangliang et al. Research on the cross-scale mapping mechanism of friction mechanical behavior of metal rubber based on topological interference: Material level friction strengthening phenomenon [J]. | Tribology International , 2025 , 211 . |
| MLA | Ren, Zhiying et al. "Research on the cross-scale mapping mechanism of friction mechanical behavior of metal rubber based on topological interference: Material level friction strengthening phenomenon" . | Tribology International 211 (2025) . |
| APA | Ren, Zhiying , Xu, Bangguo , Shen, Liangliang , Shi, Linwei , Tang, Kequan , Song, Qiang et al. Research on the cross-scale mapping mechanism of friction mechanical behavior of metal rubber based on topological interference: Material level friction strengthening phenomenon . | Tribology International , 2025 , 211 . |
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The surface of the TC11 titanium alloy is significantly strengthened through the ultrasonic tumbling process. The effect of ultrasonic tumbling process parameters on the microstructure and surface roughness of a titanium alloy using multiple techniques are investigated, including OM, white light interferometry, SEM, EDS, and XRD. The hardness, friction, and wear properties of the rolling surface are analyzed using a microhardness tester and a multifunctional friction-wear tester. The results indicate that the surface roughness of the titanium alloy decreases initially and then increases with an increase in rolling power, rolling times, static pressure, reduction, spindle speed, and feed rate. The lowest value is achieved with the following parameters: 660 W rolling power, 5 rolling times, static pressure of 0.20 MPa, reduction of 0.15 mm, spindle speed of 200 r·min−1, and feed rate of 0.10 mm·r−1. With an increase in power, the surface hardness of titanium alloy increases, which leads to a reduction in friction coefficient and wear loss. As the rolling times, static pressure, reduction, spindle speed, and feed rate increase, the surface hardness initially increases and then decreases. Meanwhile, the friction coefficient and wear loss tend to decrease initially and then increase. When the rolling power is set to 990 W, the rolling frequency is 5 times, the static pressure is 0.20 MPa, the reduction is 0.15 mm, the spindle speed is 200 r·min−1, and the feed rate is 0.10 mm·r−1, the hardness reaches its maximum value, while the friction coefficient and wear loss reach their minimum values. Response surface optimization was conducted to obtain the optimal process parameters, including a rolling power of 990 W, rolling frequency of 5 times, static pressure strength of 0.20 MPa, reduction of 0.15 mm, spindle speed of 198 r·min−1, and feed rate of 0.10 mm·r−1. Compared to the surface of the titanium alloy before rolling, the hardness increased by 36.4% from 337 HV to 461 HV, the surface roughness decreased by 89.9% from 1.88 μm to 0.19 μm, and the wear loss decreased by 83.3% from 0.60 mg to 0.10 mg. © 2024 Chinese Mechanical Engineering Society. All rights reserved.
Keyword ：
Friction Friction Hardness Hardness Rolling Rolling Surface properties Surface properties Surface roughness Surface roughness Titanium alloys Titanium alloys Wear of materials Wear of materials
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| GB/T 7714 | Zheng, Kaikui , Zhao, Xinzhe , Mou, Gang et al. Surface Quality, Friction and Wear Properties of TC11 Titanium Alloy Strengthened Using Ultrasonic Rolling [J]. | Journal of Mechanical Engineering , 2024 , 60 (9) : 137-151 . |
| MLA | Zheng, Kaikui et al. "Surface Quality, Friction and Wear Properties of TC11 Titanium Alloy Strengthened Using Ultrasonic Rolling" . | Journal of Mechanical Engineering 60 . 9 (2024) : 137-151 . |
| APA | Zheng, Kaikui , Zhao, Xinzhe , Mou, Gang , Ren, Zhiying . Surface Quality, Friction and Wear Properties of TC11 Titanium Alloy Strengthened Using Ultrasonic Rolling . | Journal of Mechanical Engineering , 2024 , 60 (9) , 137-151 . |
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Built on Weibull cumulative distribution function and the hysteresis rule of Jiles-Atherton model, this paper proposes a new hysteresis function suitable for modeling the hysteretic characteristics. After the domain of definition expanded, the cumulative distribution function of a two-parameter Weibull distribution is employed to describe the skeleton curve of the hysteresis. A simplified energy conversion equation based on Jiles-Atherton model is then presented to describe the loop curve. The proposed hysteresis model is solved by the predictor-corrector method. From calculation results, the model is capable of providing abundant descriptions of hysteresis and approximating some hysteresis with low deviations. Parameter determination method is given based on the principle of minimizing the calculation deviations between the proposed model and Jiles-Atherton model. Then the deviations are comprehensively discussed under wider value range when the magnetic fields are not lower than the specified values. At last, the parametric analysis, mainly the loop parameters on hysteresis curve, maximum value and loop area, is completed. With simpler expression and clearer parameter influence compared with the Jiles-Atherton model, the model is suitable for modeling various types of hysteretic systems, especially the system with a magnetic hysteresis.
