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Article
Synergistic effect of Gd and Sr on the microstructure and mechanical properties of Al–Si–Mg alloy
Al–Si–Mg alloys have received widespread application in communication, transportation and other fields on account of their attractive properties, e.g. superior castability, high ductility and excellent corrosi...
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Article
Effect of water vapor on the oxidation behavior of Al2Zr alloys
To reveal the effects of water vapor on the oxidation mechanism of Al–Zr-based materials, the Al2Zr alloy was oxidized in a wet atmosphere. Water vapor achieves the synchronous oxidation of Al and Zr to form amor...
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Article
Precipitates evolution and strengthening of Al–Mg2Si alloys containing high-Cu contents during ageing process
Precipitation evolution and strengthening effect of Al-15wt%Mg2Si-5wt%Cu alloy were studied by characterizing the change of morphology and tensile properties after ageing at 200 °C for various times. At the under...
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Article
Effect of microstructure on temperature dependence of deformation behavior in polycrystalline CoNi-based superalloy
The initial microstructures with the unimodal and bimodal size distribution of γ′ precipitates (referred to as UD and BD, respectively) in CoNi-based superalloy are obtained utilizing different heat treatment reg...
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Article
Nanoscale segregation mechanism of cation dopant at the matrix/oxide interface in oxide dispersion-strengthened alloys
The current study has demonstrated that cation dopant segregation at matrix/oxide interface opened up a new route to refine and disperse secondary oxide particles in oxide dispersion-strengthened (ODS) alloys....
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Article
One-step hydrothermal synthesis of a flexible nanopaper-based Fe3+ sensor using carbon quantum dot grafted cellulose nanofibrils
Photoluminescent flexible nanopaper-based Fe3+ sensors were fabricated by carbon quantum dot (CQD) grafted oxidized cellulose nanofibrils (OCNF). Transparent and tunable luminescent CQD–OCNF nanopapers were facil...
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Article
Precipitation and growth behavior of γ′ phase in Ni3Al-based superalloy under thermal exposure
Precipitation and growth behavior of γ′ (Ni3Al) phase are crucial to evaluate the service stability of superalloys. In this work, precipitation and growth mechanisms of γ′ phase in different areas of a newly desi...
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Article
Formation mechanisms of Y–Al–O complex oxides in 9Cr-ODS steels with Al addition
For the Al-alloyed 9Cr-ODS steels consolidated by spark plasma sintering and annealed at 800 °C, the Y–Al–O oxides, interface structure and orientation relationships between the oxides and the matrix are studi...
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Article
Helium bubble evolution and deformation of single crystal α-Fe
To investigate irradiation-induced embrittlement, molecular dynamics (MD) simulations were applied to explore helium (He) bubble evolution and deformation of single crystal α-Fe. The results show, at 800 K, fo...
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Article
Anti-freezing asphalt concrete: ice-adhesion performance
Because of its excellent ability to melt ice, numerous studies have praised anti-freezing asphalt concrete (AFAC) as a potential replacement for deicing agents. In this paper, we studied the ice-disbonding abi...
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Article
Acicular ferrite formation during isothermal holding in HSLA steel
Microstructural observation and high-resolution dilatometry were employed to investigate acicular ferrite formation during isothermal holding in the HSLA steel. A decrease in isothermal temperature suppresses ...
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Article
Thermodynamic and kinetic evidence for MgO formation and pinning behavior in glycine-doped MgB2 bulks
The formation and role of MgO impurity phase in the glycine (Gly; C2H5NO2)-doped MgB2 were investigated by preparing the samples from multiple routes. On the contrary to the observation that the dielectric MgO ag...
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Article
Studies on high-temperature thermal transformation and dielectric property of aluminum–chromium phosphates
High-temperature thermal transformation of aluminum–chromium phosphates has been investigated by means of DSC–TG, IR, and XRD analysis. The relative dielectric constant and thermal decomposition were measured ...
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Article
Synthesis and Thermodynamic Properties of Rosin-Based Cationic Gemini Surfactants
A series of rosin-based cationic gemini surfactants with different spacer length (n = 2, 3, 4) were synthesized and characterized. Surface activity and micellization parameters including the critical micelle con...
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Article
The effect of ball-milling treatment of original powders on the sintering process and critical current density of graphite-doped MgB2 bulks
In present study, the sintering process and superconducting properties of MgB2 prepared with milled original powders of Mg, B, and 3 at.% Graphite were investigated. It was found that ball-milling treatment of or...
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Article
Microstructural evolution of oxide-dispersion-strengthened Fe–Cr model steels during mechanical milling and subsequent hot pressing
Oxide-dispersion-strengthened (ODS) ferritic steels of Fe–9Cr–0.3Y2O3 and Fe–9Cr–0.2Ti–0.3Y2O3 (in mass) incorporating nanoscale oxide particles, were produced by mechanical milling (MM) followed by hot pressing ...
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Article
The isochronal δ → γ transformation of high Cr ferritic heat-resistant steel during cooling
Thermal simulation technology was employed to investigate phase transformation in heat-affected zones (HAZ) of high Cr ferritic heat-resistant steel. The simulated continuous cooling transformation diagram was...
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Article
Preparation and characterization of polystyrene (PS)/layered double hydroxides (LDHs) composite by a heterocoagulation method
Polystyrene (PS)/layered double hydroxides (LDHs) composites were prepared for the first time from LDHs aqueous suspension and PS emulsion by electrostatic assembly. The morphology characterization based on XR...
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Article
Improved analytical model for isochronal transformation kinetics
Analytical model for isochronal phase transformation kinetics attracts much attention for its advantages and importance. However, the simple but exact analytical formula of the isochronal transformation is una...
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Article
Formation of MgO whiskers on the surface of bulk MgB2 superconductors during in situ sintering
Magnesium oxide (MgO) whiskers (with diameters of about 60–80 nm) formed on the surface of bulk polycrystalline MgB2 superconductor at a relative low temperature (720 °C) during in situ sintering process. The rea...