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Journal articles on the topic 'Tensile Shear Fracture Strength'

Author: Grafiati

Published: 7 June 2025

Last updated: 2 August 2025

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1

Miyajima, Yoji, Kotaro Iguchi, Susumu Onaka, and Masaharu Kato. "Effects of Rolling Reduction and Strength of Composed Layers on Bond Strength of Pure Copper and Aluminium Alloy Clad Sheets Fabricated by Cold Roll Bonding." Advances in Materials Science and Engineering 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/614821.

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Three types of clad sheets, Cu/Al, Cu/AA5052, and Cu/AA5083, were produced by cold roll bonding with the rolling reduction of 50% and 75%. Tensile shear tests which give tensile shear strength were performed in order to assess the bond strength. Scanning electron microscopy was performed on the fractured interface produced by the tensile shear tests, which suggests that the fracture occurs within the Al alloy layer. The tensile shear strengths considering the area fraction of deposit of Al alloy on Cu side were compared with the shear stress converting from the ultimate tensile strengths. As a

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2

Zhang, Yajun, Longteng Liang, Jian Zhu, and Ruilin Zhang. "Plasticity and Fracture Behavior of High-Strength Bolts Considering Steel Shear Behavior." Buildings 15, no. 14 (2025): 2430. https://doi.org/10.3390/buildings15142430.

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The accurate description of plasticity and fracture behavior is essential in numerically investigating the mechanical responses of high-strength bolts under tension, shear and coupling loads. However, based on the von Mises criterion, inputting the constitutive relation and damage model from the tensile coupon test into the finite element method cannot properly predict the shear behavior of high-strength bolts. Cylindrical tensile coupons and shear specimens of common and weathering high-strength bolts are tested to obtain the complete tensile and shear responses. The combined S-V model and th

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3

Sabarivasan, V., P. Sivaraj, S. Malarvizhi, V. Balasubramanian, and S. Sathiya. "Analysis of Mechanical Properties on Resistance Spot Welded Dissimilar Thick Dissimilar Joints: Effect of Welding Current." Indian Journal Of Science And Technology 18, no. 3 (2025): 177–83. https://doi.org/10.17485/ijst/v18i3.3511.

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Objectives: To study the influence of welding current on shear fracture strength properties of the resistance spot welded (RSW) dissimilar joints. Methods: The study employed the RSW of DP 800 steel and AISI 1040 steel in the context of car chassis applications. In RSW, weld current is considered a variable parameter, while others are constant. The tensile shear fracture test and microhardness analysis performed correlated with base metals. The shear fractured region of the tensile samples was analyzed utilizing scanning electron microscopy (SEM). Findings: The maximum lap-tensile shear fractu

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4

Li, Xiangyu, Fugang Li, Minzu Liang, Kefan Zhang, and Zhandong Tian. "Research on Dynamic Constitutive Model and Fracture Characteristics of Two High Strength Steels." Journal of Physics: Conference Series 2168, no. 1 (2022): 012016. http://dx.doi.org/10.1088/1742-6596/2168/1/012016.

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Abstract 58SiMn and 50SiMnVB are commonly used shell materials in bombs, and their dynamic constitutive model and fracture properties directly determine the mass distribution of the bomb. Tensile tests were carried out on two high-strength steels, and the parameters of the yield point, tensile strength and plastic failure strain as well as the John-Cook model were determined. The fracture morphologies of the two steels in the quasi-static tension and in the dynamic tension were analyzed. The research results show that the yield strength of 58SiMn steel remains unchanged with increasing strain

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5

V, Sabarivasan, Sivaraj P, Malarvizhi S, Balasubramanian V, and Sathiya S. "Analysis of Mechanical Properties on Resistance Spot Welded Dissimilar Thick Dissimilar Joints: Effect of Welding Current." Indian Journal of Science and Technology 18, no. 3 (2025): 177–83. https://doi.org/10.17485/IJST/v18i3.3511.

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<strong>Objectives:</strong> To study the influence of welding current on shear fracture strength properties of the resistance spot welded (RSW) dissimilar joints. <strong>Methods:</strong> The study employed the RSW of DP 800 steel and AISI 1040 steel in the context of car chassis applications. In RSW, weld current is considered a variable parameter, while others are constant. The tensile shear fracture test and microhardness analysis performed correlated with base metals. The shear fractured region of the tensile samples was analyzed utilizing scanning electron microscopy (SEM

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6

Marzouk, H., M. Emam, and M. S. Hilal. "Sensitivity of shear strength to fracture energy of high-strength concrete slabs." Canadian Journal of Civil Engineering 25, no. 1 (1998): 40–50. http://dx.doi.org/10.1139/l97-053.

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The test results of an earlier experimental investigation conducted at Memorial University of Newfoundland on high-strength concrete slabs indicated that as the concrete slab strength increased from 35 to 75 MPa the shear strength increased by 7-20%, depending on the case of loading, i.e., concentric or eccentric loads. The increasing ratio of shear strength is less than half that prescribed in the Canadian code CSA-A23.3 (1994) or the ACI-318 code (1995). Hence, the significant difference between the experimental results and the predicted strength by existing North American codes tacitly mean

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7

Liu, Qiong, Qiming Wang, Chang Sun, Jiawang Li, and Amardeep Singh. "Interlayer Shear Strength and Bonding Strength of Sinuous 3D-Printed Mortar." Coatings 15, no. 1 (2025): 58. https://doi.org/10.3390/coatings15010058.

