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Article
Recent progress of zeolitic imidazolate frameworks (ZIFs) in superhydrophobic and anticorrosive coatings for metals and their alloys
Metal–organic frameworks (MOFs) have gained interest in recent years for anticorrosion applications owing to their inimitable structures and excellent properties. As a prominent subclass of MOFs, zeolite imida...
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Article
Ultra-broadband asymmetric transmission and linear polarization conversion based on terahertz metamaterials
In this paper, a terahertz (THz) metamaterial (MM) is designed to achieve ultra-broadband, highly efficient polarization conversion and asymmetric transmission (AT) for linearly polarized (LP) wave. The MM str...
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Article
Dual-Directional Broadband Linear-to-Linear Polarization Conversion Using Multi-layer Metamaterials
In this paper, three-working-layer transmission-mode metamaterials (MMs) are designed to realize angle-insensitive, dual-directional and broadband linear polarization conversion in THz regime, which are compos...
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Article
Open AccessPhotoinduced large polaron transport and dynamics in organic–inorganic hybrid lead halide perovskite with terahertz probes
Organic-inorganic hybrid metal halide perovskites (MHPs) have attracted tremendous attention for optoelectronic applications. The long photocarrier lifetime and moderate carrier mobility have been proposed as ...
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Article
Open AccessUltrastrong magnon–magnon coupling dominated by antiresonant interactions
Exotic quantum vacuum phenomena are predicted in cavity quantum electrodynamics systems with ultrastrong light-matter interactions. Their ground states are predicted to be vacuum squeezed states with suppresse...
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Article
Effect of graphene on microstructure and mechanical properties of U-MIG-welded galvanized steel
In present study, Graphene nanoparticles (GNPs) are incorporated into the steel plate by dip coating technology, and the steel plate is welded by a composite welding process combined with an ultrasonic generat...
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Article
Open AccessDiscerning Weld Seam Profiles from Strong Arc Background for the Robotic Automated Welding Process via Visual Attention Features
In the robotic welding process with thick steel plates, laser vision sensors are widely used to profile the weld seam to implement automatic seam tracking. The weld seam profile extraction (WSPE) result is a c...
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Article
Weld seam profile extraction using top-down visual attention and fault detection and diagnosis via EWMA for the stable robotic welding process
Laser vision-sensing technologies are the most widely used to detect weld seam profiles during the intelligentized robotic welding process (IRWP) with thick steel plates, in which the weld seam profile extract...
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Article
Dark mode tailored electromagnetically induced transparency in terahertz metamaterials
In this paper, a novel terahertz metamaterial structure composed of a pair of sub-wavelength reverse U-shaped split ring resonators (RUSRs) and cut wire (CW) resonator is designed to realize electromagneticall...
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Article
Influence of buffer layer and grating layer on diffraction of multilayer volume holographic grating
In this paper, based on Kogelnik’s coupled-wave theory and transfer matrix method, we discussed the temporal diffraction properties of multilayer volume holographic gratings under femtosecond pulses readout. R...
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Chapter and Conference Paper
Effect of Magnesium Alloy DE-GMAW Processing Parameters on Microhardness
Since welding performance of the magnesium alloy sheet is relatively poor, the welding process parameters of magnesium alloy sheet are studied in DE-GMAW welding, and the influence of different welding process...
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Chapter and Conference Paper
Effect of Transverse Ultrasonic Vibration on MIG Welded Joint Microstructure and Microhardness of Galvanized Steel Sheet
A comparison test of conventional MIG welding and ultrasonic-MIG hybrid welding was carried out in this paper. The effects of transverse ultrasonic vibration on weld formation, weld microhardness and weld micr...
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Article
Open AccessUltrafast electron-phonon coupling and photo-induced strain in the morphotropic phase boundary of BixDy1−xFeO3 films
The interplay among ferroelectric, magnetic and elastic degrees of freedom in multiferroics is the key issues in condensed matters, which has been widely investigated by various methods. Here, using ultrafast ...
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Article
Effect of welding process parameters on hybrid GMAW-GTAW welding process of AZ31B magnesium alloy
MIG-TIG double arc welding of magnesium alloy was studied in this paper. The effects of different welding process parameters (bypass current, wire extension, distance between the tungsten electrode, and the wo...
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Chapter and Conference Paper
Numerical Simulation of Droplet Transfer of AZ31B Magnesium Alloy Based on FLUENT
According to electromagnetic theory and fluid dynamics theory, the AZ31B magnesium alloy GMAW droplet transfer was simulated in the paper, by VOF model of FLUENT software to track the free interface of gas-liq...
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Article
Open AccessNew insight into magneto-structural phase transitions in layered TbMn2Ge2-based compounds
The Tb1−xYxMn2Ge2 series (x = 0, 0.1, 0.2) compounds are found to exhibit two magnetic phase transitions with decreasing temperature: from the paramagnetic state to the antiferromagnetic interlayer state at TNint...
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Article
Numerical simulation of the effects of bypass current on droplet transfer during AZ31B magnesium alloy DE-GMAW process based on FLUENT
A modified Gaussian current density is put forward, which is used to simulate the dynamic process of AZ31B magnesium alloy double-electrode gas metal arc welding (DE-GMAW) droplet transfer. The process of drop...
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Article
Femtosecond laser-induced structural difference in fused silica with a non-reciprocal writing process
In this paper, we report a non-reciprocal writing process for inducing asymmetric microstructure using a femtosecond laser with tilted pulse fronts in fused silica. The shape of the induced microstructure at t...
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Article
Research and Analysis on the Physical and Chemical Properties of Molten Bath with Bottom-Blowing in EAF Steelmaking Process
Bottom-blowing technology is widely adopted in electric arc furnace (EAF) steelmaking to promote the molten bath fluid flow, accelerate the metallurgical reaction, and improve the quality of molten steel. In t...
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Article
Open AccessResolving the spin reorientation and crystal-field transitions in TmFeO3 with terahertz transient
Rare earth orthoferrites (RFeO3) exhibit abundant physical properties such as, weak macroscopic magnetization, spin reorientation transition and magneto-optical effect, especially the terahertz magnetic response,...
