332 Result(s)
within
Engineering
Characterization and Evaluation of Materials
Civil Engineering
**hu Li
Article
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Article
Analysis of a cracked harmonic substrate under a rigid punch
The study of the mechanical action between a punch and a cracked substrate has some theoretical guidance for the material protection. So the coupling problem of a cracked semi-infinite harmonic substrate under...
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Cohesive behavior of single crystalline silicon carbide scribing by nanosecond laser
The existing mechanical dicing process of single crystalline Silicon Carbide (SiC) is one of the main factors limiting the development of semiconductor process, which could be replaced by laser scribing potent...
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Experimental Study on Foam Properties of Mixtures of Organic Silicon and Hydrocarbon Surfactants Regulated by Nano-SiO2 Particles
Nano SiO2 particles (NPs) combined with organosilane surfactants present a promising avenue for the development of stable fluorine-free firefighting foams. In this study, hydrophilic nano SiO2 particles, non-ioni...
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Thermal Runaway Characteristics and Fire Behaviors of Lithium-Ion Batteries Corroded by Salt Solution Immersion
Salt solution immersion experiments are crucial for ensuring the safety of lithium-ion batteries during their usage and recycling. This study focused on investigating the impact of immersion time, salt concent...
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Mode-I penny-shaped crack problem in an infinite space of one-dimensional hexagonal piezoelectric quasicrystal: exact solutions
This paper aims to study the Mode-I penny-shaped crack problem of an infinite body of one-dimensional hexagonal piezoelectric quasicrystal. The problem is transformed into a mixed-boundary value problem in the...
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Contact problem of two punches in an elastic coating attached to a porous material
This paper investigates the contact problem of an elastic layer that is perfectly attached to a porous half-space by two rigid flat punches with collinear symmetry. Using integral transformation, the problem i...
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Impact of alternating corrosion and fatigue on the fatigue life of a 7475-T7351 aluminum alloy in an aircraft beam structure
This study compares the fatigue life of a 7475-T7351 aluminum alloy lower wall plate in an aircraft beam structure under alternating corrosion and fatigue conditions to universal fatigue life. It incorporates ...
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Micro to macro-cracking mechanism in thermally treated granodiorite followed by different cooling techniques
Cooling techniques following thermal treatments and related microcracking are a hot spot in rock mechanics and must be precisely studied. Hence, this research performed systematic experiments on the influences...
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Prestress-mediated damage strength of lattice metamaterials and its optimization
Lattice metamaterials have been attracting wide research interests due to their excellent mechanical properties. Most of meta-properties have been implemented by proper geometric designs of microstructures. In...
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Crack growth behavior of U71MnG rail steel under overload conditions described using a dislocation correction model
The single-peak overload test based on DIC technology was carried out in this study, and U71MnG steel was used to explore the influence of dislocation motion on crack propagation during overload. The changes i...
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Open AccessCorrection: Evaluation of Mass Spectrometric Methods for Screening Polycyclic Aromatic Hydrocarbons in the Particulate Phase of Wildfire/Biomass Smoke
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Early Stage Fire Detection System Based on Shallow Guide Deep Network
This work concerns how to effectively detect the fire in early stage using computer vision method. As known, the flame of early fire is small and cannot be effectively detected by traditional fire detectors. I...
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Post-fire Mechanical Properties of Q960 Cold-Formed Thick-Walled Ultra-High-Strength Steel
The mechanical properties and nonlinear performance of the Q960 cold-formed thick-walled ultra-high-strength steel (CTUS) after elevated temperatures were investigated experimentally, where the effects of cold...
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Study on Domino Probability of Spherical Tank Based on New Failure Model
The main objective of this paper is to use the residual strength theory to study the probability of a domino effect accident occurring following the explosion of a spherical tank. We build a novel domino effec...
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Study on the whole dynamical fracture process of sandstone samples
The single cleavage drilled compression specimens of sandstone were impacted by the large-diameter split Hopkinson pressure bar, during which the whole model-I dynamical fracture process was successfully obser...
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A fatigue model under Cosserat peridynamic framework for concrete fatigue cracking
A novel fatigue model under Cosserat peridynamic framework is proposed to investigate concrete fatigue performance. In this model, a novel cyclic bond failure criterion is established to measure the combined t...
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Numerical Study on High Strength Q690 Steel Flush End-Plate Connections at Elevated Temperatures
Exploring fire resistance of high strength steel end-plate connections is one of the key technical bases for fire resistance design and fire safety assessment of high strength steel structures. Numerical simul...
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Open AccessExperimental Study and CFD Modelling of Down-Reaching Flame Behaviors of Tank Fires with Large Ullage Heights
This paper is aimed at studying the down-reaching flame behaviors of tank fires with large ullage heights. Experiments were first conducted using a gas burner in a transparent quartz glass cylinder to simulate...
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Effect of Fire Source Elevation on the Smoke Spreading Characteristics in an Extra-Long Tunnel
In this work, the influences of fire source elevation on the smoke spreading characteristics involving thermal smoke stratification and temperature distribution upstream conducted experimentally in a full-scal...
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Special Issue on State-of-the-Art Fire Research in China and 30th Anniversary of SKLFS
