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Starting from September 2010,
PolyU Adopts Open Access Policy in Support of Open and Unrestricted Access to Published Research.
Modeling, analysis, and validation of an active T-shaped noise barrier
With ever-increasing land traffic, abatement of traffic noise using noise barriers remains significant, yet it is a challenging task due to spatial competition with other infrastructure. In this st...
Current market development of energy performance contracting : a comparative study between Hong Kong and Taiwan
Purpose – The purpose of this paper is to investigate the current market development of Energy Performance Contracting (EnPC) in Hong Kong and Taiwan, focussing on four key aspects: first, the pote...
Static electropulsing-induced phase transformations of a cold-deformed ZA27 alloy
Static electropulsing-induced phase transformations of a cold-drawn ZA27 alloy wire were studied by using x-ray diffraction, backscattered scanning electron microscopy, and electron backscattered d...
Electropulsing-induced G-texture evolution in a deformed Fe–3%Si alloy strip
Electropulsing-induced evolution of texture during recrystallization of Fe–3%Si alloy strip was studied using electron backscattered diffraction and x-ray diffraction techniques. Under electropulsi...
Dielectric relaxations of high-k poly(butylene succinate) based all-organic nanocomposite films for capacitor applications
High-dielectric constant all-organic composite films consisting of polyaniline (PANI) filler and poly(butylene succinate) host were synthesized by simple blending process. The chemical structures a...
Revelation of the effect of structural heterogeneity on microplasticity in bulk metallic-glasses
In this article, the shear-banding behavior in bulk metallic-glasses (BMGs) is studied using a focused ion beam (FIB)-based nanoindentation method, which involves cylindrical nanoindentation of a F...
Further analysis of energy-based indentation relationship among Young’s modulus, nominal hardness, and indentation work
In our previous study, we modeled the indentation performed on an elastic–plastic solid with a rigid conical indenter by using finite element analysis, and established a relationship between a nomi...
Fiber metallic glass laminates
The fabrication and properties of fiber metallic glass laminates (FMGL) composite composed of Al-based metallic glasses ribbons and fiber/epoxy layers were reported. The metallic glass composite po...
Control of iron nitride formation by a high magnetic field
The influence of high magnetic field on nitriding behavior was investigated in a mixture of NH₃ and H₂. It was found that high magnetic field could shift the equilibrium of nitriding reaction; this...
Thermal stability and corrosion resistance of nanocrystallized zirconium formed by surface mechanical attrition treatment
The thermal stability and corrosion behavior of the nanostructured layer on commercially pure zirconium, produced by surface mechanical attrition treatment (SMAT), were investigated. It is indicate...
Sputtering pressure dependence of hydrogen-sensing effect of palladium films
The electrical resistivity ρ of palladium (Pd) films prepared by using magnetron sputtering at different pressures φ ranging from 2 to 15 mTorr showed very different hydrogen (H)-induced response. ...
Room-temperature hydrogen-induced resistivity response of Pd/Mg–Ni films
The structure and the response of the effective electrical resistivity 〈ρ〉 in hydrogenation–dehydrogenation processes of palladium-coated/magnesium-nickel (Pd/Mg–Ni) films were investigated as func...
Orientation relationships between TiB (B27), B2, and Ti₃Al phases
The orientation relationships among TiB (B27), B2, and Ti₃Al phases have been investigated by transmission electron microscopy. By using the composite selected-area electron diffraction technique, ...
Improved ductility of aged Mg-9Al-1Zn alloy strip by electropulsing treatment
The effect of electropulsing treatment (EPT) on the microstructure and mechanical properties of aged Mg-9Al-1Zn alloy strip was studied. EPT was found to accelerate tremendously the β phase spheroi...
Electropulsing-induced phase transformations in a Zn–Al-based alloy
Microstructural changes and phase transformations of an electropulsing-treated (EPT) ZA22 alloy wire were studied using scanning electron microscopy and transmission electron-microscopy techniques....
Effects of sample geometry on deformation modes of bulk metallic glasses at the nano/micrometer scale
Intense debates have been prompted concerning whether homogeneous deformation can be achieved in bulk metallic glasses at room temperature through the suppression of shear bands at the submicron sc...
Deformation-induced ambient temperature α-to-β phase transition and nanocrystallization in (α + β) titanium alloy
Ambient temperature α-to-β phase transition and nanocrystallization in the aged Ti–25Nb–3Mo–3Zr–2Sn titanium alloy was achieved by surface mechanical attrition treatment (SMAT). The phase transitio...
Deformation behavior and indentation size effect in amorphous and crystallized Pd₄₀Cu₃₀Ni₁₀P₂₀ alloy
The deformation behavior and indentation size effect (ISE) in amorphous and crystallized Pd₄₀Cu₃₀Ni₁₀P₂₀ alloy were comparatively studied through instrumented nanoindentation. It was found that the...
Can Young’s modulus and hardness of wire structural materials be directly measured using nanoindentation?
In recent studies, nanoindentation experiments combined with the Oliver and Pharr method (OP method) are frequently used to measure the mechanical properties of “one-dimensional” structural materia...
Electronic structure and chemical bonding of α - and β-Ta₄AlC₃ phases : full-potential calculation
First-principles total-energy and heat of formation calculations on α and β polymorphs of Ta₄AlC₃ have been made with a full-potential electronic structure program with the generalized gradient app...
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