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Zeitschriftenartikel zum Thema „Joints“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 25. Juli 2025

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1

Zare, Samira, Alex Spaeth, Sandya Suresh, and Mircea Teodorescu. "Three-Dimensionally Printed Self-Lock Origami: Design, Fabrication, and Simulation to Improve Performance of Rotational Joint." Micromachines 14, no. 8 (2023): 1649. http://dx.doi.org/10.3390/mi14081649.

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Origami structures have made significant contributions to the field of robotics, offering various advantages. One such advantage is their ability to conserve space by transforming the structure into a compact form. Additionally, many origami structures can be fabricated in a flat state to simplify manufacturing, giving them the potential for large-scale and cost-effective production. Rotational joints play a crucial role in the construction of robotic systems, yet origami rotational joints can suffer from a limited range of motion. We previously theoretically proposed the Self-Lock Joint to ad

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Lyu, Naesung, and Kazuhiro Saitou. "Decomposition-Based Assembly Synthesis of Space Frame Structures Using Joint Library." Journal of Mechanical Design 128, no. 1 (2004): 57–65. http://dx.doi.org/10.1115/1.1909203.

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This paper presents a method for identifying the optimal designs of components and joints in the space frame body structures of passenger vehicles considering structural characteristics, manufacturability, and assembleability. Dissimilar to our previous work based on graph decomposition, the problem is posed as a simultaneous determination of the locations and types of joints in a structure and the cross sections of the joined structural frames, selected from a predefined joint library. The joint library is a set of joint designs containing the geometry of the feasible joints at each potential

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3

kinaine, Alaa Faisal, and Haider M. Al-Jelawy. "Using Short Ultra-High Performance Concrete Link Slab as an Alternative to Steel Dowel Bars in Rigid Pavements." IOP Conference Series: Earth and Environmental Science 1232, no. 1 (2023): 012053. http://dx.doi.org/10.1088/1755-1315/1232/1/012053.

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Abstract To prevent problems from occurring at the joint region in bridge construction, link slab was introduced to hide the apparent expansion joint and retain its function. This research describes experimental tests that investigate the use of an ultra-high performance concrete (UHPC), for its high sustainability properties, as a short link slab instead of apparent expansion joints and their respective steel dowels in joint plain concrete pavement (JPCP) while maintaining the expansion joint’s proper function. Similar to dowelled joints, the proposed joint distributes load between adjoining

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4

Vavrusova, Kristyna, Antonin Lokaj, David Mikolasek, and Oldrich Sucharda. "Analysis of Longitudinal Timber Beam Joints Loaded with Simple Bending." Sustainability 12, no. 21 (2020): 9288. http://dx.doi.org/10.3390/su12219288.

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The joints in timber structures are often the decisive factor in determining the load-bearing capacity, rigidity, sustainability, and durability of timber structures. Compared with the fasteners used for steel and concrete structures, fasteners for timber structures generally have a lower load-bearing capacity and rigidity, with the exception of glued joints. Glued joints in timber structures constitute a diverse group of rigid joints which are distinguished by sudden failure when the joint’s load-bearing capacity is reached. In this contribution, the load-bearing capacity of a longitudinal jo

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5

Kurtenoks, Viktors, Aleksis Kurajevs, Karina Buka-Vaivade, et al. "The Quality Assessment of Timber Structural Joints Using the Coaxial Correlation Method." Buildings 13, no. 8 (2023): 1929. http://dx.doi.org/10.3390/buildings13081929.

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With the growing popularity of timber structures, the requirement for reliable and non-destructive methods to assess the quality and condition of structural joints becomes increasingly essential. A novel coaxial correlations method is investigated to assess the degradation of panel-to-panel moment joints in timber structures. The method involves analysing the response data obtained from accelerometers placed on both sides of the joint and comparing the readings to evaluate the joint’s condition. A specific joint solution to simulate the degradation of the moment joint in laboratory conditions

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Mucha, Jacek, and Waldemar Witkowski. "The Structure of the Strength of Riveted Joints Determined in the Lap Joint Tensile Shear Test." Acta Mechanica et Automatica 9, no. 1 (2015): 44–49. http://dx.doi.org/10.1515/ama-2015-0009.

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Abstract The article presents the analysis of the structure of the load capacity of riveted joints. For the four joining systems the lap joint specimens were made and tested in the shearing test. The joints were prepared for the three combinations of the DC01 steel and EN AW- 5754 aluminium alloy sheets with the thickness of 2mm. On the basis of the obtained load-elongation diagram tensile shear test curves, the basic parameters defined in the ISO/DIS 12996 standard were determined. In the case of the conventional riveted joints the maximum load capacity of the joint is determined by the stren

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7

Hua, Qiang, Weigang Zhou, Shiqiang Zhu, et al. "Design of a High-torque Robot Joint and Its Control System." Journal of Physics: Conference Series 2281, no. 1 (2022): 012007. http://dx.doi.org/10.1088/1742-6596/2281/1/012007.