Keyword ：
Cumulative distribution function Cumulative distribution function Hysteresis Hysteresis Jiles-Atherton model Jiles-Atherton model Parameter determination Parameter determination Parametric analysis Parametric analysis
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| GB/T 7714 | Xue, Guangming , Bai, Hongbai , Li, Tuo et al. A new hysteresis model based on Weibull cumulative distribution function and Jiles-Atherton hysteresis model [J]. | NONLINEAR DYNAMICS , 2024 . |
| MLA | Xue, Guangming et al. "A new hysteresis model based on Weibull cumulative distribution function and Jiles-Atherton hysteresis model" . | NONLINEAR DYNAMICS (2024) . |
| APA | Xue, Guangming , Bai, Hongbai , Li, Tuo , Ren, Zhiying , Wu, Zhangbin . A new hysteresis model based on Weibull cumulative distribution function and Jiles-Atherton hysteresis model . | NONLINEAR DYNAMICS , 2024 . |
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Silicon carbide fiber reinforced silicon carbide matrix(SiCf/SiC)composite is the key cladding material of nuclear fuel,which determines the safety and reliability of nuclear fuel storage and transportation.The replacement of its storage and transportation scenario needs to be completed by the manipulator,but the application of SiCf/SiC wear,fracture,and nuclear leakage in the snatching process of brittle-flexible-rigid contact in the irradiation environment has been seriously restricted due to unclear understanding of the damage mechanism.Therefore,the effects of irradiation dose and clamping load on the friction characteristics of the contact interface between SiCf/SiC clad tube are studied in this paper,and the effects of irradiation parameters and clamping force on the static friction coefficient of the contact interface between the clad tube and flexible nitrile are obtained.Based on the Greenwood-Williamson tribological model,a numerical model of the shape and structure of the contact micro-convex at the micro-scale of the clamping interface is constructed by introducing the multi-surface integral,and finally verified by experiments.The research results show that there is a unique"irradiation suppression zone"under the clamping condition of SiCf/SiC cladding tube under the nuclear irradiation environment,and the growth of static friction coefficient slows down until stagnates after irradiation reaches a certain extent(600 kGy),and there will be a decline when the irradiation dose continues to increase,among which the clamping force of 15.2 N within the irradiation interval of 1,000 kGy can meet the safety of nuclear environment operation.The results of this paper can provide an important theoretical basis and application guidance for the safe operation of SiCf/SiC cladding tubes in the storage and transportation clamping process.
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| GB/T 7714 | Chenglong XIAO , Liangliang SHEN , Tianqi ZHU et al. Study on frictional behavior of SiCf/SiC composite clad tube clamping condition under nuclear irradiation [J]. | 摩擦（英文版） , 2024 , 12 (5) : 919-938 . |
| MLA | Chenglong XIAO et al. "Study on frictional behavior of SiCf/SiC composite clad tube clamping condition under nuclear irradiation" . | 摩擦（英文版） 12 . 5 (2024) : 919-938 . |
| APA | Chenglong XIAO , Liangliang SHEN , Tianqi ZHU , Jianbo TANG , Ximing XIE , Xinyu FAN et al. Study on frictional behavior of SiCf/SiC composite clad tube clamping condition under nuclear irradiation . | 摩擦（英文版） , 2024 , 12 (5) , 919-938 . |
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Composite materials exhibit the impressive high energy consumption and impact resistance, which cannot be attained by employing conventional single materials. Along these lines, a novel entangled metallic wire mesh-silicone rubber composites (EMWM-SRC) was proposed by compressing SR into the pores of EMWM through vacuum infiltration. Quasistatic tests were conducted at various temperatures. Additionally, a comprehensive analysis of the impact velocity, matrix density, wire diameter, and anisotropy of EMWM-SRC under low -velocity impact was performed. The results revealed that the composites maintain high stability up to 300 C. Compared to traditional EMWM, the proposed composites exhibited higher loss factor, particularly with a significant enhanced in tangent modulus. The low -velocity impact results demonstrated that EMWM-SRC exhibited superior energy absorption capabilities, which was attributed to increased friction between the spiral coils and enhanced interface friction between the EMWM and SR. Notably, EMWM-SRC with different matrix densities exhibited energy absorption efficiencies exceeding 90% at an impact velocity of 3.5 m/s. Furthermore, the effects of impact velocity, wire diameter, and anisotropy on the impact response of composites were discussed in detail. Additionally, a description of the energy consumption properties was explored from the perspective of wire deformation mechanics. Overall, the proposed composites possess significant potential as impact resistant elements with high energy absorption capacity.
