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学者姓名：薛新
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Abstract ：
The longitudinal fluctuating forces of a propeller are a major cause of sound radiation of an underwater vehicle in the low frequency range. A hydraulic leveraged dynamic anti-resonance vibration isolator (HLVI) is proposed to attenuate the longitudinal vibration of a shaft system transmitted to the hull. The semi-analytical model of the shafting system with and without the isolator is set up by employing the frequency response synthesis method, in which the elasticity of the foundation is taken into consideration. Compared to the traditional isolation scheme and DVA, the proposed control scheme will not change the longitudinal effective stiffness and needs a small mass to attenuate the longitudinal vibration of the shafting system. A parametric study was conducted to investigate the key parameters of the isolator and their impact on its isolation performance. An experimental apparatus is set up to validate the isolation scheme. The acceleration frequency response results of the shafting system under axial excitation with both the frequency sweep method and discrete sinusoidal frequencies are presented and discussed. The results indicate that the proposed method is capable of attenuating the corresponding longitudinal vibration of the shafting system.
Keyword ：
Hydraulic leveraged dynamic anti-resonance vibration isolator Hydraulic leveraged dynamic anti-resonance vibration isolator longitudinal vibration isolation longitudinal vibration isolation resonance changer resonance changer semi-analytical model semi-analytical model shafting system shafting system
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| GB/T 7714 | Liu, Niuniu , Lei, Xianliang , Xue, Xin . Longitudinal low-frequency vibration control of a propeller-shafting system using a hydraulic leveraged dynamic anti-resonance vibration isolator: A theoretical and experimental study [J]. | JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL , 2024 , 43 (3) : 1261-1278 . |
| MLA | Liu, Niuniu 等. "Longitudinal low-frequency vibration control of a propeller-shafting system using a hydraulic leveraged dynamic anti-resonance vibration isolator: A theoretical and experimental study" . | JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL 43 . 3 (2024) : 1261-1278 . |
| APA | Liu, Niuniu , Lei, Xianliang , Xue, Xin . Longitudinal low-frequency vibration control of a propeller-shafting system using a hydraulic leveraged dynamic anti-resonance vibration isolator: A theoretical and experimental study . | JOURNAL OF LOW FREQUENCY NOISE VIBRATION AND ACTIVE CONTROL , 2024 , 43 (3) , 1261-1278 . |
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The purpose of this paper is to examine the effect of processing parameters and subsequent heat treatments on the microstructures and bonding strengths of Ti-6Al-4V/AA1050 laminations formed via a non-equal channel lateral co-extrusion process. The microstructural evolution and growth mechanism in the diffusion layer were discussed further to optimize the bonding quality by appropriately adjusting process parameters. Scanning electron microscopes (SEM), energy dispersive spectrometer (EDS), and Xray diffraction (XRD) were used to characterize interfacial diffusion layers. The shear test was used to determine the mechanical properties of the interfacial diffusion layer. The experimental results indicate that it is possible to co-extrusion Ti-6Al-4V/AA1050 compound profiles using non-equal channel lateral co-extrusion. Different heat treatment processes affect the thickness of the diffusion layer. When the temperature and time of heat treatment increase, the thickness of the reaction layers increases dramatically. Additionally, the shear strength of the Ti-6Al-4V/AA1050 composite interface is proportional to the diffusion layer thickness. It is observed that a medium interface thickness results in superior mechanical performance when compared to neither a greater nor a lesser interface thickness. Microstructural characterization of all heat treatments reveals that the only intermetallic compound observed in the diffusion layers is TiAl3. Due to the inter-diffusion of Ti and Al atoms, the TiAl3 layer grows primarily at AA1050/TiAl3 interfaces. (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-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).
