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学者姓名：吴乙万
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Abstract ：
High stiffness and superior energy consumption have consistently been primary research focuses in the field of damping materials. Hence, this work presented an innovative interpenetrating phase composite (IPC) crafted from wound elastic entangled metallic porous material and silicone rubber. The proposed composite effectively integrates the unique properties of the original materials, showcasing a seamless blend. Dynamic experimental tests were conducted to analyze the dynamic compression mechanical behavior of the composites, revealing that the composites exhibit excellent energy consumption capabilities and elevated stiffness characteristics. The improvement in both stiffness and damping characteristics is attributed to the addition of silicone rubber, which solidifies the structure of the composites. The introduction of interfacial friction results from maintaining compression, sliding, and other frictional interactions among the original spiral coils. Notably, the composites also display exceptional fatigue resistance. Overall, this work demonstrates the potential to concurrently achieve enhanced stiffness and superior energy consumption through the use of entangled metallic porous material and silicone rubber. © 2024 Elsevier Ltd
Keyword ：
Damping Damping Energy utilization Energy utilization Friction Friction Porous materials Porous materials Rubber Rubber Silicones Silicones Stiffness Stiffness
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| GB/T 7714 | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying et al. Entangled metallic porous material–silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption [J]. | Composite Structures , 2024 , 341 . |
| MLA | Zheng, Xiaoyuan et al. "Entangled metallic porous material–silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption" . | Composite Structures 341 (2024) . |
| APA | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying , Zi, Bao , Wu, Yiwan , Yao, Liming et al. Entangled metallic porous material–silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption . | Composite Structures , 2024 , 341 . |
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This work is devoted to investigate the mechanical properties of entangled metallic wire material-silicone rubber composites (EMWM-SRC) sandwich structures. The core material involves the infiltration of silicone rubber (SR) into the pores of entangled metallic wire material (EMWM) through vacuum compression. Low-velocity impact tests were conducted to compare dynamic responses and energy absorption characteristics. Additionally, visual observation and computerized tomography scans were employed to characterize the damage mechanisms. It was observed that the sandwich structures did not perforate at 40–100 J impact energies, demonstrating outstanding energy absorption (97.5 %). Further explorations were conducted to explore the influence of EMWM density, wire diameter, and facesheet thickness. The results revealed that an increase in matrix density and wire diameter enhances the sandwich structure's impacts resistance but was accompanied by a decrease in energy absorption capacity. Notably, the energy absorption efficiency of the proposed sandwich structures consistently remains at a high level (88 %). Furthermore, facesheet thickness was identified as a significant factor affecting the sandwich structure. Finally, the superiority of the EMWM-SRC sandwich structure in enhancing impact resistance was validated by comparing it with individual EMWM and SR sandwich structures. These findings of this work offer valuable guidance for designing novel sandwich structures with excellent impact resistance. © 2024 Elsevier Ltd
Keyword ：
Absorption efficiency Absorption efficiency Computerized tomography Computerized tomography Coremaking Coremaking Energy absorption Energy absorption Rubber Rubber Sandwich structures Sandwich structures Silicones Silicones Wire Wire
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| GB/T 7714 | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying et al. Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites [J]. | Construction and Building Materials , 2024 , 431 . |
| MLA | Zheng, Xiaoyuan et al. "Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites" . | Construction and Building Materials 431 (2024) . |
| APA | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying , Zi, Bao , Bai, Hongbai , Wu, Yiwan et al. Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites . | Construction and Building Materials , 2024 , 431 . |
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As a nickel-based alloy, GH4169 has the properties of excellent corrosion resistance, high temperature oxidation resistance and high creep resistance. In this paper, the compression creep behaviors of cylinder entangled wire materials (CEWMs) made from metal wires (GH4169 nickel-based alloy, 304 stainless steel) were investigated at elevated temperatures (from 400 °C to 500 °C). The performance degradation of the two materials was evaluated by the variation amplitude of four mechanical properties parameters and material characterization methods. The results indicated that both of 304 CEWMs and GH4169 CEWMs suffered a significant performance degradation at elevated temperatures, and both of the two CEWMs showed a much serious performance degradation above 450 °C (tempering temperature). Compared to the 304 CEWMs at the tested temperatures, the GH4169 CEWMs obtained better creep resistance. It is therefore concluded that the GH4169 CEWM is an excellent material that can replace the commonly used 304 CEWM at elevated temperature work conditions. © 2024 Elsevier B.V.
