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学者姓名：薛新
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Abstract ：
Lattice structures have attracted significant scholarly attention due to their exceptional mechanical properties, including lightweight characteristics and high strength. Their multifunctionality, such as energy absorption and vibration reduction, adds to their versatility. While extensive research has been conducted on the vibration reduction performance of plate-type, shell-type, and truss-type lattice structures, studies on cylindrical lattice structures are comparatively limited. To achieve broadband vibration suppression in cylindrical structures, this study proposes a novel cylindrical structure based on pyramid cells. The vibration suppression performance and the bandgap formation mechanism of the pyramid cylindrical lattice skeleton structure are examined, with a quantitative analysis of the influence of structural parameters on vibration suppression performance using normalized indicators. Results indicate that the structure demonstrates multiple bandgaps within the 0-1500 Hz range, exhibiting substantial vibration attenuation capabilities. Additionally, adjusting parameters enables the bandgap to shift toward lower frequencies. Finally, the experimental verification of finite element model has been performed by comparing the vibration transmission curves with a maximum relative error of -7.48% at the resonance peak. This work offers valuable insights for the application of cylindrical lattice structures in vibration and noise control fields.
Keyword ：
bandgap bandgap pyramidal cylinder lattice structure pyramidal cylinder lattice structure vibration suppression performance vibration suppression performance
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| GB/T 7714 | Xue, Xin , Zeng, Qin , Wu, Fang et al. Vibration and Bandgap Characteristics Analysis of Pyramid Cylinder Lattice Skeleton Structure [J]. | ADVANCED ENGINEERING MATERIALS , 2025 . |
| MLA | Xue, Xin et al. "Vibration and Bandgap Characteristics Analysis of Pyramid Cylinder Lattice Skeleton Structure" . | ADVANCED ENGINEERING MATERIALS (2025) . |
| APA | Xue, Xin , Zeng, Qin , Wu, Fang , Liao, Juan , Zhang, Mangong . Vibration and Bandgap Characteristics Analysis of Pyramid Cylinder Lattice Skeleton Structure . | ADVANCED ENGINEERING MATERIALS , 2025 . |
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Metallic sandwich panels featuring cellular metal cores are widely utilized across various sectors due to their exceptional load-bearing efficiency and design versatility. However, their application is often limited by the challenge of shaping complex geometries. This study introduces a novel thin sandwich panel incorporating stainless steel wire mesh (SSWM) core, designed to offer both lightweight properties and enhanced flexibility. Mechanical properties and forming limit diagrams of the sandwich sheet are assessed through tensile tests and Nakajima forming tests. The study investigates how the SSWM stacking angle and strain paths influence the panel's failure behavior and formability. Comparative analyses with monolithic stainless steel sheets of identical dimensions are also conducted. The findings reveal that the sandwich sheet exhibits comparable formability to the monolithic sheet in the tension-compression stain zone, with about 32% higher average specific tensile strength compared to the monolithic counterpart. Importantly, the formability and failure characteristics of the sandwich panel are significantly influenced by in-plane shear deformation of the SSWM core, which is primarily dictated by the SSWM stacking angle and strain paths. Notably, the sandwich sheet with 45 degrees stacking angle demonstrates superior plasticity and formability.
Keyword ：
failure behaviors failure behaviors formability formability sandwich panels sandwich panels stainless steel wire mesh stainless steel wire mesh
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| GB/T 7714 | Liao, Juan , Qian, Jinhang , Cao, Houchen et al. Formability and Failure Behavior of a Thin Sandwich Panel with Stainless Steel Wire Mesh [J]. | ADVANCED ENGINEERING MATERIALS , 2025 , 27 (4) . |
| MLA | Liao, Juan et al. "Formability and Failure Behavior of a Thin Sandwich Panel with Stainless Steel Wire Mesh" . | ADVANCED ENGINEERING MATERIALS 27 . 4 (2025) . |
| APA | Liao, Juan , Qian, Jinhang , Cao, Houchen , Xue, Xin . Formability and Failure Behavior of a Thin Sandwich Panel with Stainless Steel Wire Mesh . | ADVANCED ENGINEERING MATERIALS , 2025 , 27 (4) . |
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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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Abstract ：
多材复合高温基线密封件是一种集隔热芯材、金属编织弹簧管和陶瓷纤维编织管于一体的新型多孔复合结构材料，在动载荷作用下具有柔性、耐高温、耐磨和密封等多功能优异性能，尤其对提高新一代高速飞行器热端部件的综合性能上起到关键性作用。它综合利用了内层隔热芯材的热防护、中间层高温合金编织弹簧管的弹性回复和外层陶瓷纤维管的耐热、耐磨等各自的性能优势。然而，由于各基材结构和性能之间的差异性，多材混杂结构与整体性能调控之间的内在联系尚不明确。基于此，首先介绍了多材复合高温基线密封件各组成材料特性及其制备工艺；其次，对现有高温基线密封件的理论和数值模型等研究方法进行梳理和归纳；再次，阐述了多材复合高温基线密封件在关键制备工艺和高温动载荷服役过程中存在的主要技术挑战；最后，对多材复合高温基线密封件的研究发展趋势和潜在工程应用进行了展望。
Keyword ：