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Abstract The robot joint is one of the key components of robots. With the wide application of robot joints, the demand for joint torque is becoming higher and higher. However, at present, most high-torque robot joints are generally large in weight and size, which creates problems for some applications. For this purpose, a high-torque and high-torque-density robot joint is proposed. To improve the joints’ torque density, the lightweight motor and reducer with a large reduction ratio are selected, and the mechanical structure design is based on weight reduction, miniaturization, and heat dissipa

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Akram, Shazad, Johan Sidén, and Kent Bertilsson. "Battery Powered Inductive Welding System for Electrofusion Joints in Optical Fiber Microducts." Electronics 10, no. 6 (2021): 743. http://dx.doi.org/10.3390/electronics10060743.

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Optical fiber microducts are joined together by mechanical joints. These mechanical joints are bulky, require more space per joint, and are prone to air pressure leakage and water seepage during service. A battery powered electrofusion welding system with a resistive-type joint has been recently developed to replace mechanical joints. These resistive-type electrofusion joints require physical connectors for power input. Due to a different installation environment, the power input connectors of resistive optical fiber microduct joints may corrode over time. This corrosion of connectors will eve

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9

Yousefi, Armin, Ahmad Serjouei, Reza Hedayati, and Mahdi Bodaghi. "Fatigue Modeling and Numerical Analysis of Re-Filling Probe Hole of Friction Stir Spot Welded Joints in Aluminum Alloys." Materials 14, no. 9 (2021): 2171. http://dx.doi.org/10.3390/ma14092171.

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In the present study, the fatigue behavior and tensile strength of A6061-T4 aluminum alloy, joined by friction stir spot welding (FSSW), are numerically investigated. The 3D finite element model (FEM) is used to analyze the FSSW joint by means of Abaqus software. The tensile strength is determined for FSSW joints with both a probe hole and a refilled probe hole. In order to calculate the fatigue life of FSSW joints, the hysteresis loop is first determined, and then the plastic strain amplitude is calculated. Finally, by using the Coffin-Manson equation, fatigue life is predicted. The results w

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10

Harl, Boštjan. "Probabilistic behaviour of joints on joint forces in mechanisms." Tehnicki vjesnik - Technical Gazette 22, no. 1 (2015): 113–17. http://dx.doi.org/10.17559/tv-20131023220214.

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11

Záborský, Vladimír, Gourav Kamboj, Adam Sikora, and Vlastimil Borůvka. "Effects of selected factors on spruce dowel joint stiffness." BioResources 14, no. 1 (2018): 1127–40. http://dx.doi.org/10.15376/biores.14.1.1127-1140.

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Joints are used to join furniture parts, and they represent a critical part of the structure of furniture. The quality of joints is greatly affected by the accuracy of their execution. When designing furniture, it is important to carefully consider the type of joint used so that it can hold all the joined elements together. Under loading of the joined structures, internal forces develop, which can lead to failure of the joints. This study investigated the elastic stiffness of spruce (Picea abies L.) dowel joints. The effects of selected factors such as the type of loading (compressive versus t

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Gaikwad, Vaibhav, and Satish Chinchanikar. "Investigations on ultrasonic vibration-assisted friction stir welded AA7075 joints: Mechanical properties and fracture analysis." Metal Working and Material Science 26, no. 2 (2024): 6–22. http://dx.doi.org/10.17212/1994-6309-2024-26.2-6-22.

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Introduction. Joint efficiency and strength, particularly in aluminum alloys, are crucial in aerospace, defense, and industrial applications. Post-welding treatments like shot peening and laser shock peening significantly improve joint efficiency and strength, enhancing fatigue life, grain structure, and tensile strength. The purpose of the work. The literature reviewed shows that the ultrasonic vibration-assisted friction stir welding (UVaFSW) and post-weld treatment improved the mechanical properties and material flow. However, limited studies have been observed on the UVaFSW joints of AA707

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Wang, Xiangyang, Xiantang Zhang, Jingshuang Zhang, Hongmin Zhou, Peng Zhang, and Dan Li. "Study on the Influence of the Joint Angle between Blast Holes on Explosion Crack Propagation and Stress Variation." Processes 11, no. 9 (2023): 2805. http://dx.doi.org/10.3390/pr11092805.

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The joints and fissures in a natural rock mass can affect the mechanical properties of the rock mass, the propagation of a blasting stress wave, and the blasting effect of the smooth surface of roadways. In the process of roadway drilling and blasting, there will inevitably be some joints between the two blast holes. Taking the joint angle as the starting point, this paper studies the rule of rock explosion crack propagation and stress variation when there are joints with different angles between two blast holes and analyzes the influence of joints on rock mechanical properties and blasting ef

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Bhanu, Devi K., and Joseph Varghese. "Role of imaging in evaluation and management of juvenile idiopathic arthritis: a prospective cohort study." International Journal of Research in Medical Sciences 6, no. 11 (2018): 3516. http://dx.doi.org/10.18203/2320-6012.ijrms20184214.

