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Journal articles on the topic 'Thin-walled'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Taha, Sharifah Shazzana Bt Wan, Haidar F. Al-Qrimli, and Omar Dhari Hussein. "Numerical Crashworthiness Improvements of Thin Walled Structures." International Journal of Materials, Mechanics and Manufacturing 7, no. 4 (2019): 180–84. http://dx.doi.org/10.18178/ijmmm.2019.7.4.455.

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2

Vinay Babu, M., and K. Veeraswamy. "Shape Optimization of Thin-Walled Tubes Under_Axial_Velocity." International Journal of Scientific Engineering and Research 4, no. 12 (2016): 33–41. https://doi.org/10.70729/9121601.

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3

Luo, Zhong, You Wang, Yunpeng Zhu, and Deyou Wang. "The Dynamic Similitude Design Method of Thin Walled Structures and Experimental Validation." Shock and Vibration 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/6836183.

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For the applicability of dynamic similitude models of thin walled structures, such as engine blades, turbine discs, and cylindrical shells, the dynamic similitude design of typical thin walled structures is investigated. The governing equation of typical thin walled structures is firstly unified, which guides to establishing dynamic scaling laws of typical thin walled structures. Based on the governing equation, geometrically complete scaling law of the typical thin walled structure is derived. In order to determine accurate distorted scaling laws of typical thin walled structures, three princ

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4

Huang, Yueh-Tzu, Chiung-Fang Huang, Bou-Yue Peng, et al. "Experimental and Numerical Study Determining the Warpage Phenomenon of Thin-Wall Injection Molding." Advances in Polymer Technology 2020 (October 26, 2020): 1–13. http://dx.doi.org/10.1155/2020/2914801.

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This study emphasizes the warpage phenomenon of thin-walled parts using acrylonitrile-butadiene styrene (ABS) plus polycarbonate (PC) plastics for optimal processing by thin-wall injection molding. The authors first employed the Moldflow software to analyze the runner’s balance on multicavities for thin-walled parts and to simulate the warpage of thin-walled parts with thin-wall injection molding. Then, this study used those data to fabricate a real mold by computer numerical control machining. For this study, the authors fabricated thin-walled parts and measured their warpage using various pr

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5

Zhao, Xiao-Ling. "Thin-walled structure." Thin-Walled Structures 47, no. 10 (2009): 1019. http://dx.doi.org/10.1016/j.tws.2008.10.005.

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6

Dubina, Dan. "Thin-walled structures." Steel Construction 4, no. 4 (2011): 213–14. http://dx.doi.org/10.1002/stco.201190032.

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7

Wang, Zhen Hong, Shu Ping Yu, and Yi Liu. "Temperature Control and Anti-Cracking Measures for a High-Performance Concrete Aqueduct." Applied Mechanics and Materials 405-408 (September 2013): 2739–42. http://dx.doi.org/10.4028/www.scientific.net/amm.405-408.2739.

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To solve the problem of cracks developing on thin-walled concrete structures during construction, the authors expound on the causes of cracks and the crack mechanism. The difference between external and internal temperatures, basic temperature difference and constraints are the main reasons of crack development on thin-walled concrete structures. Measures such as optimizing concrete mixing ratio, improving construction technology, and reducing temperature difference can prevent thin-walled concrete structures from cracking. Moreover, water-pipe cooling technology commonly used in mass concrete

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8

Hu, Yuanfan, and Yongguo Zhu. "Modeling of Non-Uniform Interference and Deformation Prediction for Riveting Assembly of Aircraft Thin-Walled Components." Aerospace 12, no. 6 (2025): 526. https://doi.org/10.3390/aerospace12060526.

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Current deformation modeling theories for aircraft thin-walled components in riveting assembly typically assume uniform rivet interference. However, engineering practice shows that rivet interference is non-uniform, and such interference directly affects the magnitude of thin-walled component deformation during riveting assembly. Therefore, this paper investigates the deformation of aircraft thin-walled components caused by press riveting, models the non-uniform rivet interference for thin-walled components in riveting assembly, and conducts deformation prediction modeling. This paper performs

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9

Samardžiová, Michaela, Martin Kováč, and Martin Necpal. "Contact Measurement of Flatness of Parts with Low Rigidity." Key Engineering Materials 581 (October 2013): 437–42. http://dx.doi.org/10.4028/www.scientific.net/kem.581.437.