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Addressing the challenge of weak interface strength in 3D-printed mortars, this study introduces a novel technique using sinuous printing trajectories. The self-locking interface is formed by different meandering print trajectories, and the changes in the strength of the test interface are investigated by adjusting the trajectories to form different amplitudes. This ensures alignment of peaks and troughs between layers, aiming for enhanced interfacial cohesion. Experimental tests measured mechanical properties of printed mortar specimens with varying amplitudes. Using Digital Image Correlation

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8

Kumar, Anil, Santosh Kumar, Nilay Krishna Mukhopadhyay, Anshul Yadav, and Jerzy Winczek. "Effect of SiC Reinforcement and Its Variation on the Mechanical Characteristics of AZ91 Composites." Materials 13, no. 21 (2020): 4913. http://dx.doi.org/10.3390/ma13214913.

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In this study, the processing of SiC particulate-strengthened magnesium alloy metal matrix composites via vacuum supported inert atmosphere stir casting process is presented. The effects of small variations in the SiC particulate (average size 20 µm) reinforcement in magnesium alloy AZ91 were examined. It was found that with the addition of SiC particulate reinforcement, the hardness improved considerably, while the ultimate tensile and yield strength improved slightly. The density and porosity of the magnesium alloy-based composites increased with the increase in the wt.% of SiC particulates.

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9

Liu, Bin, Haomin Sang, Zhiqiang Wang, and Yongshui Kang. "Experimental Study on the Mechanical Properties of Rock Fracture after Grouting Reinforcement." Energies 13, no. 18 (2020): 4814. http://dx.doi.org/10.3390/en13184814.

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Grouting reinforcement plays an important role in repairing fractures and improving the strength of the surrounding rock. To address practical engineering challenges such as caving and chip off-falling of surrounding rock in deep roadways, normal splitting was adopted to prefabricate fractures on rock samples gathered from underground coal mines. This was done to better match the rock fracture specimen with actual conditions. Based on the elementary unit of a fracture surface, systematic experiments were conducted on the tensile properties of rock fractures after grouting reinforcement, and th

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10

Yang, Peiju, Shurong Zhang, and Changyou Liu. "Study on Shear Failure Process and Zonal Disintegration Mechanism of Roadway under High Ground Stress: A Numerical Simulation via a Strain-Softening Plastic Model and the Discrete Element Method." Applied Sciences 14, no. 10 (2024): 4106. http://dx.doi.org/10.3390/app14104106.

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Fracture expansion in rock masses can be observed by monitoring the break of contacts between the bounding particles via the discrete element method. The latter’s realization in this study via the PFC2D program tracked the evolution process of the zonal disintegration in an exemplary roadway-surrounding rock affected by mining. Besides, the damage evolution pattern in a high-stress soft rock roadway was simulated by the FLAC2D program using a strain-softening plastic model, revealing the effects of rock mass strength, stress state, and anchor support on the zonal disintegration of the roadway.

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11

Lin, Xue‐Mei, Michael C. H. Yam, Kwok‐Fai Chung, and Yuchen Song. "Block shear strength of high strength steel staggered bolted connections." ce/papers 6, no. 3-4 (2023): 1281–86. http://dx.doi.org/10.1002/cepa.2244.

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AbstractThis paper presents an experimental and numerical study of block shear strength of staggered bolted connections made of high strength steel (HSS). The study aims to examine the effect of low ductility and low tensile‐to‐yield strength ratio of HSS material on the behaviour and block shear strength of staggered bolted connections. Two Q690 HSS staggered bolted connections were tested and failed in block shear failure, which was characterised by tension fracture of the staggered net tension plane and significant shear deformation along the shear plane. The test observations were further

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12

Yuan, Lin Lin, Jing Tao Han, and Jing Liu. "Microstructure and Mechanical Property Analyses of Brazing Titanium and Low Carbon Steel Using Silver-Based Brazing Alloy." Advanced Materials Research 941-944 (June 2014): 169–77. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.169.

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Brazing of commercially pure titanium to low carbon steel by using the Ag72Cu28 interlayer at different conditions was carried out in the present work in order to investigate the tensile-shear strength, microstructure and the fracture morphology of brazed joint. The results show that different intermetallic compounds such as CuTi,CuTi2,Cu4Ti3 and FeTi were formed at the bonding area. It was observed that the microstructure of joint has a considerable effect on tensile-shear strength of the brazed samples and the maximum tensile-shear strength was achieved at “750°C-10min→850°C-5min”.All the fr

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13

Li, Sanbai, Dongxiao Zhang, and Xiang Li. "A New Approach to the Modeling of Hydraulic-Fracturing Treatments in Naturally Fractured Reservoirs." SPE Journal 22, no. 04 (2017): 1064–81. http://dx.doi.org/10.2118/181828-pa.