Keyword ：
Creep Creep Cylinder entangled wire material Cylinder entangled wire material Nickel-based alloy wire Nickel-based alloy wire Performance degradation evaluation Performance degradation evaluation Porous materials Porous materials
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| GB/T 7714 | Lai, F. , Gao, G. , Zhou, C. et al. Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures [J]. | Materials Letters , 2024 , 371 . |
| MLA | Lai, F. et al. "Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures" . | Materials Letters 371 (2024) . |
| APA | Lai, F. , Gao, G. , Zhou, C. , Wu, Y. , Xue, X. . Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures . | Materials Letters , 2024 , 371 . |
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The ship base is a structure that connects the equipment to the hull and may play a role in restraining and isolating the dynamic load. Adding damping on the base to improve the vibration isolation performance is an important measure to control ship vibration. In this research, the energy transfer route and vector cloud of the ship base were analyzed employing the power flow theory, and then the placement of the particle damper was determined. Through the discrete optimization of different particle parameters including the particle material, diameter and filling rate, the best vibration reduction effect was acquired. The simulation and experiment results show that the particle damping has obvious damping effect, and the steel particle has better damping effect than the lead particle and the aluminum particle. The change of particle filling rate influences the vibration characteristics, and the best effect is achieved when the filling rate is 82%. The vibration reduction performance relies strongly on particle diameters, and they all exert obvious vibration suppression effect at the peak acceleration admittance. The proposed discrete optimization strategy effectively saves experiment cost, and the presented particle damper may be traded as an optional scheme in vibration reduce treatment of ship base. © 2024
Keyword ：
Acceleration admittance Acceleration admittance Discrete optimization Discrete optimization Particle damping Particle damping Power flow Power flow Ship base Ship base
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| GB/T 7714 | Wu, Y. , Dai, Q. , Liu, H. et al. Ship base vibration reduction design technology based on visualization of power flow and discrete optimization [J]. | Ocean Engineering , 2024 , 309 . |
| MLA | Wu, Y. et al. "Ship base vibration reduction design technology based on visualization of power flow and discrete optimization" . | Ocean Engineering 309 (2024) . |
| APA | Wu, Y. , Dai, Q. , Liu, H. , Tang, Y. , Chen, X. . Ship base vibration reduction design technology based on visualization of power flow and discrete optimization . | Ocean Engineering , 2024 , 309 . |
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Abstract ：
This work is devoted to investigate the mechanical properties of entangled metallic wire material-silicone rubber composites (EMWM-SRC) sandwich structures. The core material involves the infiltration of silicone rubber (SR) into the pores of entangled metallic wire material (EMWM) through vacuum compression. Low-velocity impact tests were conducted to compare dynamic responses and energy absorption characteristics. Additionally, visual observation and computerized tomography scans were employed to characterize the damage mechanisms. It was observed that the sandwich structures did not perforate at 40-100 J impact energies, demonstrating outstanding energy absorption (97.5 %). Further explorations were conducted to explore the influence of EMWM density, wire diameter, and facesheet thickness. The results revealed that an increase in matrix density and wire diameter enhances the sandwich structure's impacts resistance but was accompanied by a decrease in energy absorption capacity. Notably, the energy absorption efficiency of the proposed sandwich structures consistently remains at a high level (88 %). Furthermore, facesheet thickness was identified as a significant factor affecting the sandwich structure. Finally, the superiority of the EMWM-SRC sandwich structure in enhancing impact resistance was validated by comparing it with individual EMWM and SR sandwich structures. These findings of this work offer valuable guidance for designing novel sandwich structures with excellent impact resistance.
Keyword ：
Entangled metallic wire material Entangled metallic wire material Low-velocity impact Low-velocity impact Mechanical properties Mechanical properties Sandwich structures Sandwich structures
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| GB/T 7714 | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying et al. Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites [J]. | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 431 . |
| MLA | Zheng, Xiaoyuan et al. "Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites" . | CONSTRUCTION AND BUILDING MATERIALS 431 (2024) . |
| APA | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying , Zi, Bao , Bai, Hongbai , Wu, Yiwan et al. Low-velocity impact response of sandwich structures with cores made from entangled metallic wire material - silicone rubber composites . | CONSTRUCTION AND BUILDING MATERIALS , 2024 , 431 . |
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Abstract ：
High stiffness and superior energy consumption have consistently been primary research focuses in the field of damping materials. Hence, this work presented an innovative interpenetrating phase composite (IPC) crafted from wound elastic entangled metallic porous material and silicone rubber. The proposed composite effectively integrates the unique properties of the original materials, showcasing a seamless blend. Dynamic experimental tests were conducted to analyze the dynamic compression mechanical behavior of the composites, revealing that the composites exhibit excellent energy consumption capabilities and elevated stiffness characteristics. The improvement in both stiffness and damping characteristics is attributed to the addition of silicone rubber, which solidifies the structure of the composites. The introduction of interfacial friction results from maintaining compression, sliding, and other frictional interactions among the original spiral coils. Notably, the composites also display exceptional fatigue resistance. Overall, this work demonstrates the potential to concurrently achieve enhanced stiffness and superior energy consumption through the use of entangled metallic porous material and silicone rubber.
