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学者姓名:吴乙万
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This study addresses the enhancement of thermal stability of zinc alloys, which commonly experience reduced mechanical performance beyond 100 degrees C. The 304 stainless steel wires (SSWs) were utilized to fabricate a 3D porous metal rubber (MR) skeleton, facilitating the infusion of molten zinc alloys (ZA8) via squeeze casting to prepare MR/ZA8 composites. The impact of varying SSW volume fractions on the static compression creep (SCC) behavior of the MR/ZA8 composites at 250 degrees C was investigated, while exploring their SCC failure mechanisms. Energy dispersive spectrometer was used to analyze the MR/ZA8 composites both before and after the creep experiments. Findings revealed that in comparison to ZA8, MR/ZA8 composites exhibited notably lower SCC strain, diminishing with the increased SSW volume fraction. Under the applied stresses of 12 MPa, 17 MPa and 20.4 MPa, the steady-state SCC rate of MR/ZA8 composites experienced a reduction of 1 order of magnitude compared to ZA8. The apparent stress exponent n value ranged from 3.37 to 4.84, indicating a SCC mechanism dominated by dislocation climb within the two materials. The elemental composition of the MR/ZA8 composites remained largely unchanged, and the MR skeleton in the MR/ZA8 did not undergo oxidation.
Keyword :
Failure mechanism Failure mechanism Metal rubber skeleton Metal rubber skeleton Squeeze casting Squeeze casting Static compression creep behavior Static compression creep behavior Zinc alloy matrix composite Zinc alloy matrix composite
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GB/T 7714 | Lai, Fuqiang , Zhou, Ziang , Hu, Anqiong et al. Static compression creep behavior of MR/ZA8 composite at elevated temperature [J]. | MATERIALS TODAY COMMUNICATIONS , 2025 , 42 . |
MLA | Lai, Fuqiang et al. "Static compression creep behavior of MR/ZA8 composite at elevated temperature" . | MATERIALS TODAY COMMUNICATIONS 42 (2025) . |
APA | Lai, Fuqiang , Zhou, Ziang , Hu, Anqiong , Gao, Guilin , Wu, Yiwan , Zhang, Guosen et al. Static compression creep behavior of MR/ZA8 composite at elevated temperature . | MATERIALS TODAY COMMUNICATIONS , 2025 , 42 . |
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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 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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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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To fulfill the vibration damping requirements of plate structures under complex conditions, additional damping structures with entangled metallic wire material (EMWM) are proposed based on the excellent physical properties of EMWM. A batch of specimens with different filament diameters, densities, and thicknesses are prepared. The stiffness and loss factors are taken as the evaluation indexes, and orthogonal tests are conducted to obtain the tensile, shear, and compression properties. The results show that the optimal parameter combinations can be obtained through orthogonal tests. For the specimens with optimal parameter combinations, the mechanical tests under different loading rates and loading displacements are carried out. With the increase in loading rate, the tensile and shear forces appear to display fracture failure in advance, and the compression performance is stable without significant changes. The change rule under each mechanical test is explored using the stiffness and loss factor evaluation index. It provides a reference for the analysis of the preparation parameters of subsequent additional damping structures with EMWM.
Keyword :
additional damping structure additional damping structure entangled metallic wire material entangled metallic wire material mechanical properties mechanical properties orthogonal tests orthogonal tests
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GB/T 7714 | Cai, Longqi , Wu, Yiwan , Tang, Yu et al. Experimental Investigation of Tensile, Shear, and Compression Behavior of Additional Plate Damping Structures with Entangled Metallic Wire Material [J]. | APPLIED SCIENCES-BASEL , 2024 , 14 (22) . |
MLA | Cai, Longqi et al. "Experimental Investigation of Tensile, Shear, and Compression Behavior of Additional Plate Damping Structures with Entangled Metallic Wire Material" . | APPLIED SCIENCES-BASEL 14 . 22 (2024) . |
APA | Cai, Longqi , Wu, Yiwan , Tang, Yu , Lu, Tong , Liang, Jiasong , Li, Zhaowen . Experimental Investigation of Tensile, Shear, and Compression Behavior of Additional Plate Damping Structures with Entangled Metallic Wire Material . | APPLIED SCIENCES-BASEL , 2024 , 14 (22) . |
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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 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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Metal rubber component (MRC) is commonly used in special work conditions such as high temperature/corrosive environments primarily due to its excellent vibration damping/insulation properties. But in special work conditions for a long time, the performance of MRC will deteriorate to a failure to meet the work requirements. Therefore, it is imperative to enhance the performance of MRC and study its performance degradation in special work conditions. In this paper, pickling, silanization and pickle-silanization surface treatments for metal rubber components (MRCs) were carried out. The properties of MRCs after surface treatment under static compression and full immersion corrosive test were studied, and a remaining service life prediction model of MRCs under corrosion condition was established. Compared with MRC without surface treatment (U-MRC), the performance degradation degree of several MRCs was evaluated based on four physical and mechanical parameters - the amplitude of variation in height, average stiffness, energy dissipation, and loss factor. The results indicated that MRCs exhibited different degrees of performance degradation. Among them, pickling-silanized MRC (PS-MRC) has the best corrosion resistance. The stiffness variation amplitude must be nearly 8% smaller than that of UMRC, and the energy consumption variation amplitude is about 12% smaller than that of U-MRC.