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An article deals with a measurement of flatness of thin-walled parts with low rigidity. The flatness is important for quality thin-walled parts made by milling. Measurement of the variation in the flatness of thin-walled components conventional 3-axis, high-speed 3-axis milling was done. In the first part is description of flatness and definition of thin-walled parts. Second part characterizes the measuring system, the principle of measurement and experimental setup. The last part of this work is evaluation of the experiment, which compares different factors to determinate flatness during mach

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10

Liu, Yufei, Dong Tang, and Jinyong Ju. "Electromechanical Coupling Dynamic and Vibration Control of Robotic Grinding System for Thin-Walled Workpiece." Actuators 12, no. 1 (2023): 37. http://dx.doi.org/10.3390/act12010037.

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The robotic grinding system for a thin-walled workpiece is a multi-dimensional coupling system composed of a robot, a grinding spindle and the thin-walled workpiece. In the grinding process, a dynamic coupling effect is generated, while the thin-walled workpiece stimulates elastic vibration; the grinding spindle, as an electromechanical coupling actuator, is sensitive to the elastic vibration in the form of load fluctuations. It is necessary to investigate the electromechanical coupling dynamic characteristics under the vibration coupling of the thin-walled workpiece as well as the vibration c

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Оробей, В., О. Ковра, С. Чабан, Д. Пуріч та Н. Арцибашева. "ЗАСТОСУВАННЯ МЕТОДУ ГРАНИЧНИХ ЕЛЕМЕНТІВ ДЛЯ РОЗРАХУНКУ НАПРУЖЕНО-ДЕФОРМОВАНОГО СТАНУ ПРИ КРУЧЕННІ ТОНКОСТІННИХ РАМ АВТОМОБІЛІВ". Collection of scientific works of Odesa Military Academy, № 19 (30 червня 2023): 140–52. http://dx.doi.org/10.37129/2313-7509.2023.19.140-152.

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Currently, the main method of calculating the stress-strain state (SSS) is the finite element method (FEM), implemented in software packages such as ANSYS, Solid Works, MATLAB, and others. It is established that if the SSS structure is described by rod functions, then the finite element method gives accurate results. If the state of the object is described by other functions, then MSE can give only approximate results of SSS calculation. Therefore, in this work, the authors applied a more accurate method of calculating the SSS of thin-walled car frames – the numerical analytical method of boun

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12

Yu, Jiangtong, Wenlei Sun, Haibo Huang, and Yong Huang. "Study on the Deformation Control and Microstructures of Thin-Walled Parts Repaired by Laser Cladding." Coatings 10, no. 4 (2020): 369. http://dx.doi.org/10.3390/coatings10040369.

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To reduce the deformation and improve the quality of thin-walled parts repaired by laser cladding, a three-factor, three-level orthogonal experimental scheme was employed to clad Ni60 powder on thin-walled parts with a thickness of 3.5 mm. To measure the deformation of the thin-walled parts, a method of combining the meshing of the backs of the thin-walled parts and fixing one end of the parts during cladding was used. The effects of the powder feed rate, laser power, and scanning speed on the deformation of the thin-walled parts were studied via visual analysis and analysis of variance, and t

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13

Solov'ev, Nikolay, Sergey Chizhov, and Yuliya Avdey. "Methodological justification for the calculation of cold-formed steel thin-walled profiles in bridge structures at the project stage." Proceedings of Petersburg Transport University 21, no. 3 (2024): 622–37. http://dx.doi.org/10.20295/1815-588x-2024-03-622-637.

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Objective: perform a comparative analysis of the features of existing theories for calculating cold-formed steel thin-walled profiles, consider the need to develop a calculation methodology and justify the criteria for the applicability of cold-formed steel thin-walled profiles in the main structures of bridge structures, justify the feasibility of using structures from thin-walled cold-formed profiles in relation to bridge construction in order to reduce metal consumption and increase economic efficiency. Methods: a comparison of existing theories for calculating cold-formed steel thin-walled

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14

Mat, Fauziah, K. Azwan Ismail, S. Yaacob, and O. Inayatullah. "Impact Response of Thin-Walled Tubes: A Prospective Review." Applied Mechanics and Materials 165 (April 2012): 130–34. http://dx.doi.org/10.4028/www.scientific.net/amm.165.130.

