Results 21 to 30 of about 30,325 (260)

Multiple-Criteria Evaluation of Thin-Walled Energy-Absorbing Structures of Train Under Fuzzy Environment: Modeling and Algorithm

IEEE Access, 2021
High-speed train is of great significance in the modern comprehensive transportation system. Bio-inspired engineering design, with the excellent structural and mechanical properties of the biological systems, has been a widespread concern in the design ...
Hongliang Li, Jiangjie Qiu, Tao Li, Guoquan Xie, Danqi Wang, Wenjie Wang   +5 more
doaj   +1 more source

Reducing initial peak force through chamfered triggers: A study on thin-walled tubular structures for energy absorption and crash protection [PDF]

AIP Advances
Thin-walled tubular structures play a significant role in energy absorption owing to their lightweight nature, low cost, and high specific energy absorption, which are widely applied in crash resistance in aerospace and vehicle fields.
Jin Wu, Cheng He, Guoping Chen, Pengkun Yue, Huan He   +4 more
doaj   +1 more source

Simulation of temperature and weld growth mechanism in ultrasonic welding of carbon fiber reinforced polyamide 66 composite: Employing the high frequency real-time horn vibration

Journal of Materials Research and Technology, 2023
Ultrasonic welding (UW) of carbon fiber reinforced polyamide 66 (CF/PA 66) composite is a very promising process for assembly of automobile component. Simulation of the temperature distribution and weld growth in UW process remains a difficulty issue. In
Xinrong Tan, Qian Zhi, Jinming Ma, Yuhua Chen, Yongbing Li   +4 more
doaj   +1 more source

Experimental study of twisted thin-walled box components in single-layer domes

Case Studies in Construction Materials, 2023
In recent years, the demand for thin-walled structures has dramatically increased in civil, mechanical, and aerospace engineering fields. Numerous new structural components were introduced due to the upsurge trend.
Yuanyuan Li, Jianguo Cai, Honghu Jiang, Qian Zhang, Ahmad B.H. Kueh, Zan Wang, Jian Feng   +6 more
doaj   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source

OPTIMIZATION DESIGN OF POLYGONAL THIN-WALLED TUBES STRUCTURE WITH INDUCED IMPERFECTION

Jixie qiangdu, 2020
In this paper,the finite element method was used to simulate the thin-walled structure under axial impact. The influence of the cross-sectional shape and induced hole size of the thin-walled tube on deformation mode of structure and energy absorption ...
MA ShaoLin, MIAO FuXing
doaj  

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

Advanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios, Anthony Gonzalez, Aleksander Aleman, Tyler Dolmetsch, Tanaji Paul, Arvind Agarwal   +5 more
wiley   +1 more source

Fabrication and energy absorption characteristics of thin-walled metal structures fabricated by thermal debinding bound metal deposition additive manufacturing

Journal of Aeronautical Materials
Thermal debinding is a safe and environmentally friendly debinding method for removing the binders during the process of metal parts manufacturing by bound metal deposition (BMD).
ZHU Yanfei, LIU Fengchao, WANG Yandong, ZHANG Hao, XUE Peng, WU Lihui, NI Dingrui, XIAO Bolyu, MA Zongyi   +8 more
doaj   +1 more source

Design of domain-limited CVI reactor for L-shaped C/C structure

Journal of Materials Research and Technology, 2023
New complex-shaped and thin-walled carbon/carbon (C/C) composites have become the main hot structural material for new hypersonic vehicles because of their superior properties.
Donghai Du, Weijie Li, Mengshan Zhang, Zhongwei Zhang   +3 more
doaj   +1 more source

Thin-Walled Timber Structures [PDF]

, 2014
Due to their efficiency, lightweight, ease of erection and low cost, steel and aluminium thin-walled structures have become very popular in the construction industry over the past few decades. Applications include roof and wall systems (purlins and girts), storage racks, and composite concrete and steel slabs. The effectiveness of these structures lies
Gilbert, B. P., Hancock, S. B., Bailleres, Henri   +2 more
openaire   +2 more sources