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Summary A fully coupled thermal/hydromechanical (THM) model for hydraulic-fracturing treatments is developed in this study. In this model, the mixed finite-volume/finite-element method is used to solve the coupled system, in which the multipoint flux approximation L-method is used to calculate interelement fluid and heat flux. The Gu et al. (2011) crossing criterion is extended to a 3D scenario to delineate the crossing behaviors as hydraulic fractures meet inclined natural fractures. Moreover, the modified Barton et al. (1985) model proposed by Asadollahi et al. (2010) is used to estimate the

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14

Zhang, Xiangxiang, Jianguo Wang, Feng Gao, and Xiaolin Wang. "Numerical Study of Fracture Network Evolution during Nitrogen Fracturing Processes in Shale Reservoirs." Energies 11, no. 10 (2018): 2503. http://dx.doi.org/10.3390/en11102503.

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This paper develops a numerical model to study fracture network evolution during the nitrogen fracturing process in shale reservoirs. This model considers the differences of incompressible and compressible fluids, shear and tensile failure modes, shale heterogeneity, and the strength and permeability of both shale matrix and bedding planes through the coupling of mechanical-seepage-damage during fracturing fluid injection. The results show that nitrogen fracturing has a lower breakdown pressure and larger seepage zone than hydraulic fracturing under the same injection pressure. Tensile failure

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15

Li, Lihui, Beixiu Huang, Xiaolin Huang, Ming Wang, and Xiao Li. "Tensile and Shear Mechanical Characteristics of Longmaxi Shale Laminae Dependent on the Mineral Composition and Morphology." Energies 13, no. 11 (2020): 2977. http://dx.doi.org/10.3390/en13112977.

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Laminae are well developed in shale and generally influence fracture propagation during hydraulic fracturing. Hence, comprehensively understanding the tension and shear behaviors of shale laminae is crucial. There have been limited systematic studies thus far on the tensile and shear strength as well as fracture morphology of shale laminae. In this study, the Lower Silurian Longmaxi Shale (China) was investigated via Brazilian tensile and angle-varied plate shear tests. Five lamina types were tested, i.e., calcite (Cal), pyrite (Py), organic-enriched (Oc), the interface between Cal and Oc (Cal

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16

Yaobin, Song, Lu Weiyong, He Changchun, and Bai Erhu. "Numerical Simulation of the Influence of Natural Fractures on Hydraulic Fracture Propagation." Geofluids 2020 (July 24, 2020): 1–12. http://dx.doi.org/10.1155/2020/8878548.

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According to the theory of plane mechanics involving the interaction of hydraulic and natural fractures, the law of hydraulic fracture propagation under the influence of natural fractures is verified using theoretical analysis and RFPA2D-Flow numerical simulation approaches. The shear and tensile failure mechanisms of rock are simultaneously considered. Furthermore, the effects of the approach angle, principal stress difference, tensile strength and length of the natural fracture, and elastic modulus and Poisson’s ratio of the reservoir on the propagation law of a hydraulic fracture are invest

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17

Shao, Yawu, Yonglu Suo, Jiang Xiao, Yuan Bai, Tao Yang, and Siwei Fan. "Dynamic Evolution Characteristics of Oil–Gas Coupling Fractures and Dynamic Disaster of Coal Mass in Coal and Oil Resources Co-Storage Areas." Applied Sciences 12, no. 9 (2022): 4499. http://dx.doi.org/10.3390/app12094499.

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The dynamic evolution characteristics of fracture are crucial to analyzing the development of coal and rock mass instability, gas diffusion law, and dynamic disaster prediction. These characteristics affect coal rock fractures and gas-induced disaster channels. Based on the experimental results, we found the following: In areas rich in both coal and oil, the coal mass damage due to high-pressure oil diffusion was inversely correlated with the distance of the coal mass from the disaster source. Moreover, as the coal mass became closer to the disaster source in the abandoned oil well, the averag

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18

Li, Long, Xin Chen, De Jing Zhou, and Chao Lan Tang. "Evaluation on Interface Bonding of Thin Aluminum Clad Steel Strip." Advanced Materials Research 1120-1121 (July 2015): 967–72. http://dx.doi.org/10.4028/www.scientific.net/amr.1120-1121.967.

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The bond strength were comparatively measured by tensile test, tension shear test and compression shear test in order to evaluate bonding behavior of thin aluminum clad steel strips bonded by cold rolling, and furthermore determine minimum stable reduction of clad strips. The morphologies after fracture were observed and analyzed using SEM (scanning electron microscope) and EDS (energy dispersive spectrometer). The results show that it is lower for the bond strength obtained by shear test than one obtained by tensile test, which largely attributes to different stress states during testing. Min

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19

Maleki, HN, and TN Chakherlou. "Comparison between bolt clamping force and composite patches for repairing aircraft structures of aluminum alloy 2024-T3." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 233, no. 5 (2018): 1758–71. http://dx.doi.org/10.1177/0954410018761966.