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Thin-walled structures have been widely used in various structural applications asimpact energy absorbing devices. During an impact situation, thin-walled tubesdemonstrate excellent capability in absorbing greater energy through plastic deformation. In this paper, a review of thin-walled tubes as collapsible energy absorbers is presented.As a mean of improving the impact energy absorption of thin-walled tubes, the influence of geometrical parameters such as length, diameter and wall thickness on the response of thin-walled tubes under compression axial loading are briefly discussed. Several de

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15

Yang, Liang, and Jia Rong Li. "Effects of Section Size on the Stress Rupture Lives of the Machined Thin-Walled Slab Specimen of DD6 Single Crystal Superalloy at 980 °C/250 MPa." Advanced Materials Research 816-817 (September 2013): 90–95. http://dx.doi.org/10.4028/www.scientific.net/amr.816-817.90.

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The effects of section size on the stress rupture lives of DD6 single crystal superalloy at 980 °C/250 MPa were investigated adopting machined thin-walled slab specimen. Stress rupture fractograph was analyzed. The results show that stress rupture lives of machined thin-walled slab specimen decline slightly with the reduction of section size at 980 °C/250 MPa, and stress rupture lives of thin-walled specimen are slightly lower compared with that of 5 mm in diameter standard cylindrically specimen, however, the stress rupture lives of thin-walled specimen are still about 200 hours. The decrease

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16

Chen, Chang Hong, and Ying Huang. "The Pre-Twisted Thin-Walled Beam Element Stiffness Matrix Considering the Saint-Venant Warping Deformation." Advanced Materials Research 871 (December 2013): 129–34. http://dx.doi.org/10.4028/www.scientific.net/amr.871.129.

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Based on the traditional mechanical model of thin-walled straight beam, the paper makes a systematic analysis and research on the pre-twisted thin-walled beam finite element numerical model. Firstly, based on the geometric deformation differential relationship, the paper deduces the pre-twisted thin-walled beam Saint-Venant warping strain. According to traditional thin-walled straight beam finite element mechanical model, the paper establishes its finite element stiffness matrix considering the Saint-Venant warping deformations. Finally, by calculating the pre-twisted elliptical section beam e

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17

Zhu, Yun, and Xue You Zhao. "Principal Stress and Principal Strain Response in Thin-Walled Cylinder." Applied Mechanics and Materials 518 (February 2014): 286–89. http://dx.doi.org/10.4028/www.scientific.net/amm.518.286.

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The thin-walled cylinder internal pressure is common in practice. In the determination of air on the surface of thin-walled cylindrical principal stress and principal strain, and the resistance strain measurement technique was used for the direct measurement. This paper deals with the function relations of principal stress and principal stain of a thin-walled cylinder varying with time, and the relations between the principal stain rate and the thickness of a thin-walled cylinder, as it is subjected to internal pressure.

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18

Peterka, Jozef, and Ivan Buranský. "Using Aramis for Measurement of Deformation of Thin-Walled Parts during Milling." Research Papers Faculty of Materials Science and Technology Slovak University of Technology 18, no. 28 (2010): 45–50. http://dx.doi.org/10.2478/v10186-010-0005-3.

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Using Aramis for Measurement of Deformation of Thin-Walled Parts during Milling This paper describes deformation measurement of thin-walled parts by ARAMIS measuring system. During the milling, machine and workpiece may deviate from required geometry. Thin-walled parts are primarily used in automotive, aerospace and energy industries. ARAMIS is a system for optical 3D deformation analysis for static or dynamically loaded specimens and components. ARAMIS measuring system can be used for determining the deformation of thin-walled parts during milling.

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19

S, Anand Kumar, Ajay Kushwaha, Nagesha B K, and Sanjay Barad. "Hybrid surface characterisation of intra thin-walled Ti6Al4V surfaces produced by laser powder bed fusion technology." Surface Topography: Metrology and Properties 10, no. 1 (2022): 015006. http://dx.doi.org/10.1088/2051-672x/ac4a46.

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Abstract The proposed work investigates the hybrid surface characterisation of intra thin-walled Ti6Al4V surfaces fabricated using laser powder bed fusion technology. The thin-walled samples were characterised using scanning electron microscopy and Opto-digital microscopy techniques. The fractal dimensional analysis was performed using ImageJ software integrated with an open-source MultiFrac plug-in. The surface microscopy analysis revealed satellites powder particles, partially melted powder particles, spherical balling, and pores on the thin-walled surface. The fractal dimension establishes

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20

Grenda, Michał. "The Numerical Investigation of Thin-Walled Beams with Modified C-Sections." Archives of Mechanical Technology and Materials 38, no. 1 (2018): 57–66. http://dx.doi.org/10.2478/amtm-2018-0010.

