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Article
Improvement of impact properties of Al–Si–Mg alloy via solution treatment and joint modification with Sr and La
An effort to obtain superior impact properties for Al-7Si-0.35 Mg alloy is presented, where modification with 0.02 wt% Sr and 0.1 wt% La as well as solution treatment was jointly employed. The samples were sol...
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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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Chapter and Conference Paper
A Comprehensive Well Productivity Evaluation Approach and Sensitivity Analysis for a HPHT Ultra-deep Water Gas Reservoir
Well testing in ultra-deep water reservoirs is crucial for well productivity evaluation, whereas well testing time is very limited due to rig days concerns, safety and drillship well testing equipment constrai...
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Chapter and Conference Paper
Development Sequence Optimization of Fault-Block Oilfields Based on the Back Propagation Neural Network Model Improved by Imperial Competition Algorithm
A well-defined development sequence of each fault block in a fault-block oilfield is the prerequisite for field development plan design. Where there are very few fault-block oilfields, the method of numerical ...
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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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Chapter and Conference Paper
Method for Width Determination of Underwater Distributary Channels with Large Well Spacing: A Case Study of S Oilfield, Niger
S oilfield is located in the hinterland of Sahara Desert, which is a complex fault block reservoir. Large well spacing and insufficient outcrop and core data give rise to lots of uncertainty when the empirical...
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Chapter and Conference Paper
Application of Water Injection Development Evaluation Indexes for Radar Chart Analysis in Overseas Oilfields
For lots of overseas oilfields, in order to objectively, quickly and effectively evaluate the oilfield water injection development effect and fully reflect the oilfield water injection situation, it is necessa...
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Chapter and Conference Paper
Accumulation Model and Integrated Prediction of Small Isolated Reservoirs in a Strongly Inverted Basin
The strongly inverted basin has the characteristics of complex geological conditions. The inversion tectonic activity causes strata erosion, reservoir uplift, basement weathering and scattered sand bodies, whi...
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Chapter and Conference Paper
The Numerical Well Testing Study of Partially Sealing Fault Boundary Characteristics in Basement Reservoir
From the perspective of today’s analytical well test analysis, the partially sealing fault can only be described by conductivity parameters as a boundary feature. There is no direct correlation to the charact...
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Chapter and Conference Paper
High-Resolution Sequence Stratigraphy in the Member of Prosopis I in Baobab N Oilfield, Chad
Aiming at the problems existing in the correlation of delta front reservoirs in the B oilfield of the Bongor basin in Chad, such as serious excavation, rapid lateral change of sand body, and lacking of maker l...
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Article
Phase-field–lattice Boltzmann simulation of dendrite growth under natural convection in multicomponent superalloy solidification
The thermosolutal convection can alter segregation pattern, change dendrite morphology and even cause freckles formation in alloy solidification. In this work, the multiphase-field model was coupled with latti...
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Article
A model for simulation of recrystallization microstructure in single-crystal superalloy
In the present investigation, a coupled crystal plasticity finite-element (CPFE) and cellular automaton (CA) model was developed to predict the microstructure of recrystallization in single-crystal (SX) Ni-bas...
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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
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,...
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Article
Simulation of the Dendrite Morphology and Microsegregation in Solidification of Al–Cu–Mg Aluminum Alloys
Since most typical alloys in industrial applications are multicomponent with three or more components, and various CA models proposed in the past mainly focus on the binary alloys, a two-dimensional modified c...
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Article
X-ray crystal structure of cytochalasin D produced by Tubercularia sp., a novel endophytic fungus of Taxus mairei
The crystal structure of cytochalasin D, which was isolated from Tubercularia sp., a novel endophytic fungus of Taxus mairei, and cocrystallized with dimethyl sulfoxide, is reported. The title compound crystalliz...