Keyword ：
Co -extrusion Co -extrusion Heat treatment Heat treatment Intermetallic compounds Intermetallic compounds Microstructure Microstructure Shear strength Shear strength
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| GB/T 7714 | Liao, Juan , Tian, Mengmeng , Xue, Xin . Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment [J]. | DEFENCE TECHNOLOGY , 2024 , 33 : 197-208 . |
| MLA | Liao, Juan 等. "Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment" . | DEFENCE TECHNOLOGY 33 (2024) : 197-208 . |
| APA | Liao, Juan , Tian, Mengmeng , Xue, Xin . Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment . | DEFENCE TECHNOLOGY , 2024 , 33 , 197-208 . |
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To explore the wide-frequency damping and vibration-attenuation performances in the application of aerospace components, the cylindrical sandwich shell structure with a gradient core of entangled wire mesh was proposed in this paper. Firstly, the gradient cores of entangled wire mesh in the axial and radial directions were prepared by using an in -house Numerical Control weaving machine, and the metallurgical connection between skin sheets and the gradient core was performed using vacuum brazing. Secondly, to investigate the mechanical properties of cylindrical sandwich shells with axial or radial gradient cores, quasi-static and dynamic mechanical experiments were carried out. The primary evaluations of mechanical properties include secant stiffness, natural frequency, Specific Energy Absorption (SEA), vibration acceleration level, and so on. The results suggest that the vibration-attenuation performance of the sandwich shell is remarkable when the high-density core layer is at the end of the shell or abuts the inner skin. The axial gradient material has almost no influence on the vibration frequencies of the shell, whereas the vibration frequencies increase dramatically when the high-density core layer approaches the skin. Moreover, compared to the conventional sandwich shells, the proposed functional grading cylindrical sandwich shell exhibits more potential in mass reduction, stiffness designing, and energy dissipation. (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-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).
Keyword ：
Damping Damping Entangled wire mesh Entangled wire mesh Gradient cylindrical sandwich shell Gradient cylindrical sandwich shell Secant stiffness Secant stiffness Vacuum brazing Vacuum brazing
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| GB/T 7714 | Xue, Xin , Zheng, Chao , Lai, Fu-qiang et al. Mechanical property of cylindrical sandwich shell with gradient core of entangled wire mesh [J]. | DEFENCE TECHNOLOGY , 2024 , 31 : 510-522 . |
| MLA | Xue, Xin et al. "Mechanical property of cylindrical sandwich shell with gradient core of entangled wire mesh" . | DEFENCE TECHNOLOGY 31 (2024) : 510-522 . |
| APA | Xue, Xin , Zheng, Chao , Lai, Fu-qiang , Wu, Xue-qian . Mechanical property of cylindrical sandwich shell with gradient core of entangled wire mesh . | DEFENCE TECHNOLOGY , 2024 , 31 , 510-522 . |
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This work aims to significantly improve the mechanical properties of conventional rigid lattice structures under repeatable large deformations. A novel hybrid material is proposed based on the concept of interpenetrating composite materials. The material utilizes a woven TC4 orthogonal spiral wire mesh as the skeleton and PU elastomer (OSWM-PU) as the matrix. The uniaxial tensile tests demonstrate that OSWM-PU possesses the excellent load-bearing capacity, allowing for large deformations (>= 60%) while maintaining partial integrity even after matrix fracture. Optical measurements and simulation analysis reveal that Poisson's ratio can be adjusted within a certain range by manipulating the microscopic parameters (p, d) of the longitudinal helical filaments. Cyclic tensile experiments further demonstrate that OSWM-PU exhibits exceptional energy absorption performance, multiple energy dissipation modes, and a more pronounced Mullins effect. The stress relaxation experiment reveals the significant influence of the volume fraction of the skeleton on long-term loading conditions. The orthogonal spiral wire skeleton exhibits a superior hooking effect without dividing the matrix, enabling OSWM-PU to possess enhanced collaborative deformation capability and inherent designability in the orthogonal direction. These characteristics make it highly promising for applications in various robot joints and as flexible aircraft skin, offering excellent prospects for utilization. This work presents a novel hybrid composite with orthogonal spiral wire mesh and polyurethane elastomer. The variation of Poisson's ratio is analyzed. Two main research findings are 1) increased energy dissipation is attributed to friction and debonding occurring at the interface; and 2) higher volume fraction of the wire mesh results in reduced stress retention capacity.image (c) 2024 WILEY-VCH GmbH