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Many parts used in various industries are subjected to multiaxial stresses during service phase, and since cracks can be a source of failure in the parts, it is extremely important to analyze the strength of cracked structures under multiaxial loads, and improve the structures fracture strength. In the present research, the effect of clamping force resulted from bolted pre-tension and composite patches on enhancing fracture strength of edge cracked rectangular samples made of aluminum-alloy 2024-T3 are evaluated both experimentally and theoretically. The cracked laboratory samples were tested

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20

Aslaminabadi, Naser, Zohreh Halimi Tabrizi, Ozra Golsanamlou, Zohreh Estaki, and Zahra Jamali. "Bond strength of conventional versus modified methods for Class IV restorations in primary incisors: An in vitro study." Journal of Dental Research, Dental Clinics, Dental Prospects 16, no. 2 (2022): 123–29. http://dx.doi.org/10.34172/joddd.2022.021.

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Background. Aesthetic restorations of severely decayed anterior primary teeth are challenging due to the small size of the teeth and the large pulp chambers. Therefore, this study evaluated and compared the tensile and shear bond strengths of conventional versus modified methods (slot technique) of Cl IV restorations in primary incisors. Methods. A total of 120 extracted intact maxillary primary central and lateral incisors were divided into two groups. In group A, conventional Cl IV cavities were prepared. In group B, after conventional cavity preparation, four and three incisal slots were pr

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21

Fan, Sufeng, Xihai Wang, Zhe Kong, and Qinghua Hou. "Investigation of Tensile Properties and In Situ Analysis of Fracture Behavior in High-Porosity Open-Cell Nickel Foam." Materials 17, no. 21 (2024): 5223. http://dx.doi.org/10.3390/ma17215223.

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Nickel foam offers excellent conductivity, a high surface area, and lightweight structure, making it ideal for applications, like battery electrodes, catalysts, and filtration systems. Its durability and corrosion resistance further enhance its performance in various industries. However, few studies focus on the tensile anisotropy of nickel foam and its tensile fracture process. In this study, the anisotropic tensile behavior of nickel foam with varying relative densities has been investigated, along with its tensile fracture behavior using in situ techniques. The tensile properties of nickel

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22

Kakisawa, H., Y. Kagawa, M. Takeda, Y. Imai, and H. Ichikawa. "Effect of Pip Cycles on Fracture Behaviour in Unidirectional SiC Fibre-Reinforced SiC Matrix Composite." Advanced Composites Letters 8, no. 3 (1999): 096369359900800. http://dx.doi.org/10.1177/096369359900800305.

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The effect of pore volume fraction in unidirectional SiC fibre (Nicalon™)-reinforced SiC matrix composite fabricated by polymer infiltration pyrolysis (PIP) process on three-point bend fracture behaviour has been studied. The pore volume fraction, f u, is varied by changing the number of PIP cycles, N. Results shows that the shear fracture mode is dominant at f u ≥ 0.36 and the strength increased with the decrease of f u. On the other hand, the tensile mode was dominant at f u ≤ 0.17 and the tensile strength was independent of fu. Transition of the fracture mode occurred when the ratio of shea

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23

Henry, DA, RH Macmillan, and RJ Simpson. "Measurement of the shear and tensile fracture properties of leaves of pasture grasses." Australian Journal of Agricultural Research 47, no. 4 (1996): 587. http://dx.doi.org/10.1071/ar9960587.

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The shear fracture properties of leaves of pasture grasses were measured using a shearing device consisting of 2 blades at fixed angles. The mechanics of the shearing process were examined with both paper and leaves of Festuca arundinacea. The investigations indicated that the intrinsic strength of the material being cut is best represented as force exerted during the cut divided by the length of the cutting blade in contact with the material. Tensile fracture properties of leaves of 5 pasture grasses were also measured, and the relationship between tensile and shear properties was examined. I

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Luan, Hengjie, Kun Liu, Decheng Ge, et al. "Fracture Behavior and Cracking Mechanism of Rock Materials Containing Fissure-Holes Under Brazilian Splitting Tests." Applied Sciences 15, no. 10 (2025): 5592. https://doi.org/10.3390/app15105592.

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Fractures and voids are widely distributed in slope rock masses. These defects promote crack initiation and propagation, ultimately leading to rock mass failure. Investigating their damage evolution mechanisms and strength characteristics is of significant importance for slope hazard prevention. A numerical simulation study of Brazilian splitting tests on disk samples containing prefabricated holes and fractures was conducted using the Finite Element Method with Cohesive Zone Modeling (FEM-CZM) in ABAQUS by embedding zero-thickness cohesive elements within the finite element model. This 2021 s

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25

Wu, Xuyang, Yun Bao, Mingyang Ren, and Qingguo Liang. "The Tensile Strength of Loess in Northwest China by Unconfined Penetration Test and the Distinct Element Simulation." Advances in Civil Engineering 2021 (June 29, 2021): 1–13. http://dx.doi.org/10.1155/2021/1484078.

