232 Result(s)
-
Article
Effect of graphene addition on activation and kinetic properties of La–Mg–Ni-based hydrogen storage alloys
The La1.7Pr0.3Mg16Ni hydrogen storage alloy was prepared by medium-frequency induction melting, and then the composite hydrogen storage alloy powder of La1.7Pr0.3Mg16Ni + x wt.% (x = 0, 2, 4, and 6) graphene was ...
-
Article
Influence of pier height on the safety of trains running on high-speed railway bridges during earthquakes
Sudden earthquakes pose a threat to the running safety of trains on high-speed railway bridges, and the stiffness of piers is one of the factors affecting the dynamic response of train-track-bridge system. In ...
-
Article
Interfacial behaviors between ZG13Cr9Mo1VNbN stainless steel and chromite sand
To elucidate the formation mechanisms of burn-on sand and metal penetration during sand casting, some laboratory experiments were carried out at different temperatures (1813, 1833, 1853, and 1873 K) and holdin...
-
Article
Effect of distance between heat sources on droplet transfer behavior and weld formation of AH36 during laser and CWW GMAW arc hybrid welding
In order to analyze the influence of the distance between heat sources (DLA) on the welding process, the effects of DLA on the droplet transfer behavior, weld formation characteristics and weld formation mechanis...
-
Article
Effect of initial microstructure on microstructure evolution and mechanical properties of 0.12C martensitic steels during quenching and tempering
The microstructure evolution and mechanical properties of a Fe–0.12C–0.2Si–1.6Mn–0.3Cr–0.0025B (wt.%) steel with different initial microstructures, i.e., hot rolled (HR) and cold rolled–annealed (CRA), were st...
-
Article
A backfill material without cementitious material: Carbonation curing magnesium slag based full solid waste backfill material
In view of the two major problems of the rapid growth of global CO2 emissions and the high cost of mine backfill materials (cement). In this study, a new method of mixing coal gangue (CG), magnesium slag (MS) and...
-
Article
GPa-level pressure-induced enhanced corrosion resistance in TiZrTaNbSn biomedical high-entropy alloy
TiZrTaNb-based high-entropy alloys (HEAs) are research frontier of biomedical materials due to their high hardness, good yield strength, excellent wear resistance and corrosion resistance. Sn, as an essential ...
-
Article
Advancements in machine learning for material design and process optimization in the field of additive manufacturing
Additive manufacturing technology is highly regarded due to its advantages, such as high precision and the ability to address complex geometric challenges. However, the development of additive manufacturing pr...
-
Article
Prediction for permeability index of blast furnace based on VMD–PSO–BP model
The permeability index is one of the important production indicators to monitor the operation of blast furnace. It is crucial to grasp the trends of changes in the new permeability index in time. For the compl...
-
Article
Swelling inhibition and infiltration promotion mechanism of polyethyleneimine
In order to solve landslides and slow infiltration rate in in-situ leaching process of weathered crust elution-deposited rare earth ore (WCE-DREO), the swelling inhibition performance and mechanism of polyethy...
-
Article
An efficient parallel computing method for random vibration analysis of a three-dimensional train-track-soil coupled model using Seed-PCG algorithm
This study proposes an efficient parallel computation method based on Seed-preconditioned Conjugate Gradient (Seed-PCG) algorithm, to address the issue of computational inefficiency of random multi-sample in t...
-
Article
Strip flatness prediction of cold rolling based on ensemble methods
Aiming at the problem of insufficient prediction accuracy of strip flatness at the outlet of cold tandem rolling, the prediction performance of strip flatness based on different ensemble methods was studied an...
-
Article
Enhancing strength of an ultra-low-carbon weathering steel to 700 MPa by adjusting Ti content
The microstructure and mechanical properties of a traditional Ti-microalloyed weathering steel were analyzed, and the strength was improved by proposing an optimized Ti content. The yield strength and elongati...
-
Article
Whole process prediction model of silicon steel strip on transverse thickness difference based on Takagi-Sugeno fuzzy network
The hot rolling and cold rolling control models of silicon steel strip were examined. Shape control of silicon steel strip of hot rolling was a theoretical analysis model, and the shape control of cold rolling...
-
Article
Review of the development status of rock burst disaster prevention system in China
Deep-land resource exploitation is a crucial focus of future scientific and technological development in China. However, with the increasing depth of coal mining, rock burst disasters occur frequently, posing ...
-
Article
Chemical patterning enhanced by increasing quenching temperature in a medium-Mn steel
Chemical heterogeneity in high-temperature austenite is an effective way to tune the austenite-to-martensite transformation during cooling. The effect of quenching temperature on microstructure evolution is in...
-
Article
Microstructure evolution and performance improvement of powder metallurgy stainless steel with P addition
P-containing 316L stainless steel was prepared by powder metallurgy technology using gas atomized alloy powder and phosphorus–iron alloy powder as raw materials. P addition was beneficial to sintering densific...
-
Article
A combined method for simulating track irregularities with full information and small samples
In order to improve the accuracy and efficiency of the train-track-bridge coupled system (TTBS) dynamics random analysis under the excitation of track irregularities, a full information representation of the t...
-
Article
Influence of heat treatments on incipient melting structures of DD5 nickel-based single crystal superalloy
The evolution of microstructure and formation mechanism of incipient melting microstructure of DD5 single crystal superalloy during solution heat treatment were studied by scanning electron microscopy (SEM), e...
-
Article
Mitigating corrosion of deposit-covered carbon steel in solution containing sulfate-reducing bacteria by purging nitrogen
The corrosion behavior of a carbon steel covered by sand deposits in the solution containing sulfate-reducing bacteria (SRB) under nitrogen purging conditions was studied by electrochemical measurements and su...