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Abstract Demand for thin-walled structures has been increasing for many years. Cold- formed, thin-walled channel beams are the subject of presented research. The local elastic buckling and limit load of these beams subjected to pure bending are investigated. This study includes numerical investigation called the Finite Strip Method (FSM). The presented results give a deep insight into behaviour of such beams and may be used to validate analytical models. The number of works devoted to the theory of thin-walled structures has been steadily growing in recent years. It means that is an increasing

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21

Luo, Zhong, You Wang, Yunpeng Zhu, Xueyan Zhao, and Deyou Wang. "The similitude design method of thin-walled annular plates and determination of structural size intervals." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 230, no. 13 (2015): 2158–68. http://dx.doi.org/10.1177/0954406215592055.

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For the design problem of dynamic similitude models of an aero engine’s turbine discs, distorted scaling laws and structural size intervals of thin walled annular plates are established in the research. According to the governing equation, the geometrically complete scaling law of thin walled annular plates is firstly established. In order to determine accurate distorted scaling laws of thin walled annular plates, three significant principles are proposed and theoretically proved combining the governing equation and the sensitivity analysis. According to results of the sensitivity analysis, ac

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22

Hu, Yuanfan, Yongguo Zhu, and Feng Guo. "Riveting deformation prediction of aircraft thin-walled parts based on BAS-BP neural network." Journal of Physics: Conference Series 2955, no. 1 (2025): 012027. https://doi.org/10.1088/1742-6596/2955/1/012027.

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Abstract The contact surface is rough, which affects the riveting process. Firstly, the mechanical analysis of riveting deformation is carried out. Force and contact stiffness of joint surfaces are constructed by fractal contact theory. The fractal contact model of the rough surface of thin-walled parts is established. Based on the measured data of the riveting surface, the finite element analysis model of the rough surface of thin-walled parts is established. The interference uniformity of thin-walled parts is influenced by variables such as riveting force, riveting force action time, the len

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23

Wu, Qiong, Lei Li, and Yi-Du Zhang. "Simulations and Experiments on Vibration Control of Aerospace Thin-Walled Parts via Preload." Shock and Vibration 2017 (2017): 1–7. http://dx.doi.org/10.1155/2017/8135120.

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Thin-walled parts primarily comprise the entire piece of rough machining, and the material removal rate can surpass 95%. Numerous components with thin-walled structures are preferred in the aerospace industry for their light weight, high strength, and other advantages. In aerospace thin-walled workpiece machining processes and practical applications, they are excited by the vibration. The preload changing the modal stiffness of the part is found and this change causes continuous changes in the natural frequency. Researching on the influence of pretightening force on dynamic characteristics of

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24

Min, Yonglin, Xiao Liu, Gaofeng Hu, et al. "A Research Method to Investigate the Effect of Vibration Suppression on Thin-Walled Parts of Aluminum Alloy 6061 Based on Cutting Fluid Spraying (CFS)." Machines 13, no. 7 (2025): 594. https://doi.org/10.3390/machines13070594.

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This study aims to address the issues of high tool wear rate, severe deterioration of machining accuracy, and surface integrity in thin-walled part cutting processes, which are caused by vibration. To do so, this paper proposes a thin-walled part processing vibration control method based on CFS. With aluminum alloy 6061 planar thin-walled parts as the object of study, in this paper a CFS experimental platform was established, the influence of CFS on the dynamic characteristics of the thin-walled parts was analyzed, the effects of milling force and processing vibration during thin-walled part m

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25

Wang, Ming Hai, Zhong Hai Liu, and Wei Wang. "Study on Precision Machining Titanium Alloy Thin-Walled Parts." Advanced Materials Research 314-316 (August 2011): 1778–82. http://dx.doi.org/10.4028/www.scientific.net/amr.314-316.1778.

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In order to obtain the aims of weight reduction, efficiency increase and quality assurance of thin-walled parts of aircraft engine, the titanium alloy thin-walled parts are machined by precision machining method in the experiment. In this paper the precision machining method is used to cut titanium alloy thin-walled parts. The data of surface roughness is chosen as constraint conditions, and machining parameters will be optimized. The optimization parameters is feasible in this experiment, the optimization method is helpful to improve machining parameters and machining technology of titanium a

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26

Ma, Quanjin, Nor Hazwani Mohd Yusof, Santosh Kumar Sahu, et al. "Bio-Inspired Thin-Walled Straight and Tapered Tubes with Variable Designs Subjected to Multiple Impact Angles for Building Constructions." Buildings 15, no. 4 (2025): 620. https://doi.org/10.3390/buildings15040620.