Keyword ：
Energy absorption Energy absorption Entangled metallic wire mesh Entangled metallic wire mesh Interface friction Interface friction Interpenetrating composite materials Interpenetrating composite materials Low -velocity impact Low -velocity impact
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| GB/T 7714 | Zheng, Xiaoyuan , Xiao, Zhongmin , Wu, Yiwan et al. Study of mechanical properties of entangled metallic wire mesh-silicone rubber composites under low-velocity impact [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 420 . |
| MLA | Zheng, Xiaoyuan et al. "Study of mechanical properties of entangled metallic wire mesh-silicone rubber composites under low-velocity impact" . | CONSTRUCTION AND BUILDING MATERIALS 420 (2024) . |
| APA | Zheng, Xiaoyuan , Xiao, Zhongmin , Wu, Yiwan , Bai, Hongbai , Ren, Zhiying , Yao, Liming . Study of mechanical properties of entangled metallic wire mesh-silicone rubber composites under low-velocity impact . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 420 . |
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This study focuses on the design and fabrication of a superhydrophilic pyramid-shaped porous material using high-precision 3D printing technology for effective oil-in-water emulsion separation. The unique pyramid-shaped structure enhances droplet interception, significantly improving separation efficiency. The material's surface was modified with a self-polymerized dopamine (DA) and polyethyleneimine (PEI) coating, resulting in superhydrophilic and underwater superoleophobicity. This porous material achieved a separation flux of 3098 L/m2h with a separation purity of 99.3 %. Computational Fluid Dynamics (CFD) simulations were employed to visualize the emulsion separation mechanism, providing insights into the dynamic process of droplet behavior within the funnel structure. The material also demonstrated excellent corrosion resistance, maintaining its performance after prolonged exposure to acidic, alkaline, and saline environments. These results suggest that the developed material offers a promising solution for high-efficiency oil-water separation with potential applications in environmental remediation and industrial wastewater treatment.
Keyword ：
3D printing 3D printing CFD simulation CFD simulation Oil-in-water emulsion separation Oil-in-water emulsion separation Superhydrophilic pyramid-shaped porous ma- Superhydrophilic pyramid-shaped porous ma- terial terial Visualization of the separation mechanism Visualization of the separation mechanism
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| GB/T 7714 | Shen, Liangliang , Yang, Yu , Li, Hongyin et al. Design of 3D printing superhydrophilic pyramid-shaped porous materials for oil-in-water emulsion separation and visualization of separation mechanism [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 500 . |
| MLA | Shen, Liangliang et al. "Design of 3D printing superhydrophilic pyramid-shaped porous materials for oil-in-water emulsion separation and visualization of separation mechanism" . | CHEMICAL ENGINEERING JOURNAL 500 (2024) . |
| APA | Shen, Liangliang , Yang, Yu , Li, Hongyin , Shi, Shilun , Shi, Linwei , Ren, Zhiying . Design of 3D printing superhydrophilic pyramid-shaped porous materials for oil-in-water emulsion separation and visualization of separation mechanism . | CHEMICAL ENGINEERING JOURNAL , 2024 , 500 . |
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Jiles-Atherton (JA) model has been widely used to describe the magnetic hysteresis property of Terfenol-D material. However, the accuracy of the classic JA model is not convincing any more when it is employed to predict the magnetizations under various amplitudes of the applied magnetic fields. This paper measures the magnetic field and magnetization indirectly and approximates the measured results to the best of the classic static JA model. Then it shows that the JA model fails to describe the magnetic hysteresis effectively, especially in computing the hysteresis width. The high computational error is caused from inappropriate value of the pinning parameter to quantify the average energy required to break pinning site. Then the parameter is modified from the constant value to an independent variable on the field amplitude. From the comparisons on the results of the maximum magnetization, maximum magnetization, residual magnetization and coercivity, the performance in describing the hysteresis property of Terfenol-D is obviously promoted by the improved model apparently compared to the classic one.
Keyword ：
Characteristic parameter Characteristic parameter Jiles-Atherton model Jiles-Atherton model Magnetic hysteresis Magnetic hysteresis Terfenol-D Terfenol-D Various amplitudes Various amplitudes
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| GB/T 7714 | Xue, Guangming , Zhang, Cheng , Bai, Hongbai et al. An improvement of the Jiles-Atherton model at various magnetic field amplitudes using the example of Terfenol-D material [J]. | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS , 2024 , 601 . |
| MLA | Xue, Guangming et al. "An improvement of the Jiles-Atherton model at various magnetic field amplitudes using the example of Terfenol-D material" . | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 601 (2024) . |
| APA | Xue, Guangming , Zhang, Cheng , Bai, Hongbai , Ren, Xinxin , Ren, Zhiying . An improvement of the Jiles-Atherton model at various magnetic field amplitudes using the example of Terfenol-D material . | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS , 2024 , 601 . |
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