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Background: This study was aimed to evaluate the role of imaging in diagnosis and management of juvenile idiopathic arthritis by comparing the evaluation findings of clinical and ultrasound of all 14 joints in arthritis affected patients under 16 years of age.Methods: Prospectively study was done on patients in age group of 0-16years, who referred to radiology department based on clinical assessment. USG is done in both shoulder, elbow, wrist, hip, knee, ankle and subtalar joints of each patient to assess the following parameters Synovial hypertrophy, joint effusion, power doppler signal, teno

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15

Lee, M. M. K., T. Pine, and T. B. Jones. "An experimental and finite element study of the torsional behaviour of T-joints in automotive structures." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 215, no. 2 (2001): 231–40. http://dx.doi.org/10.1243/0954407011525601.

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Single box sections and T-joints (two box sections joined together at right angles) are commonly used to represent automotive components, such as pillars and sills, in laboratory testing. In the work presented herein, the torsional properties of T-joints were determined both experimentally and numerically. A factorial-design test programme comparing adhesive-bonded and spot-welded T-joints was carried out. Numerical models, generated using a general-purpose finite element program and validated against the test results, were used to investigate further the behaviour of the connection between th

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Wang, Haotian, Hongwei Ma, Guangming Zhang, Yuan Chen, and Ming Dong. "Research on Lifespan Prediction Methods Using Ultrasonic Microimaging for Electronic Packaging." Applied Sciences 15, no. 6 (2025): 3246. https://doi.org/10.3390/app15063246.

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Addressing the issue of lifespan prediction for electronic packages under thermal loading, this paper proposes a method for predicting the lifespan of electronic packages based on ultrasonic microimaging. Firstly, experimental samples equipped with flip-chip packages were designed and fabricated and subjected to aging through thermal cycle acceleration tests. Ultrasonic microscopy was utilized to periodically acquire ultrasonic image data for monitoring solder joint degradation. Secondly, the internal ultrasonic wave propagation mechanism within electronic packages was investigated, establishi

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Kang, Hong-Tae, and Sai Boorgu. "Fatigue Life Prediction of Self-Piercing Rivet Joints Between Magnesium and Aluminum Alloys." MATEC Web of Conferences 165 (2018): 10004. http://dx.doi.org/10.1051/matecconf/201816510004.

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Various light materials including aluminum alloys and magnesium alloys are being used to reduce the weight of vehicle structures. Joining of dissimilar materials is always a challenging task to construct a solid structure. Self-piercing rivet (SPR) joint is one of various joining methods for dissimilar materials. Front shock tower structures were constructed with magnesium alloy (AM60) joined to aluminum alloy (Al6082) by SPR joints. To evaluate the durability performance of the SPR joints in the structures, fatigue tests of the front shock tower structures were conducted with constant amplitu

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18

Wang, Hai Jun, Yong Yao, Yun Peng Chu, and Dai Guo Chen. "Numerical Simulation on Beam-Column Joint in the Added-Layers Steel Structure under Monotonic Loading." Applied Mechanics and Materials 170-173 (May 2012): 3460–63. http://dx.doi.org/10.4028/www.scientific.net/amm.170-173.3460.

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Add layers for low-rise steel structure building can improve its using function. Use ANSYS analyze three added-layers beam-column joints of steel structure under the Monotonic loading. The results showed that: the joint reinforced by angles belongs to semi-rigid joint. Considering the construction and Structural requirements, the performance of this type joint is the most economical of all. The three joints all experience fully elastic deformation before them destructed, although the joint with only weld is deformation and failure, and the joint reinforced by haunched slab have larger deformab

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19

Wang, Xiuying, Ziqi Miao, Wenbiao Gong, et al. "Enhanced Toughness and Ductility of Friction Stir Welded SA516 Gr.70 Steel Joint via Post-Welding Annealing." Materials 17, no. 1 (2023): 116. http://dx.doi.org/10.3390/ma17010116.

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The SA516 Gr.70 steel possessing excellent toughness and plasticity has been widely used in the cryogenic field. However, the appearance of coarse bainite in the heat affected zone (HAZ) of the fusion welded joint deteriorates the toughness and ductility. In this work, 4.5 mm thick SA516 Gr.70 steel was joined using shielded metal arc welding (SMAW) and friction stir welding (FSW), respectively, and the microstructure and mechanical properties of joints were investigated in detail. The Charpy energy in the HAZ in the FSW joint was 80 J/cm2, which was higher than that of the HAZ in the SMAW joi

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20

Chu, Yun Peng, and Yong Yao. "Numerical Simulation Analysis on Seismic Behavior of Cold-Formed Beam-to-Column Connections." Advanced Materials Research 163-167 (December 2010): 692–96. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.692.