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Thin-walled structures are extensively utilized in construction because of their lightweight nature and excellent energy absorption efficiency, especially under dynamic loads. Improving the energy-absorbing performance of thin-walled structures by inspiring natural multi-cell designs is a sufficient approach. This paper investigates the energy-absorbing characteristics of variable novel cross-section designs of thin-walled structures subjected to oblique impact loading. Straight and tapered types with seven cross-sectional designs of novel thin-walled structures were studied. The nonlinear ABA

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27

Zhang, Qiang, Bo Wang, and Fang Wei Liao. "Based on Entropy Weight and Fuzzy Comprehensive Evaluation Ecological Benefits of the Project—Analysis on Cold-Formed Thin-Walled Steel Residential Structure." Advanced Materials Research 328-330 (September 2011): 943–47. http://dx.doi.org/10.4028/www.scientific.net/amr.328-330.943.

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In this article, the entropy weight and fuzzy comprehensive evaluation methods is applied to Ecological Benefit of cold-formed thin-walled steel residential structure. Designed indicators system of Ecological benefits about cold-formed thin-walled steel residential structure, we divided into nine indicators in the system, then we grant questionnaire through selecting experts of project benefits Evaluation and experts on study about cold-formed thin-walled steel residential structure, Scoring the importance of eco-efficiency indicators, Using the Entropy weight to determine the weights of evalu

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MASHIRI, FIDELIS RUTENDO, XIAO-LING ZHAO, MANFRED A. HIRT, and ALAIN NUSSBAUMER. "SIZE EFFECT OF WELDED THIN-WALLED TUBULAR JOINTS." International Journal of Structural Stability and Dynamics 07, no. 01 (2007): 101–27. http://dx.doi.org/10.1142/s0219455407002228.

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This paper clarifies the terminologies used to describe the size effect on fatigue behavior of welded joints. It summarizes the existing research on size effect in the perspective of newly defined terminologies. It identifies knowledge gaps in designing tubular joints using the hot spot stress method, i.e. thin-walled tubular joints with wall thickness less than 4 mm and thick-walled tubular joints with wall thickness larger than 50 mm, or diameter to thickness ratio less than 24. It is the thin-walled tubular joints that are addressed in this paper. It is found that thin-walled tube-plate T-j

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29

Liu, Dong Sheng, Ming Luo, and Ding Hua Zhang. "Experimental Analysis of Damping Fixture for Thin-Walled Workpiece Milling." Materials Science Forum 836-837 (January 2016): 296–303. http://dx.doi.org/10.4028/www.scientific.net/msf.836-837.296.

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Thin-walled workpieces are widely used in the aerospace manufacturing industry in order to reduce the weight of structure and improve working efficiency. However, vibration is easy to occur in machining of thin-walled structures due to its low stiffness. Machining vibration will result in lower machining accuracy as well as machining efficiency. In order to reduce the machining vibrations of thin-wall workpieces, commonly used method is to select proper machining parameters according to the chatter stability lobes, which is generated according to the machining system parameters. However, this

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30

Cao, Yuan, Yongxiang Jiang, Chaofan Hong, Yanxi Guo, Yuanlong Xu, and Jiayi Li. "Review of Defect Detection Methods for Thin-Walled Parts Based on Point Cloud Data Processing." Frontiers in Science and Engineering 4, no. 11 (2024): 1–6. http://dx.doi.org/10.54691/mmpzgk57.

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Thin-walled parts are widely used in various fields of industrial production, but their inherent characteristics, such as low stiffness and susceptibility to deformation, make them prone to various defects during use. Thin-walled covering parts, which serve as thin shells or covers to protect other components, are extensively utilized in aerospace, automotive, and shipbuilding industries. The condition of these parts is directly related to the structural integrity, performance stability, and operational safety of the associated components and equipment. Due to their direct exposure to external

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31

Lobanov, L. M., and V. S. Volkov. "Thin-walled welded transformable-volume structures of space purpose." Paton Welding Journal 2018, no. 12 (2018): 41–51. http://dx.doi.org/10.15407/tpwj2018.12.04.