制备工艺 制备工艺 动密封 动密封 弹性行为 弹性行为 耐磨 耐磨 高温基线密封 高温基线密封
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| GB/T 7714 | 魏雨函 , 曾琴 , 白鸿柏 et al. 多材复合高温基线密封件的研究进展 [J]. | 复合材料学报 , 2024 , 41 (07) : 3453-3466 . |
| MLA | 魏雨函 et al. "多材复合高温基线密封件的研究进展" . | 复合材料学报 41 . 07 (2024) : 3453-3466 . |
| APA | 魏雨函 , 曾琴 , 白鸿柏 , 薛新 . 多材复合高温基线密封件的研究进展 . | 复合材料学报 , 2024 , 41 (07) , 3453-3466 . |
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Elastic-porous metal rubber, commonly employed in dynamic environments, has received special attention nowadays. Utilization of equivalent metal rubber models in the finite element analysis becomes imperative because of the complexity of the spatial network structure and the extensive numerical calculations involved in it. In this work, the nonlinear characteristics of metal rubber are represented by hyperelastic constitutive models, and the Mullins effect is discussed. The relative deviations of the displacement-load curve among the test results and three dynamic models are analyzed: the hysteretic Bergstr & ouml;m-Boyce model, the viscoelastic generalized Maxwell model, and the nonlinear spring-viscous damping element model. The results indicate that the damage value of the Mullins effect is positively correlated with the magnitude of the strain during unloading, and the performance degradation of metal rubber is weakened after multiple cycles. The time domain characteristics of the generalized Maxwell model demonstrate that the dynamic analysis of metal rubber at different frequencies have obvious deviations. The rate correlation of metal rubber affects the dynamic stiffness under different amplitudes This is reason that the nonlinear spring-viscous damping element model is deviated. Regardless of the frequency or amplitude, the Bergstr & ouml;m-Boyce model has been found to exhibit a lower relative deviation and match well with the dynamic experiment.
Keyword ：
& Auml;quivalenzmodell & Auml;quivalenzmodell dynamic analysis dynamic analysis dynamische Analyse dynamische Analyse elastic-porous metal rubber elastic-porous metal rubber elastisch-por & ouml;ser Metallgummi elastisch-por & ouml;ser Metallgummi equivalent model equivalent model Mullins effect Mullins effect Mullins-Effekt Mullins-Effekt nichtlineare Eigenschaften nichtlineare Eigenschaften nonlinear characteristics nonlinear characteristics
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| GB/T 7714 | Zheng, C. , Chen, Y. , Liu, J. et al. Dynamic constitutive modelling and mullins effect of elastic-porous metal rubber [J]. | MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK , 2024 , 55 (12) : 1717-1731 . |
| MLA | Zheng, C. et al. "Dynamic constitutive modelling and mullins effect of elastic-porous metal rubber" . | MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK 55 . 12 (2024) : 1717-1731 . |
| APA | Zheng, C. , Chen, Y. , Liu, J. , Xue, X. , Zhang, M. . Dynamic constitutive modelling and mullins effect of elastic-porous metal rubber . | MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK , 2024 , 55 (12) , 1717-1731 . |
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This work aims to identify ways to achieve dynamic performances of a novel double-layer vibration isolation system (DL-VIS) capable of achieving multi-directional isolation and extreme environmental adaptability. A forward modeling approach applicable to complex systems has been developed and analyses of nonlinear dynamic characteristics under different working conditions are performed. First, by integrating with constitutive models in terms of individual elastic elements and the connective relationships within the structure, multidirectional constitutive models for isolation devices are established. Further, the decomposition of linear and nonlinear stiffness components in different directions is performed using the Taylor expansion method. Subsequently, the dynamic response under sinusoidal sweep frequency loading is obtained using the related stiffnesses in the dynamic model and adopting the extended harmonic balance method. The effects of stiffness, damping, and a nonlinear stiffness gradient on the DL-VIS response are thoroughly evaluated. Finally, the vibration isolation performance and nonlinear dynamics under different working conditions are examined, and the proposed dynamic model is experimentally validated. The results indicate that the response of DL-VIS varies significantly under different working conditions, particularly under overload conditions. The nonlinear characteristics lead to wide-band instability near the natural frequency and excellent vibration attenuation performance in multiple directions. The theoretical model agrees well with the experimental results in the nonresonant region and near the first resonant peak, which proves the prediction accuracy in the low-frequency range. These findings provide robust theoretical and technical support for the design and performance optimization of isolation systems. © 2024 The Author(s). International Journal of Mechanical System Dynamics published by John Wiley & Sons Australia, Ltd on behalf of Nanjing University of Science and Technology.