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The unconfined penetration test (UP test) is one of the indirect methods to measure the tensile strength of soils. Through a series of UP tests of undisturbed and remolded loess, the split angle (α) of the wedge body which was shaped in the process of the experiment was discussed. And then, the particle movement, the force transfer, and the fracture development law of the sample were studied by the distinct element method (PFC2D). The experiment and numerical simulation results show the following: (1) the split angle (α) presents an exponential decrease with tensile strength (σt) and a linear

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26

Ambarita, H., M. Daimaruya, and H. Fujiki. "Impact Fracture of Jointed Steel Plates of Bolted Joint of Cars." Applied Mechanics and Materials 566 (June 2014): 232–37. http://dx.doi.org/10.4028/www.scientific.net/amm.566.232.

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The present study is concerned with the development of a fracture criterion for the impact fracture of jointed steel plates of a lap bolted joint used in the suspension parts of a car body. For the accurate prediction of crash characteristics of car bodies by computer-aided engineering (CAE), it is also necessary to examine the behaviour and fracture of the jointed steel plates subjected to impact loads. Although the actual impact fracture of jointed steel plates of a lap bolted joint in cars is complicated, for simplifying it is classified into the shear fracture and the extractive fracture o

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27

Jamieson, J. B., and C. D. Johnston. "A fracture-arrest model for unconfined dry slab avalanches." Canadian Geotechnical Journal 29, no. 1 (1992): 61–66. http://dx.doi.org/10.1139/t92-007.

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A simplified model of an unconfined dry snow slab is used to derive expressions for the rate at which elastic strain energy is released and for the fracture resistance during the propagation of the rapid brittle fractures that result in slab avalanches. A relatively constant energy release rate is derived based on arguments that associate most of the released energy with the crown fracture. In contrast, advancing basal and crown fractures result in increasing fracture resistance. By assuming fracture propagation will stop when the strain energy release rate is just greater than the fracture re

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28

He, Changshu, Zhiqiang Zhang, Ying Li, et al. "Interface Characteristics and Mechanical Properties of Ultrasonic-Assisted Friction Stir Lap Welded 7075-T6 Aluminium Alloy." Materials 13, no. 23 (2020): 5335. http://dx.doi.org/10.3390/ma13235335.

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In this work, friction stir lap welding (FSLW) and ultrasonic-assisted friction stir lap welding (UAFSLW) was applied to 6-mm-thick 7075-T6 alloy sheets using three welding tools with the same process parameters. The joint formation, microstructural characteristics, and mechanical properties of the resulting lap joints were then investigated. The results showed that ultrasonic vibration significantly promoted the flow of metal at the interface, enlarged the size of the stirred zone (SZ), and reduced the angle between the hook defect and the interface. During lap shear testing, the FSLW and UAF

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29

Zhang, Zhong, Chun-Chi Ma, Tianbin Li, Tao Song, and Huilin Xing. "Numerical Simulation of Cracking Behavior of Precracked Rock under Mechanical-Hydraulic Loading." Geofluids 2020 (October 16, 2020): 1–14. http://dx.doi.org/10.1155/2020/8852572.

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The cracking behavior of precracked rocks under mechanical-hydraulic loading is of great significance in underground openings or petroleum engineering. In this study, an advanced in-house finite element code PANDAS proved to be effective in simulating coupled fracturing processes under complex geological conditions was used to simulate the cracking propagation of the precracked rocks under mechanical loading and mechanical-hydraulic loading with different strength parameters. The simulation results demonstrated that (1) the cracks initiate by the induced stresses, and multiple types of tensile

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Fukahori, Tomoaki, Shinichi Suzuki, Naoya Yamada, Masatoshi Aramaki, and Osamu Furukimi. "Effect of Microstructure on Formation of Ductile Fracture Surface in Steel Plate." Advanced Materials Research 409 (November 2011): 678–83. http://dx.doi.org/10.4028/www.scientific.net/amr.409.678.

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In recent years, high strength steel plates for building and pipelines have been required to improve ductile fracture properties, assuming ground deformation in earthquake-prone region. The ductile fracture is performed by the result from coalescence of micro-voids followed by the nucleation and growth [1]. Fractured surface morphology reflects the void coalescence process, so it is important to consider the relationship between the fracture surface morphology and the micro-voids formation beneath the fractured surface to consider the ductile fracture properties. The voids nucleate sites are m

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Zhao, Lianxing, Xiaotao Fei, Chaifeng Sun, Peng Liu, and Di Li. "The Study and Application on Ductile Fracture Criterion of Dual Phase Steels During Forming." Metals 14, no. 11 (2024): 1301. http://dx.doi.org/10.3390/met14111301.

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High-strength steel exhibits complex fracture behavior due to the interplay between shear and necking mechanisms during stamping and forming processes, posing challenges to achieving the dimensional accuracy and reliability demanded for automotive body panels. Existing prediction methods often fail to simultaneously account for both tensile and shear fracture characteristics, thereby limiting their predictive accuracy under diverse stress conditions. To address this limitation, we propose a ductile fracture criterion that integrates both tensile and shear mechanisms, calibrated using a single

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32

Nonomura, Toshiki, Tsuyoshi Kosaka, Tatsuya Kobayashi, Ikuo Shohji, and Muneyoshi Iyota. "Microstructure and Mechanical Properties of A6061/GA980 Resistance Spot Weld." Key Engineering Materials 966 (November 29, 2023): 25–30. http://dx.doi.org/10.4028/p-rue1zd.

