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Achieving high strength and ductility in Ti-6.8Mo-3.9Al-2.8Cr-2Nb-1.2V-1Zr-1Sn alloy by rapid optimizing microstructure through gradient heat treatment
In this stuy, a new high-throughput heat treatment method was applied to rapidly optimize the microstructure of metastable β titanium alloy...
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Acoustic emission characteristics in tensile-shear failure of non-persistent jointed rocks with different undulation angles
Tensile-shear failure commonly occurs during the construction of deep in-situ tunnels. In this paper, direct tensile-shear tests were conducted on...
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Effect of double ageing on performance and establishment of prediction model for 6005 aluminum alloy
In the present investigation, the relation of pre-ageing temperature and pre-ageing time to mechanical properties was studied, and a model was...
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Study of aerodynamic characteristics of a high-speed train with wings moving through a tunnel
A high-speed train with wings (HSTW) is a new type of train that enhances aerodynamic lift by adding wings, effectively reducing gravity, to reduce...
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Shaking table test on seismic response of an accumulation landslide reinforced by pile-plate retaining wall based on the time-frequency analysis method
The time-frequency analysis method based on Hilbert-Huang transform is proposed and used to the seismic response analysis of accumulation landslide...
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Time-dependent behaviors and volumetric recovery phenomenon of sandstone under triaxial loading and unloading
The time-dependent behaviors of coal and rocks were easily ignored. Besides, “three-stage” triaxial loading and unloading mechanics tests of...
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Influence of prolonged natural aging followed by artificial aging on tensile properties and compressive behavior of a thin-walled 6005 aluminum alloy tube
The effects of aging treatments on the tensile properties and compressive behavior of a thin-walled 6005 aluminum alloy tube were studied. Samples...
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Distributed real-time strain monitoring for Nb3Sn sextupole superconducting magnets: from assembly to excitation
In pursuit of a fourth-generation electron cyclotron resonance (ECR) source, a powerful Nb 3 Sn superconducting magnet system employing a...
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Effect of La2O3 additions on microstructure and mechanical properties of Ti (C,N)-WC-Mo2C-Ni-Co cermets
Rare earth elements were considered alternative additives beneficial to the TiCN based cermets, but their effect with high content Mo 2 C has not been...
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High-accuracy gravity field and gravity gradient forward modelling based on 3D vertex-centered finite-element algorithm
Gravity anomalies generated by density non-uniformity are governed by the 3D Poisson equation. Most existing forward methods for such anomalies rely...
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Accelerating spectral digital image correlation computation with Taylor series image reconstruction
In this paper, we introduce an accelerating algorithm based on the Taylor series for reconstructing target images in the spectral digital image...
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Numerical study on the motion characteristics of an elastic fiber migrating in a cylindrical Couette flow with centrifugal effect
This study numerically explores the motion characteristics of an elastic fiber migrating in a cylindrical Couette flow with a fixed inner cylinder....
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Graphical optimization method for bidirectional corridor progression under the signal design mode of split phasing
Using the spatial and temporal characteristics of vehicle movement to analyze the control effect of the corridor progression, we can deeply explore...
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Comprehensive study on fail-safe topological design method for 3D structures
Fail-safe topology optimization is valuable for ensuring that optimized structures remain operable even under damaged conditions. By selectively...
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Assessment of a new hybrid-SSOR implicit temporal scheme for turbulent flows across a wide range of Mach numbers
The convergent efficiency and numerical stability of temporal discretization schemes for Navier-Stokes (N-S) equations are significant for...
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Removal of impurity elements from waste lithium-ion batteries powder by oxidation roasting, cyclic leaching, and precipitation method
In recent years, the efficient and clean recovery of valuable metals from waste lithium-ion batteries (LIBs) has become a hot spot in the field of...
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A novel stacking-based ensemble learning model for drilling efficiency prediction in earth-rock excavation
目的对钻进效率进行精确预测是制定土方开挖进度计划的关键。但现有预测方法多采用单个机器学**模型，存在参数敏感性和过拟合等问题，且往往忽略了环境因素和人员操作因素的影响。针对这些问题，本文提出一种同时考虑多种因素综合影响的新的集成学**预测方法。
创新点1....
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Effect of reducing agents on reducing atmosphere in coal-based direct reduction of beach titanomagnetite
Beach titanomagnetite (TTM) provides a cheap alternative source of Fe and Ti, but this ore is difficult to process to make suitable concentrates for...
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Aerodynamic effects of trains circulating through a bifurcated tunnel
In practice, bifurcated railway tunnels are occasionally employed in the construction of long tunnels due to specific geological reasons. However,...
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Construction of dicyandiamide-coated manganese dioxide composite and its mechanism for improving zinc storage performance
Manganese dioxide (MnO 2 ) is considered one of the most promising cathode materials for aqueous zinc-ion batteries because of its high theoretical...
