Hongyu Qi
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View article: Assessment of the Measured Mixing Time in a Water Model of Asymmetrical Gas-Stirred Ladle with a Low Gas Flowrate Part II: Effect of the Salt Solution Tracer Volume and Concentration
Assessment of the Measured Mixing Time in a Water Model of Asymmetrical Gas-Stirred Ladle with a Low Gas Flowrate Part II: Effect of the Salt Solution Tracer Volume and Concentration Open
Mixing time, as a key parameter for evaluating ladle refining efficiency, has long attracted extensive attention from researchers. In typical experimental studies, salt solution tracers are introduced into ladle water models to assess the …
View article: Influence of Specimen Thickness on Fatigue Crack Growth at High Temperature Under Mixed‐Mode Loading
Influence of Specimen Thickness on Fatigue Crack Growth at High Temperature Under Mixed‐Mode Loading Open
The high‐temperature components of aeroengines operate under high‐temperature and fatigue‐loading conditions, resulting in complex crack‐related issues. This study presents fatigue crack growth (FCG) experiments under mixed‐mode loading pe…
View article: Assessment of Measured Mixing Time in a Water Model of Eccentric Gas-Stirred Ladle with a Low Gas Flow Rate: Tendency of Salt Solution Tracer Dispersions
Assessment of Measured Mixing Time in a Water Model of Eccentric Gas-Stirred Ladle with a Low Gas Flow Rate: Tendency of Salt Solution Tracer Dispersions Open
The measurement of mixing time in a water model of soft-stirring steelmaking ladles is practically facing a problem of bad repeatability. This uncertainty severely affects both the understandings of transport phenomenon in ladles and the m…
View article: Effect of Salt Solution Tracer Dosage on the Transport and Mixing of Tracer in a Water Model of Asymmetrical Gas-Stirred Ladle with a Moderate Gas Flowrate
Effect of Salt Solution Tracer Dosage on the Transport and Mixing of Tracer in a Water Model of Asymmetrical Gas-Stirred Ladle with a Moderate Gas Flowrate Open
In previous research simulating steelmaking ladles using cold water models, the dosage/volume of the salt tracer solution is one of the factors that has been overlooked by researchers to a certain extent. Previous studies have demonstrated…
View article: Investigation of the Influence of Thickness on the Mixed-Mode Fatigue Crack Growth in a Nickel-Based Superalloy
Investigation of the Influence of Thickness on the Mixed-Mode Fatigue Crack Growth in a Nickel-Based Superalloy Open
View article: Peridynamic Method for Simulating Damage Evolution of Thermal Barrier Coatings in Aero-Engine Turbine Blades
Peridynamic Method for Simulating Damage Evolution of Thermal Barrier Coatings in Aero-Engine Turbine Blades Open
View article: The effect of salt tracer dosage on the transport and mixing in a water model of gas stirred ladle with a moderate gas flow rate
The effect of salt tracer dosage on the transport and mixing in a water model of gas stirred ladle with a moderate gas flow rate Open
In water model studies of mixing in ladles, the used salt tracer dosage is somehow neglected. It was reported that the salt tracer might influence the fluid flow and measured mixing time in water models. This study focuses on the effect of…
View article: Experimental Study on Emulsion Explosive Blasting under Different Under-Water Pressure
Experimental Study on Emulsion Explosive Blasting under Different Under-Water Pressure Open
This paper aims to study the effects of different water depths on the properties of emulsion explosives by use of an emulsion explosive underwater explosion test system for different hydrostatic pressure under the condition of 0.2% sodium …
View article: Effect of Perlite Content on Performance of Emulsion Explosive in Under-Water Environment
Effect of Perlite Content on Performance of Emulsion Explosive in Under-Water Environment Open
Emulsion explosive has been widely used in underwater blasting construction. To study the effect of perlite content on the performance of emulsion explosives under deep water conditions, the performance of emulsion explosives with differen…
View article: Effect of molybdate on the stress corrosion cracking of 2205 duplex stainless steel in sulfuric acid solution
Effect of molybdate on the stress corrosion cracking of 2205 duplex stainless steel in sulfuric acid solution Open
The inhibition effect of molybdate on stress corrosion cracking (SCC) was investigated by many researchers, but few considered the molybdate effect on hydrogen permeation and the relationship between SCC and hydrogen permeation.This paper …
View article: The effect of off-axis angles on the mesoscale deformation response and failure behavior of an orthotropic textile carbon-epoxy composite
The effect of off-axis angles on the mesoscale deformation response and failure behavior of an orthotropic textile carbon-epoxy composite Open
View article: Experimental investigation and life prediction of hot corrosion pre‐exposure on low‐cycle fatigue of a directionally solidified nickel‐base superalloy
Experimental investigation and life prediction of hot corrosion pre‐exposure on low‐cycle fatigue of a directionally solidified nickel‐base superalloy Open
Low‐cycle fatigue tests were conducted on the directionally solidified nickel‐base superalloy DZ125 at 850 °C in the unexposed and exposed specimens for 2, 15, 25 and 50 h in hot corrosion environment. The pre‐exposed specimen exhibited a …