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The cold-formed square steel tubular with light weight has better seismic behavior and is suitable for construction in the area with high seismic fortification intensity. The reliability of joint connection greatly influence the safety reliability of structure, which’s restoring force characteristics under low cyclic loading need to be further researched. The finite element software ANSYS is used to do the research between two welded joints. The results show that : (1)Compared with typical welded joint, the ultimate bearing capacity of improved joint increase much, hysteretic curve is more plu

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Lin, Jian, Yi Zhong, and Yong Ping Lei. "Investigation on Joining Method Replacement for Vehicle Body’s Assembly." Advanced Materials Research 189-193 (February 2011): 3621–24. http://dx.doi.org/10.4028/www.scientific.net/amr.189-193.3621.

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Various joining methods (i.e., spot welding, arc welding, laser beam welding) have been used for vehicle body assembly. However it is unclear for the equivalent conversion of various joints which has the equivalent joint strength for the vehicle body, such as weld-bonded joint, SPR joint, which have been considered likely to replace RSW in the area of high strength steel’s joining. In order for the flexible design in the auto line of vehicles body’s joining, the equivalent (strength) weld pitch design method for various joints, including the joining of similar and dissimilar materials, is pres

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KUMAR, Shailendra, Shikhar SHUKLA, and Krishna KANT SHUKLA. "Rotational wood welding of Dalbergia sissoo wood: forming longitudinal tongue-and-groove and butt joints." BOIS & FORETS DES TROPIQUES 347 (March 25, 2021): 5–11. http://dx.doi.org/10.19182/bft2021.347.a31865.

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Wood joinery is an essential part of woodworking for product manufacture. Wood sections are mostly joined together with adhesives. Wood welding brings a new dimension to joinery by using mechanical friction to induce a flow of wood components ensuring adhesion. In this study, a customized spin wood-welding machine was used to join wood sections of Dalbergia sissoo. Butt and tongue-and-groove joints were prepared and welded using the machine. The tensile strength of the joints was tested. The impact on joint strength of increasing the friction area by introducing tongue-and-groove joints was te

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Olaru, Ionel. "WELDED JOINTS STUDIES ON THE DEVELOPMENT OF BRAZED ALUMINUM SHEETS." International Journal of Modern Manufacturing Technologies 15, no. 2 (2023): 137–42. http://dx.doi.org/10.54684/ijmmt.2023.15.2.137.

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Currently, the joints of different steel and aluminum materials are widely used for the manufacture of hybrid structures in the automotive field, in various naval constructions and transports mainly due to the need to reduce weight and achieve energy savings. The joining of aluminum sheets by welding or brazing means that two pieces are connected to each other through certain processes to form a whole and the structure thus created is of high performance. The materials chosen to make this type of welding-brazing are the result of laboratory analyses, they must be properly joined to be able to

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Chen, Lian-Meng, Kai-Yu Huang, Yi-Jie Liu, et al. "Analysis and Evaluation of the Progressive Collapse of Cable Dome Structures Induced by Joint Damage." Buildings 13, no. 8 (2023): 2072. http://dx.doi.org/10.3390/buildings13082072.

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The current literature lacks an effective progressive collapse analysis of a cable dome structure induced by joint damage. In this study, a dynamic analysis was performed using actual construction cases, an ANSYS LS-DYNA analysis platform, and a fully dynamic equivalent load instantaneous removal method. First, the structure’s dynamic responses and collapse modes induced by different joints with different types of damage were explored. Subsequently, joint importance coefficients were proposed depending on the structure’s displacement before and after joint removal, and the relationships betwee

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Li, Jia Ke, Xin Liu, and Jian Er Zhou. "Microstructure and Mechanical Performances of C/C Composite and TC4 Alloy Brazed Joints." Key Engineering Materials 512-515 (June 2012): 415–20. http://dx.doi.org/10.4028/www.scientific.net/kem.512-515.415.

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C/C composite and TC4 alloy were successfully brazed using 70Ag28Cu2Ti (wt. %) as filler metal at brazing temperature 820 º°C~920 °C for soaking time 5 min ~30 min. The effects of brazing parameters on the microstructures and phase composition and the fracture modes of the brazed joints were investigated by SEM and XRD. The mechanical performances of the brazed joints were measured by a universal mechanical testing machine. The results show that the maximum shear strength of the brazed joint is 28 MPa at brazing temperature 860°C and soaking time 10min. Fracture surface analysis of the braze

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Wei, Yanni, Hui Li, Peng Xiao, and Juntao Zou. "Microstructure and Conductivity of the Al-Cu Joint Processed by Friction Stir Welding." Advances in Materials Science and Engineering 2020 (July 27, 2020): 1–10. http://dx.doi.org/10.1155/2020/6845468.

