168 Result(s)
within
Fu-**ao Zhang
Engineering
-
Article
Effect of Al content in molten steel on interaction between MgO–C refractory and SPHC steel
The effect of Al content in molten steel on the interaction between SPHC steel (0.005–0.068 wt.% Als and 19 × 10−4–58 × 10−4 wt.% O) and MgO–C refractory (11.63 wt.% C) was investigated. Non-metallic inclusions i...
-
Article
Static recrystallization behaviors and mechanisms of 7Mo super-austenitic stainless steel with undissolved sigma precipitates during double-stage hot deformation
Static recrystallization (SRX) behaviors and corresponding recrystallization mechanisms of 7Mo super-austenitic stainless steel were studied under different deformation conditions. The order of influence of de...
-
Article
Multi-physical fields distribution in billet during helical electromagnetic stirring: A numerical simulation research
Electromagnetic stirring is one of the widely applied techniques to modify the quality of casting billets. Different from conventional rotate stirring, the helical stirring is more professional in assisting mu...
-
Article
Responses of Buried Pipelines to Tunnelling Underneath Considering Effect of Gap Formation: An Analytical Approach
A gap formation underneath pipelines could be observed during tunneling beneath existing buried pipelines, thus altering the pipeline-soil interaction behavior. However, the most existing analytical approaches...
-
Article
Microscopic Mechanisms and Acoustic Emission Characteristics of Sandy Mudstone under Different Water Saturations
In order to study the damage mechanism of surrounding rocks under water-rock coupling, an experimental study on the microscopic law of water absorption and mechanics of sandy mudstone was carried out in the sa...
-
Article
Open AccessEngineering Fe-N4 Electronic Structure with Adjacent Co-N2C2 and Co Nanoclusters on Carbon Nanotubes for Efficient Oxygen Electrocatalysis
Engineering Fe-N4 electronic structure with adjacent Co-N2C2 and Co sub-nanoclusters to optimize the electronic structure of the Fe-N4 active center is first demonstrated.
... -
Article
Stage identification and process optimization for fast drilling EDM of film cooling holes using KBSI method
Fast drilling electrical discharge machining (EDM) is widely used in the manufacture of film cooling holes of turbine blades. However, due to the various hole orientations and severe electrode wear, it is rela...
-
Article
Epimedium Herbal Residue as a Bulking Agent for Lignite and Spent Mushroom Substrate Co-composting
This study aimed to assess Epimedium herba residue (EHR) as a bulking agent for lignite and spent mushroom substrate (SMS) co-composting to develop a soil amendment/fertilizer as an alternative to current mana...
-
Article
Mechanisms of interfacial reactions between 316L stainless steel and MnO–SiO2 oxide during isothermal heating
Diffusion couple experiments were performed to study the thermodynamic and kinetic mechanisms of interfacial reactions between the 316L stainless steel and the composite MnO–SiO2 oxide during isothermal heating a...
-
Article
Effect of feeding parameters on ingot segregation and shrinkage pore in vacuum arc remelting
The feeding parameters in the final stage of vacuum arc remelting process obviously affect the solute segregation and shrinkage pore depth. Coupled with the electromagnetic field, fluid flow, and solute transp...
-
Article
Influence of mechanical reduction amount on internal quality of continuous casting billets by thermal and numerical simulation
With establishment of thermal and numerical simulation models, the influence of reduction amount on solidification structure, segregation and shrinkage porosity of continuous casting (CC) billets was investiga...
-
Article
Experimental Study on Conversion Characteristics of Dual-Mode OWC Models Appropriate for Voyaging
Freely movable wave energy converters (WECs) will greatly improve their adaptability to the marine environment. In this paper, a dual-mode oscillating water column (OWC) WEC with potential sailing capability i...
-
Article
Numerical and analytical study on active earth pressure against inverted T-type retaining walls rotating about the base
This paper investigates the active earth pressure of inverted T-type retaining walls under rotational mode using a slip-line method for the typical failure mechanism simulated with adaptive finite element softwar...
-
Article
Unsteady state precipitation of M23C6 carbides during thermal cycling in reduced activation steel manufactured by laser melting deposition
The temperature field distribution and thermal history of Fe-9Cr2WVTa reduced activation steel prepared by laser melting deposition (LMD) have been calculated with Gaussian and Ring laser beams, and the nuclea...
-
Article
Numerical study of the kinematic and acoustic characteristics of bubble clusters
Direct numerical simulations are performed to study single gas/vapor bubble and spherical bubble clusters containing 13–352 vapor bubbles in compressible flow fields. The numerical results show that the single...
-
Chapter and Conference Paper
Lightweight Design of Underwater Vehicle Pressure Shell Based on Kriging Model
In order to realize the lightweight design of the underwater vehicle (UUV) pressure shell, a mathematical model was established based on the finite element analysis results of the structure, which took the min...
-
Chapter and Conference Paper
Random Design and Quadratic Programming Detection of Cayley Code in Large MIMO System
Cayley code can assure high rate transmission without channel estimation in Large multi-input and multi-output (MIMO) system, but it lacks systematic design and feasible detection method. In this paper, we pro...
-
Chapter and Conference Paper
Cause Analysis and Countermeasures of Low-Production and Low-Efficiency Pum** Wells in Y Oilfield
With continuous development, the proportion of low-production and low-efficiency wells in Y Oilfield increases year by year. Up to now, there have been more than 9,000 low-production and low-efficiency pum**...
-
Chapter and Conference Paper
Research on the Technology of Improving Flowback Performance of Fracturing Cleanup Additive
In order to enhance the flowback efficiency of fracturing fluid in the formation, improve the effect of oil well fracturing stimulation; we closed the more expensive non – ionic fracturing cleanup additive FT ...
-
Article
Stress wave propagation attenuation law and energy dissipation characteristics of rock-barrier-coal composite specimen under dynamic load
The active attenuation method of rockburst stress wave is an important research problem in coal roadway safety control. In this study, the strengths of different propagation media were analyzed and a new type ...
