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Article
Hot deformation behavior and microstructure evolution of GH3536-TiB2 composites fabricated by powder metallurgy
The hot deformation behavior and microstructure evolution of GH3536-TiB2 composites fabricated by powder metallurgy (PM) were examined in the temperature range of 950–1150°C and strain rate range of 0.001–1 s−1. ...
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Article
Hot compression deformation characteristics of TiBw/Ti65 composites for high-temperature application
Ti–5.9Al–4.0Sn–3.5Zr–0.5Mo–0.3Nb–1.0Ta–0.4Si–0.8W–0.05C (Ti65) alloy is a high-temperature titanium alloy designed for service at 650 °C. To further improve the elevated temperature mechanical performance of T...
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Article
Open AccessOrigin of the light-induced spin currents in heavy metal/magnetic insulator bilayers
Light-induced spin currents with the faster response is essential for the more efficient information transmission and processing. Herein, we systematically explore the effect of light illumination energy and d...
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Article
Open AccessUltra-narrowband and rainbow-free mid-infrared thermal emitters enabled by a flat band design in distorted photonic lattices
Most reported thermal emitters to date employing photonic nanostructures to achieve narrow bandwidth feature the rainbow effect due to the steep dispersion of the involved high-Q resonances. In this work, we p...
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Article
Fatigue Crack Initiation and Propagation Dominated by Crystallographic Factors in TiB/near α-Ti Composite
Discontinuously reinforced titanium matrix composites (DRTMCs) with a network structure have been extensively researched due to their superior combination of strength and ductility. However, their fatigue perf...
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Article
Acoustic resonances in non-Hermitian open systems
Acoustic resonances in open systems, which are usually associated with resonant modes characterized by complex eigenfrequencies, play a fundamental role in manipulating acoustic wave radiation and propagation....
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Article
Bound states in the continuum in all-dielectric metasurfaces with scaled lattice constants
Bound states in the continuum (BICs) have emerged as an efficient tool for trap** light at the nanoscale, promising several exciting applications in photonics. Breaking the structural symmetry has been propo...
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Article
Improving flexural strength of Ti2C-Ti cermet by hot compressive deformation: Microstructure evolution and fracture behaviors
In order to improve the microstructure and mechanical properties, the hot compressive deformation with 50% height reduction at 1100·C was conducted on a Ti2C-Ti cermet. The results showed that the lamellar Ti pre...
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Article
Open AccessRealistic prediction and engineering of high-Q modes to implement stable Fano resonances in acoustic devices
Quasi-bound states in the continuum (QBICs) coupling into the propagating spectrum manifest themselves as high-quality factor (Q) modes susceptible to perturbations. This poses a challenge in predicting stable...
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Article
Open AccessUltrahigh-Q guided mode resonances in an All-dielectric metasurface
High quality(Q) factor optical resonators are indispensable for many photonic devices. While very large Q-factors can be obtained theoretically in guided-mode settings, free-space implementations suffer from v...
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Article
Open AccessPhotonic slide rule with metasurfaces
As an elementary particle, a photon that carries information in frequency, polarization, phase, and amplitude, plays a crucial role in modern science and technology. However, how to retrieve the full informati...
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Article
Open AccessSound trap** in an open resonator
The ability of sound energy confinement with high-quality factor resonance is of vital importance for acoustic devices requiring high intensity and hypersensitivity in biological ultrasonics, enhanced collimat...
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Article
Open AccessGeometry symmetry-free and higher-order optical bound states in the continuum
Geometrical symmetry plays a significant role in implementing robust, symmetry-protected, bound states in the continuum (BICs). However, this benefit is only theoretical in many cases since fabricated samples’...
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Article
Microstructure evolution and improved properties of laminated titanium matrix composites with gradient equiaxed grains
With the purpose of improving both the strength and ductility, gradient equiaxed grains were successfully achieved in the matrix of the laminated TiB/Ti-TiB/Ti-6.58Al-1.76Zr-1.04V-0.89Mo composite via water qu...
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Article
Correction to: Network-Strengthened Ti-6Al-4V/(TiC+TiB) Composites: Powder Metallurgy Processing and Enhanced Tensile Properties at Elevated Temperatures
In the original article, there is an error in Figure 1. The unit of Specific strength should be MPa/(g•cm-3). Following is the corrected figure:
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Article
Interfacial reaction mechanism of TiBw/Ti6Al4V composites and Inconel 718 alloys by GTAW heat transmission
A good joint of TiBw/Ti6Al4V composites and Inconel 718 alloys was obtained by Gas Tungsten Arc Welding (GTAW) heat transmission. The interfacial reaction mechanism of joint was investigated and analyzed in de...
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Article
Synthesis and Fracture Characteristics of TiB2-TiAl Composites with a Unique Microlaminated Architecture
Microstructural evolution of as-rolled (TiB2/Al)-Ti laminates in the process of multistep heat treatments and microstructural characteristics of the resulting TiB2-TiAl composites were investigated in detail by s...
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Article
Network-Strengthened Ti-6Al-4V/(TiC+TiB) Composites: Powder Metallurgy Processing and Enhanced Tensile Properties at Elevated Temperatures
Starting with graphite, TiB2, and Ti-6Al-4V powders, the present work demonstrated that hybrid (TiC+TiB) network-strengthened Ti-6Al-4V—based composites can be fabricated via an integrated low-energy ball-milling...
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Article
Open AccessSub-stoichiometry-facilitated oxidation kinetics in a δ-TixC-doped Ti-based alloy
Titanium carbide has been widely considered as a stabilizer to alleviate the serious chemical activity of Ti-based alloys at elevated temperatures. However, a reverse effect may also take place: we show the su...
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Article
Evolution of microstructure and high temperature tensile properties of as-extruded TiBw reinforced near-α titanium matrix composite subjected to heat treatments
The TiBw reinforced near-α titanium matrix composite (Ti-5.8Al-3.4Zr-4.0Sn-0.4Mo-0.4Nb-0.4Si-0.06C) was successfully synthesized by powder metallurgy and hot extrusion route. The effects of solution and aging ...