Keyword ：
double-layer vibration isolation system double-layer vibration isolation system dynamic model dynamic model experimental validation experimental validation harmonic balance method harmonic balance method nonlinear nonlinear
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| GB/T 7714 | Zheng, C. , Gao, J. , Liu, J. et al. Dynamic performances of a double-layer vibration isolation system: Nonlinear modeling and experimental validation [J]. | International Journal of Mechanical System Dynamics , 2024 . |
| MLA | Zheng, C. et al. "Dynamic performances of a double-layer vibration isolation system: Nonlinear modeling and experimental validation" . | International Journal of Mechanical System Dynamics (2024) . |
| APA | Zheng, C. , Gao, J. , Liu, J. , Xue, X. . Dynamic performances of a double-layer vibration isolation system: Nonlinear modeling and experimental validation . | International Journal of Mechanical System Dynamics , 2024 . |
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The high temperature baseline seal with hybrid structure of multiple materials is a novel porous composite, which is composed of thermal insulation core material, metal braided spring tube and ceramic fiber braided tube. It has excellent multi-functional performances, including flexibility, high temperature resistance, abrasion resistance and sealing. It is vital for improving the comprehensive performance of the hot end components, especially for the new generation of high-speed aircraft. Hybrid structure of multiple materials can take advantage of specific attributes of each material to enhance the performance of a product or introduce new functionalities. For the proposed high-temperature baseline, the inner core material plays a role on thermal insulation, and the intermediate superalloy braided spring tube play a dominative effect on the elastic deformation recovery during the dynamic seal condition, and the outer ceramic fiber tube makes a function on heat and wear resistance. The major problem of hybrid structure is emanated from the different property of each component material, the internal relationship between hybrid structure and performance regulation is still unclear. To end this, the characteristics of each component material and fabrication technology of high temperature baseline seal with hybrid structure of multiple materials are firstly introduced. Then, the current research on the theory and numerical model of high temperature baseline are sorted out and summarized. Once more, the main challenges for the key fabrication technology of high-temperature baseline seal and its service ability in the high-temperature and dynamic loading are expounded. Finally, the research development trend and engineering application potentials of novel high-temperature baseline seal with hybrid structure of multiple materials are prospected. © 2024 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
Keyword ：
dynamic seal dynamic seal elastic behavior elastic behavior fabrication technology fabrication technology high-temperature baseline seal high-temperature baseline seal wear resisirance wear resisirance
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| GB/T 7714 | Wei, Y. , Zeng, Q. , Bai, H. et al. Research progress of high-temperature baseline seal with hybrid structure of multiple materials; [多材复合高温基线密封件的研究进展] [J]. | Acta Materiae Compositae Sinica , 2024 , 41 (7) : 3453-3466 . |
| MLA | Wei, Y. et al. "Research progress of high-temperature baseline seal with hybrid structure of multiple materials; [多材复合高温基线密封件的研究进展]" . | Acta Materiae Compositae Sinica 41 . 7 (2024) : 3453-3466 . |
| APA | Wei, Y. , Zeng, Q. , Bai, H. , Xue, X. . Research progress of high-temperature baseline seal with hybrid structure of multiple materials; [多材复合高温基线密封件的研究进展] . | Acta Materiae Compositae Sinica , 2024 , 41 (7) , 3453-3466 . |
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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 X-ray 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 propor-tional 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.Micro-structural 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 pri-marily at AA1050/TiAl3 interfaces.
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| GB/T 7714 | Juan Liao , Mengmeng Tian , Xin Xue . Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment [J]. | 防务技术 , 2024 , 33 (3) : 197-208 . |
| MLA | Juan Liao et al. "Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment" . | 防务技术 33 . 3 (2024) : 197-208 . |
| APA | Juan Liao , Mengmeng Tian , Xin Xue . Interface property of dissimilar Ti-6Al-4V/AA1050 composite laminate made by non-equal channel lateral co-extrusion and heat treatment . | 防务技术 , 2024 , 33 (3) , 197-208 . |
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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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