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Susanto, Agus, Keiji Yamada, Ryutaro Tanaka, and Katsuhiko Sekiya. "0509 Study of Chatter Characteristic on Thin-Walled Turning." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2015.8 (2015): _0509–1_—_0509–6_. http://dx.doi.org/10.1299/jsmelem.2015.8._0509-1_.

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33

Duong, Nguyen Ngoc, Nguyen Trung Kien, and Nguyen Thien Nhan. "Ritz solution for buckling analysis of thin-walled composite channel beams based on a classical beam theory." Journal of Science and Technology in Civil Engineering (STCE) - NUCE 13, no. 3 (2019): 34–44. http://dx.doi.org/10.31814/stce.nuce2019-13(3)-04.

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Buckling analysis of thin-walled composite channel beams is presented in this paper. The displacement field is based on classical beam theory. Both plane stress and plane strain state are used to achieve constitutive equations. The governing equations are derived from Lagrange’s equations. Ritz method is applied to obtain the critical buckling loads of thin-walled beams. Numerical results are compared to those in available literature and investigate the effects of fiber angle, length-to-height’s ratio, boundary condition on the critical buckling loads of thin-walled channel beams. Keywor

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Tian, Jing, Wei Wu, and Yan Ting Ai. "Research on the Influence of Reinforced Rib Thin-Walled Casing Structure Stiffness." Applied Mechanics and Materials 401-403 (September 2013): 700–703. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.700.

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Reinforced rib is used to strengthen the rigidity of thin-walled casing structure , inhibit the vibration of the structure effectively. In this paper, Finite Element Method is used to simulate the typical reinforced rib thin-walled casing structure. Changing the reinforced rib positions and geometric parameters such as sizes, then calculate the stiffness to weight ratio and dynamic response, at the same time ,make a comparison. The result shows that: The thin-walled case with reinforced rib, the tensile stiffness and bending stiffness were increased, but the stiffness to weight ratio is presen

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Li, Jiaqiang, Yao Chen, Xiaodong Feng, Jian Feng, and Pooya Sareh. "Computational Modeling and Energy Absorption Behavior of Thin-Walled Tubes with the Kresling Origami Pattern." Journal of the International Association for Shell and Spatial Structures 62, no. 2 (2021): 71–81. http://dx.doi.org/10.20898/j.iass.2021.008.

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Origami structures have been widely used in various engineering fields due to their desirable properties such as geometric transformability and high specific energy absorption. Based on the Kresling origami pattern, this study proposes a type of thin-walled origami tube the structural configuration of which is found by a mixed-integer linear programming model. Using finite element analysis, a reasonable configuration of a thin-walled tube with the Kresling pattern is firstly analyzed. Then, the influences of different material properties, the rotation angle of the upper and lower sections of t

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Pronozin, Yakov, Tatyana Maltseva, Oleg Poroshin, and Anna Medvedeva. "Thin-walled shell foundations." MATEC Web of Conferences 265 (2019): 05032. http://dx.doi.org/10.1051/matecconf/201926505032.

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The article presents a study of the interaction of strip foundations of multistorey apartment houses united by flat cylindrical shells with a ground base. The foundation of a 17-storey residential building has been taken as an example. The ground base consists of strong upper and highly compressible underlying layers. The use of traditional foundations under the specified conditions is hardly possible. The calculation scheme of the building and the stages of the ground foundation work are represented. Also, the researchers share the results of geotechnical monitoring in the construction proces

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Järvenkylä, J. J. "Thin-walled thermoplastic pipes." Construction and Building Materials 3, no. 4 (1989): 191–200. http://dx.doi.org/10.1016/0950-0618(89)90013-5.

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Zhang, Huijing, Weihang Liu, Xiaohui Zhao, Xinlong Zhang, and Chao Chen. "Improvement in Microstructure and Properties of 304 Steel Wire Arc Additive Manufacturing by the Micro-Control Deposition Trajectory." Materials 17, no. 5 (2024): 1170. http://dx.doi.org/10.3390/ma17051170.

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In this study, the GMAW welding torch was controlled by a stepping motor to achieve a periodic swing. By controlling the swing speed, a micro-variable deposition path was obtained, which was called the micro-control deposition trajectory. The influence of the micro-control deposition trajectory on the arc characteristics, microstructure, and mechanical properties of 304 steel wire arc additive manufacturing was studied. The results showed that the micro-control deposition process was affected by the swing arc and the deposition trajectory and that the arc force was dispersed over the whole dep

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Yang, Wang, and Yang. "The Rapid Detection Technology of Lamb Wave for Microcracks in Thin-Walled Tubes." Applied Sciences 9, no. 17 (2019): 3576. http://dx.doi.org/10.3390/app9173576.