Keyword ：
cyclic tensile cyclic tensile interpenetrating composites interpenetrating composites orthogonal spiral wire meshes orthogonal spiral wire meshes Poisson's ratios Poisson's ratios stress relaxation performances stress relaxation performances
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| GB/T 7714 | Xue, Xin , Lin, Congcong , Ye, Zixiong et al. Mechanical Behaviors of Hybrid Composites with Orthogonal Spiral Wire Mesh and Polyurethane Elastomer [J]. | ADVANCED ENGINEERING MATERIALS , 2024 , 26 (10) . |
| MLA | Xue, Xin et al. "Mechanical Behaviors of Hybrid Composites with Orthogonal Spiral Wire Mesh and Polyurethane Elastomer" . | ADVANCED ENGINEERING MATERIALS 26 . 10 (2024) . |
| APA | Xue, Xin , Lin, Congcong , Ye, Zixiong , Lai, Fuqiang . Mechanical Behaviors of Hybrid Composites with Orthogonal Spiral Wire Mesh and Polyurethane Elastomer . | ADVANCED ENGINEERING MATERIALS , 2024 , 26 (10) . |
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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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In order to overcome the high-temperature environment when the aircraft reaches high sound speed, an all-metal vibration isolator with 6-degree-of-freedom (6-DOF) motion is developed. Its stiffness and damping ability are provided by the oblique springs in series and the metal rubber. Aiming to obtain the dynamic stiffness and loss factor of the isolator under multi-directional dynamic load, the ellipse method and inertia force are used in the dynamic test. The results show that the dynamic stiffness decreases and the damping factor increases with the increase of the excitation frequency and amplitude. Moreover, the analysis of the fitted dynamic stiffness of the isolator at different ex-citation frequencies has been conducted. The evaluation of the corresponding error rates within 4% has confirmed the necessity of considering the inertial force effects. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.
Keyword ：
Damping Damping Dynamic loads Dynamic loads Stiffness Stiffness
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| GB/T 7714 | Zheng, Chao , Wu, Jun , Xue, Xin . Optimization of Dynamic Performance for a 6-DOF All-Metal Vibration Isolator [C] . 2024 : 1385-1393 . |
| MLA | Zheng, Chao et al. "Optimization of Dynamic Performance for a 6-DOF All-Metal Vibration Isolator" . (2024) : 1385-1393 . |
| APA | Zheng, Chao , Wu, Jun , Xue, Xin . Optimization of Dynamic Performance for a 6-DOF All-Metal Vibration Isolator . (2024) : 1385-1393 . |
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This work aims to identify ways for the equivalent material parameters of metal-rubber (MR), as well as the establishment of theoretical and numerical methods for sandwich cylindrical shells with metal-rubber core (SCSMR) under thermal conditions. To achieve this goal, the first-order shear deformation theory and Hamiltonian principle are used to derive equations and expressions that consider temperature variations and elastic boundary constraints. This leads to the development of a novel dynamic model for sandwich cylindrical shell structures in a thermal environment. Furthermore, the study analyzes how vibration frequencies are affected by boundary spring stiffness and axial truncation number of displacement-permitted functions using the Jacobi-Ritz method. The impact of aspect ratio, core layer thickness ratio, and temperature on the vibration frequencies of SCS-MR is discussed. The results indicate that temperature slightly affects the frequency of SCS-MR. As the aspect ratio increases, the vibration frequency tends to decrease, irrespective of the circumferential wave number. However, the circumferential wave number plays a considerable role on vibration frequency associated with the core layer thickness ratio.
