47 Result(s)
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Article
Chang-sheng Li
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Article
Microstructure and properties of Nb, V and N alloyed low magnetic hot rolled stainless steel plate
It is a common technical difficulty to improve the strength of low magnetic stainless steel plates on the premise of ensuring ductility, corrosion resistance, and low magnetism. In this paper, the chemical com...
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An analytical method for assessing the initiation and interaction of cracks in fused silica subjected to contact sliding
Understanding the fracture behavior of fused silica in contact sliding is important to the fabrication of damage-free optics. This study develops an analytical method to characterize the stress field in fused ...
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TwinNet: Twin Structured Knowledge Transfer Network for Weakly Supervised Action Localization
Action recognition and localization in untrimmed videos is important for many applications and have attracted a lot of attention. Since full supervision with frame-level annotation places an overwhelming burde...
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Microstructure and mechanical properties in core of a carburizing 20CrNi2MoV bearing steel subjected to cryogenic treatment
Microstructure and mechanical properties in core of a carburizing 20CrNi2MoV bearing steel subjected to cryogenic treatment were investigated. Conventional treatment sample was quenched and tempered at 180 °C ...
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Effects of yttrium and zirconium additions on inclusions and mechanical properties of a reduced activation ferritic/martensitic steel
The effects of two alloying elements, i.e., yttrium (Y) and zirconium (Zr), on the inclusion, microstructure, tensile property and impact toughness of reduced activation ferritic/martensitic (RAFM) steel are a...
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Effect of M–A constituents formed in thermo-mechanical controlled process on toughness of 20CrNi2MoV steel
The effect of martensite–austenite (M–A) constituents formed in thermo-mechanical controlled process on impact toughness of 20CrNi2MoV steel was investigated. The variation in fraction, size and morphology of ...
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Evaluation of the Microstructure and Performance of Fe-21Cr-15Ni-6Mn-Nb Nonmagnetic Stainless Steel Welded Joints
In the present study, double-sided gas shield welding (GSW), in a single pass, was applied to Fe-21Cr-15Ni-6Mn-Nb nonmagnetic stainless steel plate. The microstructure and performance of the welded joint were ...
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Article
Influence of Initial Pearlite Morphology on the Microstructure Evolution During Heat Treatment of 1.0C–1.5Cr Steel
Effect of initial pearlite morphology on the microstructure evolution during spheroidization annealing and subsequent hardening treatment was studied in hot-rolled 1.0C–1.5Cr bearing steel. The ferrite-to-aust...
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Effect of Final Cooling Temperature on Microstructure and Mechanical Properties of a Cr-Ni-Mo-V Bainite Steel
The microstructural evolution and mechanical properties of a low-carbon high-strength bainitic steel under different final cooling temperatures were studied. The microstructures of the experimental steel at d...
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Design of Online Spheroidization Process for 1.0C-1.5Cr Bearing Steel and Microstructure Analysis
Using thermo-mechanical control process, the online spheroidization annealing process of 1.0C-1.5Cr bearing steel was designed. Apart from intercritical online spheroidization (IS), a novel subcritical online ...
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Article
Effect of Tempering Temperature on the Microstructure and Properties of Fe-2Cr-Mo-0.12C Pressure Vessel Steel
To obtain the high-temperature strength and toughness of the medium–high-temperature–pressure steel, the microstructure evolution and mechanical properties of Fe-2Cr-Mo-0.12C steel subjected to three different...
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Deformation and recrystallization microtextures of an austenitic steel during asymmetrical hot rolling process
Deformation and recrystallization microtextures during the asymmetrical hot rolling (ASHR) process were investigated for a high-Mn austenitic steel by means of electron backscattered diffraction. The effects o...
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A modified constitutive model based on Arrhenius-type equation to predict the flow behavior of Fe-36% Ni Invar alloy
The predictability of modified constitutive model, based on Arrhenius type equation, for illustrating the flow behavior of Fe-36%Ni Invar alloy was investigated via isothermal hot compression tests. The hot de...
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Article
Effects of saline water irrigation and fertilization regimes on soil microbial metabolic activity
Irrigation and fertilization can change soil environment, which thereby influence soil microbial metabolic activity (MMA). How to alleviate the adverse effects by taking judicious saline water irrigation and f...
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FE Analysis on Shear Deformation for Asymmetrically Hot-Rolled High-Manganese Steel Strip
Shear deformation along the longitudinal cross section of the high-manganese steel strip has been analyzed in hot asymmetrical rolling process using rigid-plastic finite element model. The friction coefficient...
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Microstructure of Hot Rolled 1.0C-1.5Cr Bearing Steel and Subsequent Spheroidization Annealing
The effect of final rolling temperature and cooling process on the microstructure of 1.0C-1.5Cr bearing steel was studied, and the relationship between the microstructure parameters and subsequent spheroidizat...
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Article
Spatial Variations of Soil Microbial Activities in Saline Groundwater-Irrigated Soil Ecosystem
Spatial variations of soil microbial activities and its relationship with environmental factors are very important for estimating regional soil ecosystem function. Based on field samplings in a typical saline ...
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Deformation behavior of Fe-36Ni steel during cryogenic (123–173 K) rolling
Microstructural evolution and mechanical properties of cryogenic rolled Fe-36Ni steel were investigated. The annealed Fe-36Ni steel was rolled at cryogenic temperature (123–173 K) with 20%–90% rolling reductio...
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Article
Effect of Cooling Rate on Microstructure and Mechanical Properties of 20CrNi2MoV Steel
Thermo-mechanical process and continuous cooling process were carried out on 20CrNi2MoV steel. Three cooling rates were implemented to optimize the mechanical properties. The microstructure evolution, precipit...
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Article
The long noncoding RNA, EGFR-AS1, a target of GHR, increases the expression of EGFR in hepatocellular carcinoma
LncRNA has provided an important new perspective regarding gene regulation. Both the expression and activation of EGFR have been proven to be under the tight control of the GHR pathway. EGFR-AS1 has been found...