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In this paper, 1060 aluminum and T2 pure copper were joined by friction stir welding. The influence of the rotation speed and inclination on the microstructure and mechanical properties of the joint were investigated. The microstructure and composition of the welded interface region were analyzed. The joints’ strength was tested, and the conductivity of the joints was estimated. Joints having good surface formation and defect-free cross section were successfully obtained. The cross-sectional morphologies of the Al-Cu friction stir welding joints can be divided into three zones: the shoulder im

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Su, Yi Sheng, Shu Fang Zheng, Qi Liang Li, and Jin Yun Quan. "Experimental Study on the Static Performance of Joints in the Castellated Portal Frame of Light-Weight Steel." Applied Mechanics and Materials 166-169 (May 2012): 563–68. http://dx.doi.org/10.4028/www.scientific.net/amm.166-169.563.

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In order to study the mechanical behavior of joints in the castellated portal frame of light-weight steel under static loads, a static loads experiment has been performed for these new joints in this paper. The experiment members include four castellated joints and one solid-web joint of original steel, considering three vary parameters which are connection form of joints, joint region with setting stiffener and the distance from the center of hole to joint region. Experiment shows: the stiffness of castellated joints is higher than the one of solid-web joint. The parameters have a great influ

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Janeczek, Anna, Jacek Tomków, and Dariusz Fydrych. "The Influence of Tool Shape and Process Parameters on the Mechanical Properties of AW-3004 Aluminium Alloy Friction Stir Welded Joints." Materials 14, no. 12 (2021): 3244. http://dx.doi.org/10.3390/ma14123244.

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The purpose of the following study was to compare the effect of the shape of a tool on the joint and to obtain the values of Friction Stir Welding (FSW) parameters that provide the best possible joint quality. The material used was an aluminium alloy, EN AW-3004 (AlMn1Mg1). To the authors’ best knowledge, no investigations of this alloy during FSW have been presented earlier. Five butt joints were made with a self-developed, cylindrical, and tapered threaded tool with a rotational speed of 475 rpm. In order to compare the welding parameters, two more joints with a rotational speed of 475 rpm a

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Rudawska, Anna, Piotr Penkała, Paweł Chochowski, Andrzej Tkaczyk, and Tetiana Vitenko. "Analysis of the strength of assembly joints - welded joints of various construction materials." Technologia i Automatyzacja Montażu 121, no. 3 (2023): 21–26. http://dx.doi.org/10.7862/tiam.2023.3.3.

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The aim of the article was to present issues related to the strength analysis of one of the types of assembly joints - welded joints, taking into account the influence of selected factors: technological - welding method, construction - type of joints and material - type of joined material. The MIG/MAG method (135/136), arc welding (111) and gas welding (311) were used as welding methods. Butt joints and lap joints were made of CuZn37 copper alloy (PN-EN 1652), S235JR unalloyed structural steel (EN 10025) and 1.4301 acid-resistant steel (EN 10088). Welded joints samples were made with appropria

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Michael, Welch. "Bolted Joint Preload Distribution from Torque Tightening." Strojnícky časopis - Journal of Mechanical Engineering 71, no. 2 (2021): 329–42. http://dx.doi.org/10.2478/scjme-2021-0039.

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Abstract The purpose of this paper is to develop an understanding of how bolt preloads are distributed within a joint as each bolt is tightened in turn by the use of a calibrated torque wrench. It discusses how the order that the joints nuts/bolts are tightened can affect the final bolt preload. It also investigates the effect on incrementally increasing the bolt preload through a series of applications of the controlled torque tightening sequence. Classical analysis methods are used to develop a method of analysis that can be applied to most preloaded bolted joints. It is assumed that the sta

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Xiong, Zhihua, Yongjian Liu, Bin Liu, and Lei Jiang. "Tension Strength Prediction of Transverse Branch Plate-to-Rectangular Joint with Concrete Filling." Frattura ed Integrità Strutturale 14, no. 54 (2020): 136–52. http://dx.doi.org/10.3221/igf-esis.54.10.

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This paper predicts the tension strength of Concrete-filled Branch Plate-to-Rectangular Hollow (CBPRH) joint by conducting experimental and theoretical analysis. A total of 46 X-joints with different geometric parameters were investigated, in which 4 specimens were tested under ultimate tension and 42 specimens were numerically analyzed. The joint’s strength, failure mode and load-displacement curve were obtained. Perfobond Leister Rib (PBR) was welded in part of the specimens to investigate its effect on joint’s tensile performance. It is shown that the ultimate strength of transverse CBPRH j

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Huan, Junhong, Tianyang Chu, Xiaodong Guo, et al. "Experimental study on seismic performance of Chinese traditional mortise and tenon joints with different lengths that tenons pull out of mortise." BioResources 19, no. 1 (2023): 478–99. http://dx.doi.org/10.15376/biores.19.1.478-499.