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Thin-walled tubes are a kind of pressure vessel formed by a stamping and drawing process, which must withstand a great deal of sudden pressure during use. When microcrack defects of a certain depth are present on its inner and outer surfaces, severe safety accidents may occur, such as cracking and crushing. Therefore, it is necessary to carry out nondestructive testing of thin-walled tubes in the production process to eliminate the potential safety hazards. To realize the rapid detection of microcracks in thin-walled tubes, this study could be summarized as follows: (i) Because the diameters o

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Chvertko, P. N., L. A. Semyonov, and K. V. Gushchin. "Flash-butt welding of thin-walled profiles of heat-hardened aluminium alloysflash-butt welding of thin-walled profiles of heat-hardened aluminium alloys." Paton Welding Journal 2014, no. 12 (2014): 32–35. http://dx.doi.org/10.15407/tpwj2014.12.07.

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Korsun, Natalia, and Daria Prostakishina. "Bearing capacity of steel thin-walled profiles in reliability assessment." E3S Web of Conferences 97 (2019): 04049. http://dx.doi.org/10.1051/e3sconf/20199704049.

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The increasing use of light steel thin-walled structures is determined by the efficiency of the production of cold-formed profiles. However, there are problems of calculating the reliability of thin-walled structures. In particular, it is necessary to specify the calculation of the generalized bearing capacity of an element from a thin-walled profile. Such an element is significantly affected by the initial geometric imperfections reducing its bearing capacity. At the same time the element is influenced by an uneven distribution of the mechanical characteristics of the steel over the section o

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Ma, Jingmin, and Yongsheng Ren. "Free vibration and chatter stability of a rotating thin-walled composite bar." Advances in Mechanical Engineering 10, no. 9 (2018): 168781401879826. http://dx.doi.org/10.1177/1687814018798265.

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The free vibration and chatter stability of a rotating thin-walled composite bar under the action of regenerative milling force were investigated in this article. The free vibration equations of the rotating thin-walled composite bar were presented and solved by the Galerkin method according to the derived Lagrange equation for the rotating thin-walled composite bar, and the influences of the taper ratio, ply angle, and mode number on the first natural frequency were analyzed. In order to study the chatter stability of the rotating thin-walled composite bar, the time-delay motion equation of t

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Macedo, Tahysa M., Claudia F. Barros, Haroldo C. Lima, and Cecília G. Costa. "Wood Anatomy Of Seven Species Of Tachigali (Caesalpinioideae–Leguminosae)." IAWA Journal 35, no. 1 (2014): 19–30. http://dx.doi.org/10.1163/22941932-00000044.

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This article describes the wood anatomy of seven species of Tachigali Aublet with the aim of identifying 1) diagnostic characters at the species level and 2) anatomical features with potential for future combined morphological and molecular phylogenetic analysis. Tachigali species present fibre dimorphism and can be grouped according to the arrangement of the thin-walled fibres: tangential bands of thin-walled fibres alternating with thick-walled fibres, as in T. duckei and T. vulgaris; wavy bands , as in T. paratyensis, T. glauca and T. vulgaris; well-developed bands to describe the abundance

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Luo, Ming, Ding Hua Zhang, Bao Hai Wu, and Ming Tang. "Modeling and Analysis Effects of Material Removal on Machining Dynamics in Milling of Thin-Walled Workpiece." Advanced Materials Research 223 (April 2011): 671–78. http://dx.doi.org/10.4028/www.scientific.net/amr.223.671.

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In aerospace industry, thin-walled workpieces are widely used in order to reduce the weight and to fulfill the high demands of their later applications. These workpieces are usually highly sophisticated and difficult to machine according to their geometry and material choice. In this paper, influence of material removal within the thin-walled workpiece machining operation on the dynamic properties of the workpiece and the machining process system is discussed. Aiming at learning about dynamic properties evolution during the machining operation, different milling processes of thin-walled plate

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Samsolbahar, Amirulamri, Masniezam Ahmad, Fauziah Mat, et al. "Parametric Study of Bio-Inspired Thin-Walled Tubes Impacted under Axial and Oblique Loadings." Journal of Physics: Conference Series 2051, no. 1 (2021): 012061. http://dx.doi.org/10.1088/1742-6596/2051/1/012061.