Keyword ：
Energy consumption Energy consumption Entangled metallic porous material Entangled metallic porous material Interfacial friction Interfacial friction Interpenetrating phase composite Interpenetrating phase composite Stiffness Stiffness
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| GB/T 7714 | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying et al. Entangled metallic porous material-silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption [J]. | COMPOSITE STRUCTURES , 2024 , 341 . |
| MLA | Zheng, Xiaoyuan et al. "Entangled metallic porous material-silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption" . | COMPOSITE STRUCTURES 341 (2024) . |
| APA | Zheng, Xiaoyuan , Xiao, Zhongmin , Ren, Zhiying , Zi, Bao , Wu, Yiwan , Yao, Liming et al. Entangled metallic porous material-silicone rubber interpenetrating phase composites with simultaneous high specific stiffness and energy consumption . | COMPOSITE STRUCTURES , 2024 , 341 . |
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Abstract ：
Strong impact does serious harm to the military industries so it is necessary to choose reasonable cushioning material and design effective buffers to prevent the impact of equipment. Based on the capillary property entangled porous metallic wire materials (EPMWM), this paper designed a composite buffer which uses EPMWM and viscous fluid as cushioning materials under the low-speed impact of the recoil force device of weapon equipment (such as artillery, mortar, etc.). Combined with the capillary model, porosity, hydraulic diameter, maximum pore diameter and pore distribution were used to characterize the pore structure characteristics of EPMWM. The calculation model of the damping force of the composite buffer was established. The low-speed impact test of the composite buffer was conducted. The parameters of the buffer under low-speed impact were identified according to the model, and the nonlinear model of damping force was obtained. The test results show that the composite buffer with EPMWM and viscous fluid can absorb the impact energy from the recoil movement effectively, and provide a new method for the buffer design of weapon equipment (such as artillery, mortar, etc.). (c) 2023 China Ordnance Society. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/ 4.0/).
Keyword ：
Capillary property Capillary property Damping force Damping force Entangled porous metallic wire materials Entangled porous metallic wire materials Low-speed impact Low-speed impact Viscous fluid Viscous fluid
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| GB/T 7714 | Tang, Yu , Wu, Yiwan , Cheng, Hu et al. Capillary Property of Entangled Porous Metallic Wire materials and Its Application in Fluid Buffers: Theoretical Analysis and Experimental Study [J]. | DEFENCE TECHNOLOGY , 2024 , 31 : 400-416 . |
| MLA | Tang, Yu et al. "Capillary Property of Entangled Porous Metallic Wire materials and Its Application in Fluid Buffers: Theoretical Analysis and Experimental Study" . | DEFENCE TECHNOLOGY 31 (2024) : 400-416 . |
| APA | Tang, Yu , Wu, Yiwan , Cheng, Hu , Liu, Rong . Capillary Property of Entangled Porous Metallic Wire materials and Its Application in Fluid Buffers: Theoretical Analysis and Experimental Study . | DEFENCE TECHNOLOGY , 2024 , 31 , 400-416 . |
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Abstract ：
针对单一减振材料无法兼具高阻尼与高刚度的弊端，本工作提出了一种新的复合材料，即将三维空间网状结构的金属橡胶(EMWM)作为基体，聚氨酯(PU)作为增强体，并采用真空渗流的方式制备了具有高阻尼与高刚度的金属橡胶-聚氨酯(EMWM-PU)复合材料。通过EMWM与EMWM-PU复合材料的准静态压缩试验，发现界面摩擦的引入使得EMWM-PU复合材料的耗能与刚度特性得到显著提升。此外搭建了复合材料管路减振测试平台，以平均振动加速度级和插入损失作为评价指标，研究了EMWM密度、激振量级、安装时的预紧间距对管路减振性能的影响。结果表明，EMWM-PU复合材料在5～1 000 Hz频段范围内均具有优异的减振效果，且复合材料中基体材料EMEM的密度越小、安装时的预紧间距越大，减振效果越好。本研究有效拓宽了复合材料的应用范围，也为金属橡胶复合材料的设计和应用提供了有效的指导。
Keyword ：
力学性能 力学性能 复合材料 复合材料 管路减振 管路减振 聚氨酯 聚氨酯 金属橡胶 金属橡胶
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| GB/T 7714 | 郑孝源 , 任志英 , 吴乙万 et al. 金属橡胶-聚氨酯复合材料减振性能研究 [J]. | 材料导报 , 2024 , 38 (06) : 273-279 . |
| MLA | 郑孝源 et al. "金属橡胶-聚氨酯复合材料减振性能研究" . | 材料导报 38 . 06 (2024) : 273-279 . |
| APA | 郑孝源 , 任志英 , 吴乙万 , 白鸿柏 , 黄健萌 , 谭桂斌 . 金属橡胶-聚氨酯复合材料减振性能研究 . | 材料导报 , 2024 , 38 (06) , 273-279 . |