Keyword :
Full immersion corrosion conditions Full immersion corrosion conditions Metal rubber components Metal rubber components Performance degradation patterns Performance degradation patterns Remaining service life prediction Remaining service life prediction Surface treatments Surface treatments
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GB/T 7714 | Lai, Fuqiang , Gao, Guilin , Hao, Xiangfei et al. Research on performance degradation patterns of metal rubber components under the coupling of static compression and full immersion corrosive environment [J]. | MATERIALS TODAY COMMUNICATIONS , 2024 , 39 . |
MLA | Lai, Fuqiang et al. "Research on performance degradation patterns of metal rubber components under the coupling of static compression and full immersion corrosive environment" . | MATERIALS TODAY COMMUNICATIONS 39 (2024) . |
APA | Lai, Fuqiang , Gao, Guilin , Hao, Xiangfei , Hu, Anqiong , Xue, Xin , Bai, Hongbai et al. Research on performance degradation patterns of metal rubber components under the coupling of static compression and full immersion corrosive environment . | MATERIALS TODAY COMMUNICATIONS , 2024 , 39 . |
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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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This article proposes a composite buffer based on two characteristics: porous throttling and damping energy dissipation of entangled metal wire material (EMWM). A series of quasi-static tests and low-speed impact tests were carried out to analyze its stiffness and damping characteristics. The filling degrees of cushioning force curves and energy absorption rate were proposed as quantitative evaluation indicators for the composite buffer under low-speed impact. Test results showed that the stiffness and damping of the composite buffer layer increase with the increasing density of the EMWM damping layer under quasi-static conditions, but the static loss factor fluctuates. Under low-speed impact load, the composite buffer demonstrates stable force output, with an energy absorption rate above 85% and favourable filling degrees. This work provides a practical reference for its engineering application.
Keyword :
composite buffer composite buffer Entangled metallic wire material Entangled metallic wire material evaluation indicators evaluation indicators low-speed impact low-speed impact porous material porous material
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GB/T 7714 | Wu, Yi-Wan , Rao, Zhi-Qiang , Cheng, Hu et al. Experimental study on static and dynamic mechanical properties of composite buffer with entangled metallic wire materials and viscous fluid [J]. | PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE , 2024 , 238 (15) : 7846-7857 . |
MLA | Wu, Yi-Wan et al. "Experimental study on static and dynamic mechanical properties of composite buffer with entangled metallic wire materials and viscous fluid" . | PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE 238 . 15 (2024) : 7846-7857 . |
APA | Wu, Yi-Wan , Rao, Zhi-Qiang , Cheng, Hu , Huo, Bo-Chen , Bai, Hong-Bai . Experimental study on static and dynamic mechanical properties of composite buffer with entangled metallic wire materials and viscous fluid . | PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE , 2024 , 238 (15) , 7846-7857 . |
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In the present work, a novel entangled metallic wire material (EMWM) with good mechanical properties and electrical conductivity was developed by using beryllium bronze alloy wire as raw material. A series of thermalmechanical-electrical coupling tests were carried out to investigate the mechanical properties (average stiffness, loss factor) and electrical conductivity of beryllium bronze alloy entangled metallic wire material (QBe2-EMWM) and austenitic stainless steel entangled metallic wire material (304-EMWM). The effect of the density and ambient temperature on mechanical performances and resistance properties of EMWM were analyzed in detail. It is found that the mechanical properties of QBe2-EMWM are similar to those of austenitic stainless steel entangled metallic wire material (304-EMWM). The electrical resistance of EMWM decreases with the increase of density. Moreover, the electrical resistance of QBe2-EMWM is significantly lower than 304-EMWM and is only 5 % of 304-EMWM. In the aspect of theoretical modeling, based on a cube unit-cell approach, a simplified electrical resistor network was derived from modeling low-frequency current flow through the EMWM. Considering the influence of ambient temperature, the simplified resistor network model was modified by referring to the temperature term of the Johnson -Cook model, and then the conductivity model considering temperature effect for EMWM was established. The accuracy of the theoretical electrical model of EMWM was verified by comparing the calculated results with the experimental data. The results show that the proposed model can adequately predict the electrical conductivity characteristics of EMWM under different temperatures.
Keyword :
Beryllium bronze alloy Beryllium bronze alloy Electrical conductivity Electrical conductivity Entangled metallic wire material Entangled metallic wire material High temperature High temperature Mechanical behavior Mechanical behavior Thermal-mechanical-electrical coupling test Thermal-mechanical-electrical coupling test
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GB/T 7714 | Wu, Yiwan , Rao, Zhiqiang , Chen, Xiaochao et al. Mechanics behaviors and electrical conductivity of beryllium bronze alloy entangled metallic wire material: Experimental study and theoretical modeling [J]. | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2024 , 29 : 728-737 . |
MLA | Wu, Yiwan et al. "Mechanics behaviors and electrical conductivity of beryllium bronze alloy entangled metallic wire material: Experimental study and theoretical modeling" . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 29 (2024) : 728-737 . |
APA | Wu, Yiwan , Rao, Zhiqiang , Chen, Xiaochao , Wang, Ran , Bai, Hongbai . Mechanics behaviors and electrical conductivity of beryllium bronze alloy entangled metallic wire material: Experimental study and theoretical modeling . | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T , 2024 , 29 , 728-737 . |
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