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This paper presents the results of a study on seismic performance of mortise-tenon joints with different lengths that tenons pull out of joints. Three 1:3.52 scaled mortise-tenon joint specimens were fabricated: one with through-tenon joints, one with half-tenon joints, and one with dovetail joints. Seismic data of the joints, such as hysteretic curves, skeleton curves, stiffness degradation rules, and energy dissipation capacity curves, were obtained by low-cycle reversed loading test. The influence of lengths that tenons pull out of joints on the mortise-tenon joints was analyzed. The seismi

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Godzimirski, Jan, Marek Rośkowicz, Michał Jasztal, and Iga Barca. "Static and Fatigue Strength and Failure Mechanisms of Riveted Lap Joints of CFRP Composites." Materials 16, no. 5 (2023): 1768. http://dx.doi.org/10.3390/ma16051768.

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The background of this work is the search for the most effective ways of joining composites, inter alia in aeronautical applications. The purpose of this study was to analyze the impact of mechanical fastener types on the static strength of lap joints of composite elements and the impact of fasteners on the mechanism of failure of such joints under fatigue load. The second objective was to check to what extent the hybridization of such joints, consisting of supplementing them with an adhesive joint, affects their strength and the mechanism of failure of such joints loaded with fatigue. Damage

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Piotr, Lacki, and Niemiro-Maźniak Judyta. "Numerical and Experimental Analysis of Lap Joints Made of Grade 2 Titanium and Grade 5 Titanium Alloy by Resistance Spot Welding." Materials 16, no. 5 (2023): 2038. http://dx.doi.org/10.3390/ma16052038.

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The paper presents the evaluation of the load capacity of lap joints and the distribution of plastic deformations. The influence of the number and arrangement of welds on the load capacity of the joints and the method of their failure was investigated. The joints were made using resistance spot welding technology (RSW). Two combinations of joined titanium sheets were analyzed: Grade 2–Grade 5 and Grade 5–Grade 5. Non-destructive and destructive tests were carried out in order to verify the correctness of the welds within the given parameters. All types of joints were subjected to a uniaxial te

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Vaziri, A., H. Nayeb-Hashemi, and H. R. Hamidzadeh. "Experimental and Analytical Investigations of the Dynamic Response of Adhesively Bonded Single Lap Joints." Journal of Vibration and Acoustics 126, no. 1 (2004): 84–91. http://dx.doi.org/10.1115/1.1596550.

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Dynamic response of single lap joints, subjected to a harmonic peeling load is studied theoretically and experimentally. In the theoretical part, dynamic response of a single lap joint clamped at one end and subjected to a harmonic peeling load at the other end is investigated. Adherents are modeled as Euler-Bernouli beams joined in the lap area by a viscoelastic adhesive layer. Both axial and transverse deformations of adherents are considered in deriving the equations of motion. The effects of adhesive layer thickness, mechanical properties and its loss factor on the dynamic response of the

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Sadowski, T., T. Balawender, R. Sliwa, P. Golewski, and M. Knec. "Modern Hybrid Joints in Aerospace: Modelling and Testing / Nowoczesne Połaczenia Hybrydowe W Lotnictwie: Modelowanie I Badania Eskperymentalne." Archives of Metallurgy and Materials 58, no. 1 (2013): 163–69. http://dx.doi.org/10.2478/v10172-012-0168-3.

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The aim of the paper is to review different types of modern hybrid joints applied in aerospace. We focused on three particular cases: 1) spot welding - adhesive, 2) rivet-bonded and 3) clinch-bonded joints. The numerical models presented in the paper for these joints describe their complex behaviour under mechanical loading. The numerical calculations performed using ABAQUS code were compared to experimental results obtained by application of the Digital Image Correlation system (DIC) ARAMIS. The results investigated within the paper lead to the following major conclusions: - the strengthening

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Bailleul, Alida M., and Casey M. Holliday. "Joint histology in Alligator mississippiensis challenges the identification of synovial joints in fossil archosaurs and inferences of cranial kinesis." Proceedings of the Royal Society B: Biological Sciences 284, no. 1851 (2017): 20170038. http://dx.doi.org/10.1098/rspb.2017.0038.

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Archosaurs, like all vertebrates, have different types of joints that allow or restrict cranial kinesis, such as synovial joints and fibrous joints. In general, synovial joints are more kinetic than fibrous joints, because the former possess a fluid-filled cavity and articular cartilage that facilitate movement. Even though there is a considerable lack of data on the microstructure and the structure–function relationships in the joints of extant archosaurs, many functional inferences of cranial kinesis in fossil archosaurs have hinged on the assumption that elongated condylar joints are (i) sy

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Sieczkowski, Kamil, and Agnieszka Szczotok. "Effect of Preheating before Welding on the Microstructure and the Properties of SA213 T12 and SA387Gr11CL2 Steels Joints on the Example of a Sheet Piling." Solid State Phenomena 246 (February 2016): 201–6. http://dx.doi.org/10.4028/www.scientific.net/ssp.246.201.