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Abstract ：
As a nickel -based alloy, GH4169 has the properties of excellent corrosion resistance, high temperature oxidation resistance and high creep resistance. In this paper, the compression creep behaviors of cylinder entangled wire materials (CEWMs) made from metal wires (GH4169 nickel -based alloy, 304 stainless steel) were investigated at elevated temperatures (from 400 degrees C to 500 degrees C). The performance degradation of the two materials was evaluated by the variation amplitude of four mechanical properties parameters and material characterization methods. The results indicated that both of 304 CEWMs and GH4169 CEWMs suffered a significant performance degradation at elevated temperatures, and both of the two CEWMs showed a much serious performance degradation above 450 degrees C (tempering temperature). Compared to the 304 CEWMs at the tested temperatures, the GH4169 CEWMs obtained better creep resistance. It is therefore concluded that the GH4169 CEWM is an excellent material that can replace the commonly used 304 CEWM at elevated temperature work conditions.
Keyword ：
Creep Creep Cylinder entangled wire material Cylinder entangled wire material Nickel -based alloy wire Nickel -based alloy wire Performance degradation evaluation Performance degradation evaluation Porous materials Porous materials
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| GB/T 7714 | Lai, Fuqiang , Gao, Guilin , Zhou, Congjian et al. Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures [J]. | MATERIALS LETTERS , 2024 , 371 . |
| MLA | Lai, Fuqiang et al. "Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures" . | MATERIALS LETTERS 371 (2024) . |
| APA | Lai, Fuqiang , Gao, Guilin , Zhou, Congjian , Wu, Yiwan , Xue, Xin . Compression creep behaviors of GH4169 cylinder entangled wire material at elevated temperatures . | MATERIALS LETTERS , 2024 , 371 . |
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Abstract ：
The ship base is a structure that connects the equipment to the hull and may play a role in restraining and isolating the dynamic load. Adding damping on the base to improve the vibration isolation performance is an important measure to control ship vibration. In this research, the energy transfer route and vector cloud of the ship base were analyzed employing the power flow theory, and then the placement of the particle damper was determined. Through the discrete optimization of different particle parameters including the particle material, diameter and filling rate, the best vibration reduction effect was acquired. The simulation and experiment results show that the particle damping has obvious damping effect, and the steel particle has better damping effect than the lead particle and the aluminum particle. The change of particle filling rate influences the vibration characteristics, and the best effect is achieved when the filling rate is 82%. The vibration reduction performance relies strongly on particle diameters, and they all exert obvious vibration suppression effect at the peak acceleration admittance. The proposed discrete optimization strategy effectively saves experiment cost, and the presented particle damper may be traded as an optional scheme in vibration reduce treatment of ship base.
Keyword ：
Acceleration admittance Acceleration admittance Discrete optimization Discrete optimization Particle damping Particle damping Power flow Power flow Ship base Ship base
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| GB/T 7714 | Wu, Yiwan , Dai, Qihang , Liu, Hongfei et al. Ship base vibration reduction design technology based on visualization of power flow and discrete optimization [J]. | OCEAN ENGINEERING , 2024 , 309 . |
| MLA | Wu, Yiwan et al. "Ship base vibration reduction design technology based on visualization of power flow and discrete optimization" . | OCEAN ENGINEERING 309 (2024) . |
| APA | Wu, Yiwan , Dai, Qihang , Liu, Hongfei , Tang, Yu , Chen, Xiaochao . Ship base vibration reduction design technology based on visualization of power flow and discrete optimization . | OCEAN ENGINEERING , 2024 , 309 . |
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