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Abstract Thin-walled structure is widely used as energy absorber in automotive industries due to its superior crashworthiness characteristics. In these recent years, many studies had been performed to design the new shapes of thin-walled tube that are inspired by a biological component, especially from animals and plants. This research aims to conduct a parametric study of bio-inspired thin-walled tubes to enhance the energy absorption characteristics. Two designs of bio-inspired thin-walled tubes had been proposed in this study. The tubes were impacted under axial and oblique loadings by usin

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Zhou, Hui, Ping Xu, and Suchao Xie. "Composite energy-absorbing structures combining thin-walled metal and honeycomb structures." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 231, no. 4 (2016): 394–405. http://dx.doi.org/10.1177/0954409716631579.

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The energy-absorbing structure of a crashworthy railway vehicle was designed by combining the characteristics of thin-walled metal structures and aluminum honeycomb structures: finite element models of collisions involving energy-absorbing structures were built in ANSYS/LS-DYNA. In these models, the thin-walled metal structure was modeled as a plastic kinematic hardening material, and the honeycomb structure was modeled as an equivalent solid model with orthotropic–anisotropic mechanical properties. The analysis showed that the safe velocity standard for rail vehicle collisions was improved fr

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Li, Ji Guang, Jie Gang Zhang, Jing Ping Liu, et al. "Application of Viscous Pressure Forming in Aeronautics and Astronautics." Advanced Materials Research 989-994 (July 2014): 3306–9. http://dx.doi.org/10.4028/www.scientific.net/amr.989-994.3306.

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Viscous pressure forming (VPF) is a new developed sheet soft-punch forming process in 1900s. The basic principle and characteristics of VPF are described. The applications of VPF technologies of nickel-based super-alloy corrugated thin-walled part, asymmetrical thin-wall part with variable diameter, super-alloy thin-walled part with variable diameters, corrugated thin-walled part with larger diameter and small section are presented. The results show that VPF is suitable for the forming of parts with high strength, low plasticity, super thin-wall and complex shaped.

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Liu, Gongyu, Jiaqiang Dang, Chao Li, and Ming Chen. "Parametric study on the tool inclination angle for side milling thin-walled workpiece edges based on finite element simulation." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 234, no. 3 (2019): 439–52. http://dx.doi.org/10.1177/0954405419876159.

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Side milling thin-walled workpiece edges is an indispensible procedure in the continuous process chains for the high-efficiency machining of thin-walled functional parts, for example, the small- and medium-sized compressor blades. In these operation cases, the workpiece vibration is easy to occur due to the poor stiffness of the thin-walled structures, causing defects to the machined surface finish and even the dimensional accuracy of the thin-walled workpiece edges. To this problem, this study proposes the tool inclination method based on the adaption of the cutting force component in the low

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Sun, Qi, Jianzhong Zhou, and Pengfei Li. "Simulations and Experiments on the Micro-Milling Process of a Thin-Walled Structure of Al6061-T6." Materials 15, no. 10 (2022): 3568. http://dx.doi.org/10.3390/ma15103568.

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Aluminum alloy (Al6061-T6) is an alloy with strong corrosion resistance, excellent disassembly, and moderate strength, which is widely used in the fields of construction, automobile, shipping, and aerospace manufacturing. Researching on the influence of machining precision and surface quality on the micro-milling process of thin-walled structures of Al6061 is highly significant. Combined with the two simulations (DEFORM-3D simulation and interactive finite element numerical simulation (FEM)) and milling experimental verification, the deformations, errors, and surface quality of milling thin-wa

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Sysoev, E. O., A. Yu Dobryshkin, E. O. Volik, and O. E. Pushkareva. "Influence of the Multilayer Nature of Reinforcement of Open Thin-Walled Cylindrical Carbon Shells on Their Natural Vibrations." IOP Conference Series: Earth and Environmental Science 988, no. 5 (2022): 052067. http://dx.doi.org/10.1088/1755-1315/988/5/052067.

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Abstract In the near future, mega-long-span structures will be required for creating stable microclimate over large areas, regardless of the natural conditions, for comfortable living of people. Thin-walled shell structures made of carbon materials with high strength properties are best suited for this purpose. The problem with thin-walled shells resides in vibrations caused by the action of external forces, which can lead to structural failure. The paper presents and experimental study of influence of the multilayer nature of reinforcement of open thin-walled cylindrical carbon shells on thei

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