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The paper presents the results of the investigations of welded joints of the tube-flat bar type made of SA213 T12 and SA387Gr11CL2 steels. The joints were produced in two variants: 1) with heating up to 200°C, 2) without heating. The materials were joined by the submerged arc welding method. The temperatures of preheating before welding were determined, and it was verified whether the empiric relations (1) and (2), used to determine the minimal temperature of heating before welding for steel, can be applied under production conditions. The produced welded joints were evaluated quality-wise. Ha

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Mihalache, Andrei Marius, Vasile Merticaru, Vasile Ermolai, et al. "Friction in Cylindrical Joints." Lubricants 13, no. 2 (2025): 66. https://doi.org/10.3390/lubricants13020066.

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Cylindrical clearance joints are commonly employed in mechanisms that involve the rotation of a shaft spindle within a cylindrical sliding bearing. The intensity of the friction process in such joints is governed by several factors, including the clearance size between components, the materials of the interacting surfaces, the properties and characteristics of the lubricant, the surface roughness (asperities), and the magnitude of the relative velocity between the joint’s components. To experimentally determine the friction coefficient in cylindrical clearance joints, a custom device was desig

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Witek, Lucjan. "INFLUENCE OF PLASTIC DEFORMATION OF ADHEREND MATERIAL ON STRESS DISTRIBUTION IN ADHESIVE LAP JOINTS." Acta Metallurgica Slovaca 23, no. 4 (2017): 304. http://dx.doi.org/10.12776/ams.v23i4.1010.

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<p class="AMSmaintext">In the engineering analysis of adhesive lap joints the linear-elastic model of adherend material is often used. In some cases, when the joined material has a low yield stress, this assumption causes errors in stress estimation in the adhesive layer or adherend. In this study the results of numerical stress and strain analysis of single lap adhesive joints were presented. In performed analysis both the linear-elastic and the elastic-plastic models of adherend materials were considered. In the first part of the work the mechanical properties of joined material were o

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Khedr, Mahmoud, I. Reda Ibrahim, Matias Jaskari, et al. "Microstructural Evolution and Mechanical Performance of Two Joints of Medium-Mn Stainless Steel with Low- and High-Alloyed Steels." Materials 16, no. 4 (2023): 1624. http://dx.doi.org/10.3390/ma16041624.

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In this work, 2 mm thick medium-Mn austenitic stainless steel (MMn–SS) plates were joined with austenitic NiCr stainless steel (NiCr–SS) and low-carbon steel (LCS) using the gas tungsten arc welding technique. A precise adjustment of the welding process parameters was conducted to achieve high-quality dissimilar joints of MMn–SS with NiCr–SS and LCS. The microstructural evolution was studied using laser scanning confocal and electron microscopes. Secondary electron imaging and electron backscatter diffraction (EBSD) techniques were intensively employed to analyze the fine features of the weld

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Kaščák, Ľuboš, Emil Spišák, and Jacek Mucha. "CLINCHRIVET AS AN ALTERNATIVE METHOD TO RESISTANCE SPOT WELDING." Acta Mechanica et Automatica 7, no. 2 (2013): 79–82. http://dx.doi.org/10.2478/ama-2013-0014.

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Abstract Various materials are used in car body production which are not always possible to join by conventional joining methods such as resistance spot welding. Therefore ClinchRivet method seem to be possible alternative. The paper deals with evaluation of properties of the joints made by mechanical joining method - ClinchRivet. The joint is made with the using of a special rivet, which is pushed into the joined materials by the flat punch. Following materials were used for joining of this method: DX51D+Z and H220PD steel sheets. The tensile test for observing the carrying capacities and met

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Hardi, Witono, Agus Sigit Pramono, and Yohanes. "Performance of Tri-Adhesive Joints to Improve the Shear Stress Distribution of Lap Joints." Key Engineering Materials 941 (March 17, 2023): 295–300. http://dx.doi.org/10.4028/p-7u96du.

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The adhesive lap joints are extensively used in various engineering fields. Various methods were proposed to increase the strength of the lap joint. This paper presents the lap joint's characterization by applying three grades of adhesives in different material properties along the bond line. The stiffest adhesive is employed in the middle bond line, then gradually, those with a lower modulus of elasticity are placed at the ends of the lap joint. This technique reduces the stress concentration at the joining ends, so the stress distribution becomes smoother. Finite element analysis is used to

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Qianzhong, Jia, Li Man, Qu Fuzheng, and Zhang Hongtao. "Influence of Holding Time on Properties of Cemented Carbide-polycrystalline Diamond Compact Joints." Open Materials Science Journal 9, no. 1 (2015): 33–38. http://dx.doi.org/10.2174/1874088x01509010033.

