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1061
Numerical Simulation of Dendrite Motion Fidelity Based on the Interface Capture Method
Published 2023-01-01“…During alloy solidification, many free grains in the melt have important effects on the final microstructure and composition distributions. In this paper, grain motion is calculated based on an interface tracking method coupled with a cellular automata (CA) method. …”
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1062
Study on Vacuum Brazing Technology of Polycrystalline Diamond and High Speed Steel
Published 2021-07-01“…Finally, the microhardness of post weld solder layer, microstructure of bonding interface and distribution of solder elements were analyzed by microhardness tester, three-dimensional digital microscope and energy dispersive spectrometer. …”
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1063
Advances in YIG thin films: Deposition strategies and substrate effects
Published 2025-07-01“…However, achieving high-quality YIG films with optimized microstructure and minimal defects remains a significant challenge. …”
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1064
Preparation of SiC/Al2O3 composite materials from coal fly ash
Published 2016-06-01“…By using coal fly ash as a raw material and graphite as a reducer in the protective atmosphere of argon,SiC/Al2O3 composite materials were synthesized by carbothermal reduction.The reaction process of reduction of the coal fly ash was studied,and its influencing factors were investigated.The composition of products obtained at different temperatures was analyzed by X-ray diffraction,and the microstructure was observed by scanning electron microscopy and energy dispersive spectroscopy.The results show that the phases of quartz and mullite in the coal fly ash are almost completely reactive at 1673 and 1773 K,respectively.With increasing temperature,the contents of SiC and Al2O3 increase,and the suitable temperature condition is 1773 to 1873 K.The extension of holding time is good for the formation of SiC and Al2O3,and the appropriate holding time is 3 to 4 h.Increasing the carbon content has positive effect on the formation of SiC and Al2O3,and the optimum molar ratio of C/Si is 4 to 5.In the prepared SiC/Al2O3 composite materials,SiC is homogeneously dispersed in the products,and its granularity is less than 20 μm.…”
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1065
Comparative characterization of FDM structures with electrically-conductive sensing elements under static, dynamic and thermal loads
Published 2025-07-01“…In this study, we investigate the static, dynamic, and thermal behavior of two composite filaments. The microstructure of the feedstock materials was analyzed using scanning electron microscopy (SEM) to establish a correlation between material composition and component behavior. …”
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1066
An Improved Design for Solar-Blind AlGaN Avalanche Photodiodes
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1067
The Effect of Final Cooling Temperature on Nano Cu Precipitation in a Cu-Bearing High-Strength Low-Alloy Steel
Published 2025-02-01“…The changes in microstructure and the phase transformation law of austenite were determined during continuous cooling and then analyzed. …”
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1068
Effect of Welding Process on the Sulfide Stress Corrosion Susceptibility of Q345R
Published 2021-04-01“…The microstructure and mechanical properties of Q345R welded by the two welding processes were analyzed by SEM and vickers hardness tester. …”
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1069
Droplet-on-demand and direct deposition of bumps based on pulsated orifice ejection method
Published 2025-04-01“…The surface morphology and microstructure, composition, and phase composition of the solder ball are analyzed. …”
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1070
Mechanical behavior of NiCr and NiCrTi alloys for implant prosthetic components
Published 2013-06-01“…Purpose: The aim of this study was to evaluate the tensile and hardness mechanical properties, as well as the composition and microstructure of three different alloys used for implant prosthestic components casting. …”
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1071
Technology of Laser Cladding Ceramics on Heat Resistant Steel Surface
Published 2020-02-01“…Heat resistance steel type of H13 is used for the aircraft structure parts whose working temperature is 400~500℃ Moreover, it is required to wear resistance for the parts in some special service environments In order to solve the problem of wear failure in hot work dies during service, a low power laser type of Nd:YAG was used to cladding SiC ceramics on the surface of H13 steel The macroscopic feature, microstructures and compositions were observed by the metalloscope, scanning electron microscope and energy depressive spectroscopy Experimental results indicated that that the cross sections of the cladding sample were markedly divisional (Clad Zone, Fusion zone, Heataffected zone, Substrate Zone) The microstructure of cladding layer is nondirectional and compact, without obvious crack and porosity and with good performance The homogeneous microstructure of bonding layer is dendrite and equiaxed grain with small size, and the massive columnar crystal grew from the bond line of H13 steel substrate to fusion zone The wear resistance of laser cladding ceramics on heat resistance steel surface is analyzedBesides, a through crack appeared after the scanning speed up to 40mm/min、60mm/min on the cladding layer as the hard and brittle characteristic of SiC ceramics and the difference of thermal expansion coefficient between SiC ceramics and substrate; The above research results provide some theoretical support for improving the surface wear resistance of aircraft heatresistant parts.…”
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1072
Stochastic parametric skeletal dosimetry model for humans: Anatomical-morphological basis and parameter evaluation.
Published 2025-01-01“…Data on the duration of hematopoiesis in various parts of the skeleton; and data on age-related changes in the microstructure and linear dimensions of human bones and their segments were analyzed. …”
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1073
Spherical molybdenum powders prepared by pulse laser wire cutting
Published 2022-06-01“…The formation mechanism of molybdenum particles and internal holes is preliminarily analyzed.…”
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1074
Fractality of Fractures of Aluminum and Titanium Alloys Irradiated by Intensive Electron Beam
Published 2016-10-01“…The irradiation resulted in significant changes of the microstructure parameters (i.e. grain size, damage character). …”
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1075
Influence of Lithography Process Parameters on Continuous Surface Diffractive Optical Elements for Laser Beam Shaping
Published 2025-05-01“…The fabrication process is described in detail, and the influence of key parameters, such as pre-baking conditions, exposure gaps, development conditions, and post-baking conditions, of the lithography process on the microstructure profile of the DOE is analyzed. The reliability of the preparation method was verified through optical performance experiments. …”
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1076
A Study on the Mechanical Properties of the Representative Volume Element in Fractal Porous Media
Published 2017-01-01“…Natural porous structure is extremely complex, and it is of great significance to study the macroscopic mechanical response of the representative volume element (RVE) with the microstructure of porous media. The real porous media RVE is generated by an improved quartet structure generation set (QSGS), and the connectivity of the reconstructed porous media models is analyzed. …”
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1077
Investigation on Mechanical Properties of GH4720Li at High Strain Rates at Wider Temperature Range
Published 2021-01-01“…The difference of mechanical properties of GH4720Li alloy under high and low strain rates was analyzed from the perspective of microstructure. The hot compression test experimental results showed that the true stress of GH4720Li alloy decreased at a low strain rate as the trial temperature elevated. …”
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1078
The Effect of Addition Amount of Chromium Iron on the Bonding Strength between Alloy Steel Surfacing Layer and Steel Base Metal
Published 2024-04-01“…The composition and microstructure changes of the surfacing layer were tested and analyzed. …”
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1079
Investigation of Mechanical Properties of Biodegradable AZ31 Magnesium Alloys with Calcium Addition
Published 2025-05-01“…The specimens were made according to ASTM standards to perform tensile, compressive, and hardness tests. The microstructure and surface morphology of the alloys were analyzed using the images obtained from the optical microscope and scanning electron microscope (SEM) + EDAX. …”
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1080
Modelling Gas Transport in Multiphasic Materials: Application to Semicrystalline Membranes
Published 2025-03-01“…The flux reduction across the microstructures generated due to the presence of impermeable crystals was calculated by solving local mass balance through a finite volume method. …”
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