A Bimaterial Beam Strategy for Suppressing Thermal Deformation of Arc-Shaped CFRP Ribs via Asymmetric Laminate Design [0.03%]
基于不对称铺层设计的弧形碳纤维增强复合材料肋热变形抑制方法研究
Yonggang Xue,Xiaofei Ma,Yonggang Fang et al.
Yonggang Xue et al.
Deployable reflector antennas demand high geometric precision; the Ruze equation directly links surface error to RF gain. Arc-shaped CFRP ribs are vulnerable to thermal deformation, as their curvature converts in-plane expansion into out-of...
Wenqing Zhao,Lideng Ye,Junfeng Wu et al.
Wenqing Zhao et al.
The CaO-Al2O3-Fe2O3 system is widely encountered in cement production, iron ore sintering, metallurgical slags, and refractory materials. A thermodynamic assessment of the CaO-Fe2O3 and CaO-Al2O3-Fe2O3 systems was carried out in this study ...
Barkhausen Noise in 100Cr6 Bearing Steel as a Function of Microstructure and Stress State [0.03%]
100Cr6轴承钢显微组织和应力状态对 Barkhausen噪声的影响
Martin Pitoňák,Anna Mičietová,Ján Moravec et al.
Martin Pitoňák et al.
This study is focused on the unwrapping contribution of microstructure (mainly expressed in terms of dislocation density) and stress state in the quenched bearing steel 100Cr6. Microstructure as well as residual stress state alterations are...
Levente Ákos Ludvig,Bianka Forczek,Gábor Harsányi
Levente Ákos Ludvig
This study investigates the degradation mechanisms of 2835-packaged white LEDs commonly used in residential lighting scenarios under various environmental conditions and explores how standard ageing tests compare to those that better reflec...
Synergistic Thermal-Electrical Modulation of Broadband Terahertz Absorption via Asymmetric MoS2/VO2 Hybrid Metasurfaces [0.03%]
基于不对称的MoS2/VO2杂化超表面的宽带太赫兹吸收的热-电协同调控
Xiaoyue Lu,Xianbin Zhang,Shihan Zhao et al.
Xiaoyue Lu et al.
To address the challenge of simultaneously achieving broadband absorption, multi-mechanism tunability, and angular stability in terahertz multifunctional devices, this paper proposes a MoS2/VO2 composite terahertz metamaterial absorber base...
Rikard Gebart
Rikard Gebart
Thermal runaway during cure limits robust process design for thick composite laminates, especially when shell curvature and non-uniform heat transfer alter local heat removal. We present a semi-analytical framework for estimating safe curin...
Deterioration Mechanism and Health Diagnosis Methods of Deep Anchoring Structures [0.03%]
深基础结构劣化机理与健康诊断方法
Shucan Lu,Saisai Wu,Moxuan Zhu et al.
Shucan Lu et al.
As mineral resource extraction progressively extends to greater depths, the complex deep underground environment poses severe corrosion-induced deterioration risks to anchoring structures such as rock bolts. Anchorage failure has thus becom...
Comparison of Destructive Strength Testing with Non-Destructive Ultrasonic Pulse Velocity Testing for Waste Marble Aggregate Concrete: An Experimental and Statistical Investigation [0.03%]
废大理石集料混凝土破坏性抗压测试与非破坏性超声波脉冲速度测试的对比:试验与统计分析
Esra Tuğrul Tunç
Esra Tuğrul Tunç
In this study, the performance of eco-friendly concrete produced by utilizing waste marble as a total aggregate replacement was evaluated. The experimental findings indicated that the developed waste marble aggregate concrete (WMC) specimen...
Experimental Study on Crack Evolution Law of a Full-Scale Prestressed Concrete Beam Based on Fractal Theory [0.03%]
基于分形理论的全断面预应力混凝土梁裂缝扩展规律试验研究
Zhenyu Jiang,Bo Wang,Hongyi Liu et al.
Zhenyu Jiang et al.
There are different degrees of cracks in prestressed concrete (PC) beams, especially the transverse cracks in the bottom plate and the vertical cracks in the web of prestressed concrete box girders, which will reduce the bearing capacity of...
Analysis of Some Empirical Equations for Modeling Sound Absorption of Porous Absorbers [0.03%]
多孔吸声材料声学模型的经验公式分析研究进展
Valentín Gómez Escobar,Celia Moreno González
Valentín Gómez Escobar
The empirical Delany-Bazley model and several of its subsequent modifications were evaluated to determine their ability to predict the sound absorption coefficient spectra of porous materials. The study considered three porous materials (fo...