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The influence of brazing holding time on properties of cemented carbide-polycrystalline diamond (PCD) compact joints were investigated in this study. The microstructure and phase composition of joints were investigated by scanning electron microscopy, electron probe microanalyzer, and X-ray diffraction. Microstructural investigations revealed the presence of Ag-based solid solution, Cu-based solid solution, Cu0.64Zn0.36, and a small amount of MnNi phase at the joint interface. The max shear strength of brazed joints 350.6 MPa was determined in the samples joined at 15 s, which was partially du

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Burke, Kathleen, and Shafik Bhalloo. "A Joint for the Joints." Journal of Business Ethics Education 14 (2017): 327–30. http://dx.doi.org/10.5840/jbee20171418.

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Bukhsh, Ayman, Rawan Al Zahrani, Shaima Alqahtani, et al. "Etiology and Clinical Management of Temporomandibular Disorders." Journal of Healthcare Sciences 02, no. 11 (2022): 422–28. http://dx.doi.org/10.52533/johs.2022.21114.

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Temporomandibular joints (TMJ) disorders are a group of morphological and functionally abnormal degenerative musculoskeletal problems. Limited or divergent movement, painful joint sounds, articular, muscular, or neural pain involving the joint are the hallmarks of the joint’s pathology. Temporomandibular disorders (TMD) have a broad spectrum. Various biological, environmental, social, and psychosomatic stimuli comprise the complex etiology of TMD. Mechanically induced remodeling, while progressive and regressive, is a physiological development initially. Osteoarthritis arises when the joint's

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Vacek, John R., Troy S. Ford, and Clifford M. Honnas. "Communication between the femoropatellar and medial and lateral femorotibial joints in horses." American Journal of Veterinary Research 53, no. 8 (1992): 1431–34. http://dx.doi.org/10.2460/ajvr.1992.53.08.1431.

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Summary Communications between the femoropatellar, medial femorotibial, and lateral femorotibial joints were studied, using fresh equine cadaver specimens. A total of 90 specimens from 45 horses were used. Horses were randomly assigned to 3 groups with 15 horses/group. Each group was assigned an injection site (femoropatellar joint, medial femorotibial joint, or lateral femorotibial joint), and red latex was injected into the respective location of each joint in each group. Immediately after injection, the joints were flexed and extended 100 times. The stifles were frozen in slight flexion, th

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Lin, Yongle, Xinwu Wang, Jian Gong, Shuren Wang, Haisu Sun, and Huanhuan Liu. "Seismic Performance of an Exterior Joint between a Square Steel Tube Column and an H-Shape Steel Beam." Sustainability 15, no. 4 (2023): 3856. http://dx.doi.org/10.3390/su15043856.

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This study developed a 1:2 scale model using T-shape steel with one-side bolts to connect a square steel tube column to an H-shape steel beam for a quasi-static test to investigate the mechanical properties and seismic behavior of semi-rigid joints. Within the study context, the joint’s failure characteristics, hysteresis characteristics, and strain tendency under cyclic load were determined. In addition, this research analyzed the force characteristics and seismic performance of such joints based on the test outcomes. In order to further study the seismic performance of such joints, ABAQUS fi

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Lundkvist, Axel, Imad Barsoum, Zuheir Barsoum, and Mansoor Khurshid. "Geometric and Material Modelling Aspects for Strength Prediction of Riveted Joints." Metals 13, no. 3 (2023): 500. http://dx.doi.org/10.3390/met13030500.

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The aim of this study is to develop a methodology for static strength and failure mode simulation of hot-driven riveted joints. The purpose is to be able to accurately estimate a rivet joint’s static strength behaviour and its failure mode without relying on experiments, to save both time and resources during the design of joints. The non-linear finite element analysis modelling framework considered the rivet joint configurations and geometry, the material properties of the plate and rivet as well as the clamping force of the hot-driven rivet. A ductile damage model was also implemented to cap

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Bechtel, Stephan, Rouven Schweitzer, Maximilian Frey, Ralf Busch, and Hans-Georg Herrmann. "Material Extrusion of Structural Polymer–Aluminum Joints—Examining Shear Strength, Wetting, Polymer Melt Rheology and Aging." Materials 15, no. 9 (2022): 3120. http://dx.doi.org/10.3390/ma15093120.

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Generating polymer–metal structures by means of additive manufacturing offers huge potential for customized, sustainable and lightweight solutions. However, challenges exist, primarily with regard to reliability and reproducibility of the additively generated joints. In this study, the polymers ABS, PETG and PLA, which are common in material extrusion, were joined to grit-blasted aluminum substrates. Temperature dependence of polymer melt rheology, wetting and tensile single-lap-shear strength were examined in order to obtain appropriate thermal processing conditions. Joints with high adhesive

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