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Resistance spot welding was performed on steel and an Al alloy to investigate the microstructural and mechanical properties of the joint. An Al-Mg-Si aluminum alloy A6061 and an alloyed zinc-plated steel sheet GA980 were used as specimens. Resistance spot welding was performed at welding currents of 16 kA, 20 kA, and 22 kA, welding time of 0.24 s, and welding pressure of 5 kN. To investigate the strength of the welds, the tensile shear test and the cross tension test were conducted, and the fatigue test was also conducted. The nugget diameter increased with an increase in the welding current.

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33

Man, Ke, and Xiaoli Liu. "Dynamic Fracture Toughness and Dynamic Tensile Strength of the Rock from Different Depths of Beijing Datai Well." Advances in Civil Engineering 2018 (August 29, 2018): 1–8. http://dx.doi.org/10.1155/2018/2567438.

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From the standard test method suggested by ISRM and GB/T50266-2013, the uniaxial static tensile strength, dynamic tensile strength, and dynamic fracture toughness of the same basalt at different depths have been measured, respectively. It is observed that there may be an empirical relation between dynamic fracture toughness and dynamic tensile strength. The testing data show that both the dynamic fracture toughness and dynamic tensile strength increase with the loading rate and the dynamic tensile strength increases a little bit more quickly than the dynamic fracture toughness. With an increas

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34

Gassaa, Ramzi, Larbi Hemmouche, Riad Badji, Lionel Gilson, Luc Rabet, and Oussama Mimouni. "Effect of rotational speed and copper interlayer on the mechanical and fracture behaviour of friction stir spot welds of 5754 aluminium alloy." Metallurgical Research & Technology 120, no. 1 (2023): 118. http://dx.doi.org/10.1051/metal/2023014.

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The application of joining processes requires advanced mechanical tests to control the joints’ quality. Generally, welded sheets are verified using tensile shear tests. However, few studies also recommend conducting tension peel and cross-tension tests. The present work evaluates the mechanical behaviour of 5754 aluminium sheets jointed by friction stir spot welding (FSSW). The influence of the rotational speed on joint strength was first compared to riveted assemblies. Then, sheets welded with pure copper interlayers were compared to the precedents. The results indicated that, without an inte

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35

Hardy, David F., and David L. DuQuesnay. "Effect of Repetitive Collar Replacement on the Residual Strength and Fatigue Life of Retained Hi-Lok Fastener Pins." Metals 9, no. 4 (2019): 445. http://dx.doi.org/10.3390/met9040445.

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Hi-Lok fasteners were subjected to multiple collar replacements, and were tested under static loading and constant-amplitude fatigue loading, to determine the effect of repetitive collar replacement on the residual strength and fatigue life of a retained Hi-Lok-type fastener pin. Hi-Lok-type fasteners are typically used in aircraft structural joints, and are loaded mainly in shear. Tests were conducted for clamping force, static shear strength, static tensile strength, and shear fatigue life for collars subjected to five collar replacements. The static shear results showed no decrease in the u

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Morris, Peter H., J. Graham, and David J. Williams. "Cracking in drying soils." Canadian Geotechnical Journal 29, no. 2 (1992): 263–77. http://dx.doi.org/10.1139/t92-030.

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Cracking in soils that are undergoing drying is controlled by soil suctions and by soil properties such as compression modulus, Poisson's ratio, shear strength, tensile strength, and specific surface energy. The paper reviews the occurrence and morphology of cracks in dry-climate regions of Australia and Canada. After reviewing the behaviour of unsaturated soils and the mechanics of cracking, solutions are developed based on (i) elasticity theory, (ii) the transition between tensile and shear failure, and (iii) linear elastic fracture mechanics. The solutions are compared and related to crack

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Lin, Ben Yuan, Ju Jen Liu, and Lee Der Lu. "Mechanical Properties and Fracture Behavior of Friction Stir Spot Welded AZ61 Magnesium Alloys." Advanced Materials Research 154-155 (October 2010): 498–507. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.498.

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In this study, the tensile shear strength and the fracture behavior of friction stir spot welded AZ61 joints in lap-shear configuration were investigated. The heat input was measured in FSSW to help analyze the effect of welding parameters on the strength. The tensile shear failure test was performed in a material testing system. The cross section of the joints and the fracture surface of the failed specimens were analyzed using optical microscopy and scanning electron microscopy. Results show that the weld diameter and the tensile shear load increase with increasing the input heat. The path o

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Wardeh, George, and Elhem Ghorbel. "Shear strength of reinforced concrete beams with recycled aggregates." Advances in Structural Engineering 22, no. 8 (2019): 1938–51. http://dx.doi.org/10.1177/1369433219829815.

