9 Result(s)
within
**g-Yan Xu
Engineering
English
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Article
Numerical simulation of microstructure and microporosity morphology in directional solidification of aluminum-copper alloys: Effect of copper content and withdrawal rate
Microporosity formed in the solidification process of Al alloys is detrimental to the alloy properties. A two-dimensional cellular automaton (CA) model was developed to simulate the microstructure and micropor...
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Article
Exploring the effect of cooling rate on non-isothermal crystallization of copolymer polypropylene by fast scanning calorimetry
Polypropylene is commonly used as a binder for ceramic injection molding, and rapid cooling is often encountered during processing. However, the crystallization behavior of polypropylene shows a strong depende...
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Article
Droplet morphology analysis of drop-on-demand inkjet printing
As an accurate 2D/3D fabrication tool, inkjet printing technology has great potential in preparation of micro electronic devices. The morphology of droplets produced by the inkjet printer has a great impact on...
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Article
On establishment of novel constitutive model for directionally solidified nickel-based superalloys utilizing machine learning methods
To enhance the accuracy of mechanical simulation in the directional solidification process of turbine blades for heavy-duty gas turbines, a new constitutive model that employs machine learning methods was deve...
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Article
Effects of process parameters on dimensional precision and tensile strength of wax patterns for investment casting by selective laser sintering
Turbine blades, produced by the directional solidification (DS) process, often require high dimensional accuracy and excellent mechanical properties. A critical step in their production is the fabrication of w...
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Article
Tensile behavior of Ti-6Al-4V alloy fabricated by selective laser melting: effects of microstructures and as-built surface quality
Selective laser melting (SLM) is a powerful additive manufacturing (AM) technology, of which the most prominent advantage is the ability to produce components with a complex geometry. The service performances ...
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Article
Numerical simulation on vacuum solution heat treatment and gas quenching process of a low rhenium-containing Ni-based single crystal turbine blade
Numerical heat-transfer and turbulent flow model for an industrial high-pressure gas quenching vacuum furnace was established to simulate the heating, holding and gas fan quenching of a low rhenium-bearing Ni-...
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Article
Optimization of flow control devices for a T-type five-strand billet caster tundish: water modeling and numerical simulation
The optimization of flow control devices (FCDs) for a T-type five-strand billet caster tundish was carried out by water modeling and numerical simulation. In water modeling experiments, flow characteristics of...
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Article
Modeling of aluminum-silicon irregular eutectic growth by cellular automaton model
Due to the extensive application of Al-Si alloys in the automotive and aerospace industries as structural components, an understanding of their microstructural formation, such as dendrite and (Al+Si) eutectic,...
