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121
Study on Dynamic Constitutive Model of Weakly Consolidated Soft Rock in Western China
Published 2020-01-01“…It was also found that the constitutive equation was applicable to express the dynamic mechanical properties of rock-like materials such as hard rock, soft rock, frozen soil, raw coal, and concrete. …”
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122
Ground Hemp Fibers as Filler/Reinforcement for Thermoplastic Biocomposites
Published 2015-01-01“…Firstly, the microstructural and tensile characterizations of the two types of fibres were characterized using scanning electron microscope (SEM), Fourier transform infrared analysis (FTIR), and Dynamic Mechanical Analyser (DMA). Then, the fibres were ground into different lengths of 0.2, 0.5, 1, and 2 mm; composites containing 40 wt% short hemp fibre and 5 wt% maleic anhydride grafted polypropylene (MAPP) were fabricated by means of a twin screw extruder and an injection moulding machine. …”
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123
Experimental Study and Seismic Response Evaluation of Chlorobutyl Rubber-Based Viscoelastic Dampers
Published 2024-01-01“…In the first phase of the experimental studies, the viscoelastic characteristics of the reference and modified CIIR rubber materials were evaluated using dynamic mechanical thermal analysis (DMTA) in tension mode. …”
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124
Study of the Impact Energy Releasing Characteristics of Al/PTFE/W Energetic Jets
Published 2020-01-01“…To study the reaction characteristics of polytetrafluoroethylene- (PTFE-) based energetic jets under impact loading, the static mechanical properties of Al/PTFE/W composite energetic materials are studied by using a universal testing machine at a strain rate of 0.01 s−1, and the dynamic mechanical properties are tested on a slip Hopkinson pressure bar (SHPB) system at a strain rate of 1000∼5500 s−1. …”
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125
Introduction to the New Copolymer of Chloroprene and Acrylonitrile with Differentiated Properties
Published 2021-01-01“…As evidenced through differential scanning calorimetry (DSC) and dynamic mechanical thermal analysis (DMTA), the single glass transition temperature of acrylonitrile-chloroprene rubber reflects its monophasic random microstructure. …”
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126
Effect of Expanded Graphite on Mechanical and Tribological Properties of Polyamide 6/Glass Fibre Composites
Published 2022-01-01“…EG acted as a nucleating agent but hindered the crystallization rate at higher concentrations, which was more pronounced when EG5 was added. Dynamic mechanical analysis showed that the storage modulus increased with the addition of both types of EG. …”
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127
Educational sustainability: A multi-scale elementary school resource distribution variability from China
Published 2025-01-01“…Based on these findings, the study discusses the characteristics of each sector, utilizing methods of supervision, cooperation, communication, and guidance to create a dynamic mechanism for maintaining equity in educational resources. …”
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128
Study on the Numerical Relationship between Dynamic Compressive Strength and Crushing Energy Consumption in Dynamic Point Load Test under Different Corrosion Conditions
Published 2023-01-01“…Therefore, it is of great significance to study the influence of hydrochemical corrosion on dynamic mechanical properties of rock to ensure the stability of surrounding rock. …”
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129
Study on Mechanical Properties and Energy Consumption of Fissured Sandstone with Different Dip Angles under Impact Load
Published 2022-01-01“…To study the dynamic mechanical properties and energy consumption of fissured sandstone with different dip angles under impact load, impact compression tests were conducted on seven groups of and intact and fractured sandstone specimens with different dip angles using the split Hopkinson pressure bar (SHPB) device with 0.3 MPa air pressure. …”
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130
Experimental Investigation of Dynamic Compression Mechanical Properties of Frozen Fine Sandstone
Published 2020-01-01“…Aiming at the dynamic mechanical properties of weakly cemented fine sandstone in the rich water-bearing strata in western China under dynamic loading, a 50 mm rod diameter separation Hopkinson pressure bar (SHPB) test was used to study the Paleogene fine sandstone in a coal mine in Ningxia. …”
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131
Influence of Water Pressure on the Mechanical Properties of Concrete after Freeze-Thaw Attack under Dynamic Triaxial Compression State