Keyword ：
Dynamic modeling Dynamic modeling Jacobi-Ritz Jacobi-Ritz Metal-rubber Metal-rubber Sandwich cylindrical shell Sandwich cylindrical shell
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| GB/T 7714 | Wu, Fang , Wei, Yuhan , Wu, Ruixian et al. Dynamic modeling and vibration characteristics of sandwich cylindrical shell with metal-rubber core [J]. | STRUCTURES , 2024 , 63 . |
| MLA | Wu, Fang et al. "Dynamic modeling and vibration characteristics of sandwich cylindrical shell with metal-rubber core" . | STRUCTURES 63 (2024) . |
| APA | Wu, Fang , Wei, Yuhan , Wu, Ruixian , Chen, Xiaochao , Shao, Yichuan , Xue, Xin . Dynamic modeling and vibration characteristics of sandwich cylindrical shell with metal-rubber core . | STRUCTURES , 2024 , 63 . |
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Sandwich structures and porous materials have been applied widely in various fields due to their excellent mechanical performance, and multifunctional composites will have a significant engineering demand in the future. Studying damped composites' mechanical properties and failure forms has significant engineering value and significance. However, the current connecting processes for sandwich panels and porous materials must be improved. Therefore, to explore the ambiguity of the connection interface between the core material and panel in sandwich panels, as well as the mechanical properties of such structures, a sandwich panel with a metal rubber core material was prepared using vacuum brazing and cementing processes. Microscopic examinations using scanning electron microscopy and energy-dispersive spectroscopy were conducted to observe the physical bonding mechanism at the interface of the sandwich panel. The results indicate that the brazed sandwich panels exhibited a more uniform and continuous interface than the cemented sandwich panels. This work designs three-point bending compression experiments to investigate the effects of core material thickness, density, and preparation process on the bending mechanical properties of the sandwich panel. Failure modes of the sandwich panel during the experiments are analyzed. The experimental results show that the failures of the brazed sandwich panels are attributable to the bending deformation of the panel and the shear failure of the metal wire core material. The cemented sandwich panels exhibit separation failures in the area below the indenter and at both ends of the panel. The core material's thickness and density significantly influence the bending performance of the sandwich panels. An increase in the core material's thickness and density effectively enhances the sandwich panels' peak load and energy absorption capacity.
Keyword ：
bending failure modes bending failure modes mechanical property mechanical property metal rubber metal rubber sandwich panel sandwich panel
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| GB/T 7714 | Zhang, Wei , Wang, Shanshan , Zheng, Xiaoyuan et al. Experimental Investigation of the Three-Point Bending Property of a Sandwich Panel with a Metal Rubber Core [J]. | METALS , 2024 , 14 (4) . |
| MLA | Zhang, Wei et al. "Experimental Investigation of the Three-Point Bending Property of a Sandwich Panel with a Metal Rubber Core" . | METALS 14 . 4 (2024) . |
| APA | Zhang, Wei , Wang, Shanshan , Zheng, Xiaoyuan , Xue, Xin . Experimental Investigation of the Three-Point Bending Property of a Sandwich Panel with a Metal Rubber Core . | METALS , 2024 , 14 (4) . |
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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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为满足精密装备多向循环载荷和多重环境减振降噪需求,设计了一款金属橡胶和斜置矩形弹簧组合式三向减振器,建立了动力学理论模型和动态试验测试系统,分析减振系统固有频率、动刚度和阻尼比在各工况下演变规律.通过理论模型预测与试验相结合方法,分析了激振量级对三向组合式减振器动态力学性能的影响规律,以及在常温、高低温、盐雾和湿热等环境下的动态性能指标变化规律和阻尼耗能机制.研究结果表明:随着激振量级的增加,三向组合式减振器固有频率、动刚度和阻尼比有减小趋势,出现刚度软化现象,动力学理论模型解析分析相关性能演变趋势与试验结果具有较好一致性;在各服役环境工况下,金属橡胶阻尼三向减振器力学性能最大变化率可看出该减振器力学特性具有较高稳定性和一致性.
Keyword ：
三向减振器 三向减振器 动态性能 动态性能 环境效应 环境效应 金属橡胶 金属橡胶 阻尼耗能 阻尼耗能
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| GB/T 7714 | 邹路明 , 郑超 , 任子林 et al. 金属橡胶阻尼三向减振器力学特性与环境效应 [J]. | 机械科学与技术 , 2024 , 43 (8) : 1323-1332 . |
| MLA | 邹路明 et al. "金属橡胶阻尼三向减振器力学特性与环境效应" . | 机械科学与技术 43 . 8 (2024) : 1323-1332 . |
| APA | 邹路明 , 郑超 , 任子林 , 赵旭 , 薛新 . 金属橡胶阻尼三向减振器力学特性与环境效应 . | 机械科学与技术 , 2024 , 43 (8) , 1323-1332 . |
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