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This article presents an experimental program on the shear behavior of beams without transversal reinforcement manufactured with natural aggregate concrete and 100% recycled aggregate concrete. The beams were tested under four-point bending for a shear span-to-depth ratio ( a/ d) equal to 1.5 and 3.0. The mechanical properties of two mixes were characterized in terms of compressive strength, splitting tensile strength, and elastic modulus. Three-point bending tests were performed on plain pre-notched samples in order to determine the fracture properties by an inverse analysis of experimental f

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Kanno, Teruyoshi, Hiroki Kurita, Masashi Suzuki, Hitoshi Tamura, and Fumio Narita. "Numerical and Experimental Investigation of the Through-Thickness Strength Properties of Woven Glass Fiber Reinforced Polymer Composite Laminates under Combined Tensile and Shear Loading." Journal of Composites Science 4, no. 3 (2020): 112. http://dx.doi.org/10.3390/jcs4030112.

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The purpose of this paper is to investigate the through-thickness stresses of woven glass fiber reinforced polymer (GFRP) composite laminates under combined tensile and shear loading. Tensile tests were carried out with cross specimens at room temperature under various stacking angles, and the through-thickness strength properties of the woven GFRP laminates were evaluated. The failure characteristics of the woven GFRP laminates were also studied by optical microscopy observations. A three-dimensional finite element analysis (FEA) was carried out to calculate the stress distributions in the cr

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Zheng, Lifei, Dan Huang, Xiaoqing Li, and Xuan Hu. "Numerical Analysis of Fracture Behaviour on Marble Samples Containing Two Flaws." Advances in Civil Engineering 2020 (January 30, 2020): 1–15. http://dx.doi.org/10.1155/2020/6278289.

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Uniaxial compression tests were conducted on marble specimens containing two flaws. There are coplanar flaws and noncoplanar flaws. The inclination angle and spacing of flaws were considered of the coplanar flaws model, and the step angle and spacing of flaws were considered of the noncoplanar flaws model. Strength failure and crack coalescence behaviour were analysed in the paper. The crack evolution process containing microcrack initiation, coalescence, and failure is focused on the rock bridge coalescence and the extent of the pre-existing flaws. There are four forms of rock bridge coalesce

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Nath, Fatick, Peter E. Salvati, Mehdi Mokhtari, Abdennour Seibi, and Asadollah Hayatdavoudi. "Laboratory Investigation of Dynamic Strain Development in Sandstone and Carbonate Rocks Under Diametrical Compression Using Digital-Image Correlation." SPE Journal 24, no. 01 (2018): 254–73. http://dx.doi.org/10.2118/187515-pa.

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Summary Understanding the mechanical behavior (compression, shear, or tension) of rocks plays an important role in wellbore-stability design and hydraulic-fracturing optimization. Among rock mechanical properties, strain is a critical parameter describing rock deformation under stress with respect to its original condition, yet conventional methods for strain measurement have several deficiencies. In this paper, we analyze the application of the optical method digital-image correlation (DIC) to provide detailed information regarding fracture patterns and dynamic strain development under Brazil

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Serizawa, Hisashi, and Hidekazu Murakawa. "A Critical Review on Modeling of Fracture Behavior of Ceramic Joints." Advances in Science and Technology 88 (October 2014): 121–30. http://dx.doi.org/10.4028/www.scientific.net/ast.88.121.

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As examples of the most typical methods to determine the shear strength of SiC/SiC composite joints, the asymmetrical four point bending test of a butt-joined composite, the tensile test of a lap-joined composite, and the compression test of a double-notched composite joint were analyzed by using a finite element method with the interface element. From the results, it was found that the shear strength in the asymmetrical bending test was controlled by both the surface energy and the shear strength at the interface regardless of their combination while the strength in the tensile test or the co

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Liu, Zhaoyi, Ligang Zhang, GR Liu, et al. "Material constituents and mechanical properties and macro-micro-failure modes of tight gas reservoirs." Energy Exploration & Exploitation 38, no. 6 (2020): 2631–48. http://dx.doi.org/10.1177/0144598720913069.

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In this work, a series of intensive laboratory tests are conducted to measure the material constituents, mechanical properties, and to examine macro-micro-failure modes of various types of rocks from tight gas reservoirs in the Da Qing oilfield in China. A set of key parameters are experimentally determined, including porosity, mineralogical compositions, microstructure, Young’s modulus, Poisson’s ratio, triaxial compressive strength, as well as macro- and micro-morphology failure modes. The relationships of these parameters are systematically analyzed, and the effects of the material constitu

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Li, Erqiang, Yanqing Wei, Zhanyang Chen, and Longfei Zhang. "Experimental and Numerical Investigations of Fracture Behavior for Transversely Isotropic Slate Using Semi-Circular Bend Method." Applied Sciences 13, no. 4 (2023): 2418. http://dx.doi.org/10.3390/app13042418.