Published 2019-01-01“…Two specimens were used: (1) a 100 mm × 100 mm × 400 mm prism for testing the loss of mass and relative dynamic modulus of elasticity (RDME) after F-T cycles and (2) cylinders with a diameter of 100 mm and a height of 200 mm for testing the dynamic mechanical properties of concrete. Strain rates ranged from 10−5·s−1 to 10−3·s−1, and F-T cycles ranged from 0 to 100. …”
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132
Adaptive Bi-Directional RRT Algorithm for Three-Dimensional Path Planning of Unmanned Aerial Vehicles in Complex Environments
Published 2025-01-01“…In contrast to the Bi-RRT algorithm, which utilizes a random sampling strategy and a fixed step size, potentially leading to inefficiencies and limited search effectiveness, the ABi-RRT algorithm incorporates a dynamic mechanism. This mechanism adjusts the sampling strategy and step size based on the complexity of the search environment. …”
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133
Carbon nanotube manipulates crystallization kinetics and viscoelastic behavior of PP/EBC blends
Published 2025-01-01“…We confirm such robust interactions by employing temperature ramp sweep on the prepared nanocomposites as the decomposition temperature of the materials shifts to higher values. The dynamic mechanical analysis further interprets the role of MWCNTs as compatibilizers by bridging the gap between the glassy temperature of PP and EBC components. …”
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134
Thermo-mechanical viscoelastic characterization and modeling of 4D printed shape memory polymers
Published 2025-02-01“…Moreover, temperature sweep, stress relaxation, creep, coefficient of thermal expansion (CTE) and strain-controlled shape memory tests were performed using a dynamic mechanical analyzer (DMA). A shape fixity of ∼97 % and a recovery ratio of ∼99 % was obtained in the shape memory tests. …”
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135
Effects of Heat Treatment on the Microstructure and Mechanical Properties of Selective Laser Melting 316L Stainless Steel
Published 2021-01-01“…The experimental results showed that the three-state samples exhibited strain rate sensitivity in the dynamic mechanical tests and that solution treatment could alter their mechanical properties significantly. …”
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136
Design, Fabrication, and Characterization of 3D-Printed Multiphase Scaffolds Based on Triply Periodic Minimal Surfaces
Published 2024-01-01“…The models were subjected to compressive and shear testing using a dynamic mechanical analysis rheometer. All samples were tested at physiologically relevant temperature (37°C) to provide detailed structural characterizations. …”
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137
Dynamic Splitting Behavior and the Constitutive Relationship of Frozen Sandstone Containing a Single Fissure
Published 2021-01-01“…A dynamic constitutive relationship is established by considering the effects of fissure angle and freezing temperature on the dynamic properties of frozen fractured sandstone, which is proven to be highly reliable and provides a reference and basis to study the dynamic mechanical properties of similar rock types.…”
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138
Magnetic-responsive triple shape memory polymer from bio-based benzoxazine/urethane polymer alloys with iron oxide nanoparticles
Published 2025-01-01“…It was found that the addition of Fe3O4 NPs can enhance the dynamic mechanical properties and magnetic characteristics of the V-fa/PU polymer alloys thanks to the superparamagnetic property of Fe3O4 NPs. …”
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139
The theoretical cognition and research paradigm of land system science
Published 2025-01-01“…The research paradigm of land system science has gradually transformed from knowledge and phenomenon description to the simulation and prediction of complex land systems, which emphasizes the integration of multidisciplinary theories and methods as well as understanding the local-distant coupled interactions of land systems based on the integrated multiscale analysis of expanding boundaries, and focuses on the construction of large-scale quantitative land system models to provide comprehensive and dynamic integrated analysis, prediction and simulation of its dynamic mechanisms, integrated effects and future scenarios and risks, and appeals for an opening scientific collaboration in the era of big data.…”
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140
Mechanism and Characterization of Bicomponent-Filler-Reinforced Natural Rubber Latex Composites: Experiment and Molecular Dynamics (MD)
Published 2025-01-01“…The underlying mechanisms between the dual-component fillers were elucidated through dynamic mechanical analysis (DMA), a rubber process analyzer (RPA), and field emission scanning electron microscopy (SEM). …”
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