65 Result(s)
within
Zhao **ong
Metallic Materials
-
Article
Atomic-Scale Insights into Damage Mechanisms of GGr15 Bearing Steel Under Cyclic Shear Fatigue
Alternating shear stress is a critical factor in the accumulation of damage during rolling contact fatigue, severely limiting the service life of bearings. However, the specific mechanisms responsible for the ...
-
Article
Synergistic effects of multiscale TiC and dual-phase structure on tensile properties of particle-reinforced steel
The conventional melting methods were used to obtain in situ TiC particle-reinforced dual-phase steel, followed by hot rolling and heat treatment processes. The aim was to investigate the effect of TiC particl...
-
Article
Effect of Electromagnetic Oscillation on Grain Structure of K477 Superalloy Turbine Guide Castings
The electromagnetic oscillation treatment was introduced to enhance the fine-grain quality of the Cr–Co–Mo K477 superalloy turbine guide castings, and the effect of electromagnetic oscillation on the microstru...
-
Article
Mechanical properties and thermal deformation behavior of low-cost titanium matrix composites prepared by a structure-optimized Y2O3 crucible
A porous yttrium oxide crucible with both thermal shock resistance and erosion resistance was developed by structural optimization. The structure-optimized yttrium oxide crucible was proved to be suitable for ...
-
Article
High critical current density in Li6.4La3Zr1.4Ta0.6O12 electrolyte via interfacial engineering with complex hydride
Garnet-type solid-state batteries (SSBs) are considered to be one of the most promising candidates to realize next-generation lithium metal batteries with high energy density and safety. However, the dendrite-...
-
Article
Effect of Vacuum Degrees on Interfacial Bonding Behavior of 7050 Aluminum Alloy Clad Plates During Hot-Roll Cladding
Interfacial bonding behavior of 7050 aluminum alloy clad plates during hot-roll cladding under different vacuum degrees was investigated. The results demonstrated that the bonding effect of the interface was p...
-
Article
Effect of Surface Treatments on the Microstructure and Mechanical Properties of the A356/SiCp and A356 Compound Interface of Cylinder Liner Centrifugal Castings
In this study, mechanical grinding, chemical surface treatment and copper electroplating were adopted to treat the inner surface of the outer A356 layer of the A356/A356-10SiCp double-layer cylinder liner. The...
-
Article
Novel twinned Al3Sc dendrites in as-casted Al–Sc alloy
Al-Sc alloys with high Sc contents are served as sputtering targets for making high performance piezoelectric devices. The microstructure of these alloys would affect the sputtering process and the final quali...
-
Article
Solidification microstructure of Ti-43Al alloy by twin-roll strip casting
As a near-net-shape technology, the twin-roll strip casting (TRC) process can be considered to apply to the fabrication of TiAl alloy sheets. However, the control of the grain distribution is very important in...
-
Article
Improving Li reversibility in Li metal batteries through uniform dispersion of Ag nanoparticles on graphene
Li metal is the most attractive and promising anode material for next-generation high-energy batteries. However, uncontrolled Li dendrite growth during cycling remains a highly challenging drawback. To solve t...
-
Article
Roles of nanoscale precipitates and metastable austenite in determining strength and toughness of high-strength Nb-bearing steel
The effects of tempering temperature on the microstructure and mechanical properties of high-strength structural steel containing niobium were investigated to examine the roles of nanoscale precipitates and me...
-
Article
Optimization of investment casting process for K477 superalloy aero-engine turbine nozzle by simulation and experiment
In order to reduce the shrinkage porosity of nickel-based superalloy castings in the investment casting process, the effects of different gating systems on mold filling, solidification process, and prediction ...
-
Article
Effect of Nb addition on microstructure and mechanical properties of 25CrNiMoV (DZ2) steel for high-speed railway axles
The microstructure, precipitates and properties of 25CrNiMoV (DZ2) steel for high-speed railway axles with different Nb contents were investigated by means of optical microscopy, scanning electron microscopy, ...
-
Article
Effect of competitive crystal growth on microstructural characteristics of directionally solidified nickel-based single crystal superalloy
Directionally solidified single crystal superalloy test bars were prepared by the spiral grain selection method. The microstructural evolution and orientation characteristics of the starter block and spiral pa...
-
Article
Influence of cooling rate on phase transformation and precipitation behavior of Ti-bearing steel in continuous cooling process
The influence of cooling rate on microstructural evolution and precipitation behavior in Ti, Ti–Nb and Ti–Mo low-carbon steels during the continuous cooling process was studied by dilatometer method, optical m...
-
Article
Heat transfer characteristics for double-jet in different flow regions on a thick plate
During multi-jet cooling, the complex hydrodynamic characteristics caused by the interaction between jets will affect the heat transfer of the plate. To further clarify the heat transfer characteristics in dif...
-
Article
Fluorescent light enhanced graphitic carbon nitride/ceria with ultralow-content platinum catalyst for oxidative decomposition of formaldehyde at ambient temperature
The complete decomposition of formaldehyde (HCHO) at ambient temperature is the most potential strategy for HCHO elimination from indoor environment. Herein, extra low content of Pt nanoparticles (0.025 wt%) s...
-
Article
Effect of Ti/V ratio on thermodynamics and kinetics of MC in γ/α matrices of Ti–V microalloyed steels
Through the solubility product theory of the ternary secondary phase, classical nucleation theory, and Ostwald ripening theory, a model was established to describe the thermodynamics and kinetics of (Ti, V)C p...
-
Article
Multi-component opportunistic maintenance optimization for wind turbines with consideration of seasonal factor
Aiming at wind turbines, the opportunistic maintenance optimization is carried out for multi-component system, where minimal repair, imperfect repair, replacement as well as their effects on component’s effect...
-
Article
Experimental study and industrial demonstration on utilization of Fe, Ti and V from vanadium-bearing titanomagnetite ore sands
In order to achieve highly efficient utilization of three valuable elements Fe, Ti and V simultaneously from vanadium-bearing titanomagnetite ore sands, an improved carbothermic reduction method was proposed a...
