28 Result(s)
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Article
Effect of retained austenite on the fatigue performance of novel high carbon quenching-partitioning-tempering steel
The effect of retained austenite on the fatigue property of a novel Fe-0.65C-1.5Mn-1.5Si-0.6Cr-0.05Nb (wt.%) quenching-partitioning-tempering (Q-P-T) steel was investigated. X-ray diffraction, scanning electro...
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Article
Effects of earthquake on damage evolution and failure mechanism of key rock pillars in underground engineering
Rock pillar is the key supporting component in underground engineering. During an earthquake, the key rock pillar must bear both the seismic load and the load transferred from other damaged pillars. This paper...
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Article
Effect of electropulsing on austenite to ferrite transformation in low-carbon steel
We explore the application of electropulsing for the control of phase transformation in a low-carbon steel. The effect of electropulsing on the transformation from austenite to ferrite in continuous casting lo...
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Article
Prediction of resilient modulus for subgrade soils based on ANN approach
The resilient modulus (MR) of subgrade soils is usually used to characterize the stiffness of subgrade and is a crucial parameter in pavement design. In order to determine the resilient modulus of compacted subgr...
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Article
Electrochemical characteristics of electroplating and impregnation Ni-P/SiC/PTFE composite coating on 316L stainless steel
Ni-P/SiC/PTFE coating was obtained on the surface of 316L stainless steel by electrodeposition of Ni-P/SiC coating and immersion of PTFE (polytetrafluoroethylene). The surface morphology and composition were a...
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Article
Sulfide mineral bioleaching: Understanding of microbe-chemistry assisted hydrometallurgy technology and acid mine drainage environment protection
Bioleaching is regarded as an essential technology to treat low grade minerals, with the distinctive superiorities of lower-cost and environment-friendly compared with traditional pyrometallurgy method. Howeve...
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Article
Creep behavior and mechanical properties of Al-Li-S4 alloy at different aging temperatures
Creep age forming techniques have been widely used in aerospace industries. In this study, we investigated the effect of aging temperature (143 °C–163 °C) on the creep behavior of Al-Li-S4 aluminum alloy and t...
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Article
A review of underlying topography estimation over forest areas by InSAR: Theory, advances, challenges and perspectives
The paramount importance and multi-purpose applications of underlying topography over forest areas have gained widespread recognition over recent decades, bringing about a variety of experimental studies on ac...
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Article
Kinetics of leaching lithium from lepidolite using mixture of hydrofluoric and sulfuric acid
The fluorine-based chemical method shows great potential in leaching lithium (Li) from lepidolite. Leaching kinetics of Li in a mixture of sulfuric acid and hydrofluoric acid, which is a typical lixivant for t...
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Article
Characterization and formation mechanisms of fractures and their significance to hydrocarbon accumulation: A case study of Lower Ordovician mid-assemblage Formations in central Ordos Basin, China
The lower Ordovician mid-assemblage Formations in the central Ordos Basin of China host prolific gas resources, and most hydrocarbon reserves are stored in naturally-fractured reservoirs. Thus, fracture pathwa...
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Article
Safe utilization of chromium-bearing vanadate residue by recovery of vanadium and chromium based on calcium circulation
A safe, economical treatment of hazardous chromium-bearing vanadate residue (CVR) will significantly benefit the clean production of chromate-bearing salts. This study investigated recovery of sodium vanadate ...
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Article
Crushing analysis and multi-objective optimization of bitubular hexagonal columns with ribs
In order to improve the crashworthiness of thin-walled columns, the energy absorption characteristics of three columns under quasi-static axial crushing loads were analyzed through LS-DYNA. Numerical results s...
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Article
Effect of Noncontact Ultrasonic Technology on Solidification Quality of Electroslag Steel
A new electroslag furnace with ultrasonic vibration introduced through water-cooled base plate was designed and the effects of ultrasonic power on the distribution of elements, compactness and carbides in the ...
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Article
Numerical simulation of effect of bionic V-riblet non-smooth surface on tire anti-hydroplaning
Inspired by the idea that bionic non-smooth surfaces (BNSS) can reduce fluid adhesion and resistance, and the effect of bionic V-riblet non-smooth structure arranged in tire tread pattern grooves surface on an...
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Article
Numerical analysis of stability for mined-out area in multi-field coupling
There were differences between real boundary and blast hole controlling boundary of irregular mined-out area in underground metal mines. There were errors in numerical analysis of stability for goaf, if it was...
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Article
A simplified adaptive interval Type-2 fuzzy control in practical industrial application
Adaptive Type-2 fuzzy control possesses control performance better than the traditional adaptive fuzzy control. However, heavy computation burden obviously blocks the utilization of adaptive Type-2 fuzzy contr...
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Article
Sedimentary microtopography in sequence stratigraphic framework of Upper Ordovician and its control over penecontemporaneous karstification, No. I slope break, Tazhong, Tarim block
In order to reveal the relationship between the penecontemporaneous karstification and sedimentary microtopography in sequence stratigraphy, the sequence stratigraphic framework of Lianglitage formation in Upp...
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Article
Scheduling algorithm of dual-armed cluster tools with residency time and reentrant constraints
To solve the scheduling problem of dual-armed cluster tools for wafer fabrications with residency time and reentrant constraints, a heuristic scheduling algorithm was developed. Firstly, on the basis of formul...
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Article
Mineralization-related geochemical anomalies derived from stream sediment geochemical data using multifractal analysis in Pangxidong area of Qinzhou-Hangzhou tectonic joint belt, Guangdong Province, China
Distinguishing geochemical anomalies from background is a basic task in exploratory geochemistry. The derivation of geochemical anomalies from stream sediment geochemical data and the decomposition of these an...
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Article
Underwater friction stir welding of ultrafine grained 2017 aluminum alloy
2017 aluminum alloy plates with an ultrafine grained (UFG) structure were produced by equal channel angular processing (ECAP) and then were joined by underwater friction stir welding (underwater FSW). X-ray di...