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Slate with inherently transverse isotropy is abundant in metamorphic rock, in buildings, and in geotechnical engineering worldwide; the tensile and shear fracture behavior of layered slate is vital to know for engineering applications. In this paper, the Brazilian and semi-circular bend (SCB) tests of layered slate were performed. The fracture characteristics of the slate were investigated by numerical simulations developed by the hybrid finite and cohesive element method (FCEM). Results showed that the measured experimental tensile strength, and mode I fracture toughness of layered slate all

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Jing, Qi Feng, Ye Fa Tan, Jian Tang, Hua Tan, Xiang Hong, and Wei Gang Wang. "Microstructure and Mechanical Properties of Cobalt Alloy Coating Deposited by Electro-Spark." Advanced Materials Research 881-883 (January 2014): 1400–1404. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.1400.

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Stellite190 cobalt alloy coating was deposited on 45 carbon steel by electro-spark deposition. Formation mechanism, microstructure, phase composition and mechanical properties of the coating were researched, fracture mechanism of the coating was analyzed. The results indicate that, the coating has dense and well distributed microstructure, mainly composed of Co, (CoCrW)6C, Cr7C3. The coating presents excellent mechanical properties with a tensile strength of 731.83 MPa, a bonding strength of 213.01 MPa and good peeling resistance. The mechanism for tensile fracture of the coating is dimple fra

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Fedorov, Vasilii, Thomas Uhlig, and Guntram Wagner. "Structure–Property Relationship in High-Strength Aluminum Alloys/Stainless Steel Brazed Joints." Metals 13, no. 2 (2023): 242. http://dx.doi.org/10.3390/met13020242.

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In many industrial sectors, for example, aerospace, automotive and high-performance electronic industries, there is a significant need to join dissimilar materials. In the case of medium-strength aluminum alloys, joints are commonly manufactured using Al-Si brazing fillers with a melting temperature of 575 °C. In comparison to medium-strength aluminum alloys, high-strength aluminum alloys exhibit lower melting temperatures. Therefore, the joining possibilities are limited. Due to the lower melting temperature of about 500 °C, Al-Ag-Cu brazing fillers allow the joining of these alloys. In this

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Gao, Bo, Min Tang, and Hong Bin Shi. "Tensile Properties of 4D In-Plane C/C Composites." Applied Mechanics and Materials 161 (March 2012): 30–36. http://dx.doi.org/10.4028/www.scientific.net/amm.161.30.

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The tensile properties of 4D in-plane carbon/carbon (C/C) composites were researched by MTS machine and ARAMIS optical strain test system. A damage model for analysis the gradual damage was proposed, which chose hoffman criterion and twin shear strength theory as the failure criterion of fiber bundle and matrix, respectively. Cohesive zone model was used to simulate the interfacial debonding at the fiber bundle/matrix interface. The effect of shear strength of fiber bundle/matrix interface on the tensile strength was researched. It is shown that the major factor caused by the failure of the ma

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Cruse, T. A., R. C. Dommarco, and P. C. Basti´as. "Shear Strength of a Thermal Barrier Coating Parallel to the Bond Coat." Journal of Engineering Materials and Technology 120, no. 1 (1998): 26–32. http://dx.doi.org/10.1115/1.2806834.

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The static and low cycle fatigue strength of an air plasma sprayed (APS) partially stabilized zirconia thermal barrier coating (TBC) is experimentally evaluated. The shear testing utilized the Iosipescu shear test arrangement. Testing was performed parallel to the TBC-substrate interface. The TBC testing required an innovative use of steel extensions with the TBC bonded between the steel extensions to form the standard losipescu specimen shape. The test method appears to have been successful. Fracture of the TBC was initiated in shear, although unconstrained specimen fractures propagated at th

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Liu, Yue Hua, Hui Ping Yu, Wei Wei Wang, Xiao Yang Li, and Shu Jun Chen. "Experimental Research on Tensile-Shear Behavior of Spot-Welded Lap Joints of Ultra-High Strength Steel." Applied Mechanics and Materials 226-228 (November 2012): 1720–24. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.1720.

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The ultra-high strength quenched 22MnB5 steel is researched in this paper, the intermediate frequency inverter & electric servo welding gun system is used to weld the sheets, experiments included of tensile-shear with synchronous electrical testing, microstructure of the material and fractures analysis and the Vickers-Hardness testing. The results point out that the maximum hardness is located at weld nugget, and the minimum hardness is appeared in heat affected zone (HAZ). Fracture is formed under the combined effects of shear stress and normal stress, the shear stress contributes to inte

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Gu, Jia Xing, Shang Lei Yang, Chen Feng Duan, Qi Xiong, and Yuan Wang. "Microstructure and Mechanical Characterization of Laser Welded 6013 Aluminum Alloys Overlap Joint." Key Engineering Materials 795 (March 2019): 49–53. http://dx.doi.org/10.4028/www.scientific.net/kem.795.49.

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In this paper, 6013 aluminum alloy with the thickness of 2.5mm was overlap welded by fiber laser. The microstructure, mechanical properties and fracture morphology of the joint was tested and observed by Optical Microscope, material testing machines and Scanning Electron Microscope, thus the failure and fracture mechanism of the welded joint are analyzed. The results showed that good shape of weld was achieved under the optimal welding parameters. Equiaxial as-cast microstructures exist in the welding center and the columnar grains are formed near the fusion line in the WZ. The hardness of wel

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