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Article
Revealing dislocation activity modes during yielding and uniform deformation of low-temperature tempered steel by acoustic emission
The distinctive distribution of acoustic emission (AE) characteristic parameters generated during tensile testing of low-temperature tempered AISI 4140 steel was investigated. Two clusters of acoustic emission...
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Article
Multi-performance evaluation of high-throughput accelerated corrosion test for high-strength low-alloy 921A steel
The corrosion behavior of high-strength low-alloy 921A steel in a simulated marine atmospheric environment was studied using a high-throughput experimental method. The corrosion behavior, corrosion morphology,...
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Article
Machine learning for prediction of retained austenite fraction and optimization of processing in quenched and partitioned steels
The metastable retained austenite (RA) plays a significant role in the excellent mechanical performance of quenching and partitioning (Q&P) steels, while the volume fraction of RA (
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Article
Dynamic recrystallization behavior and coincidence site lattice evolution in thermal deformation of 316H stainless steel used in nuclear systems
The hot deformation behavior of 316H stainless steel used in the 4th-generation nuclear systems was investigated by thermal compression tests at 1000–1150 °C and 0.01–10 s−1. It was found that true stress firstly...
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Article
Flow field, heat transfer and inclusion behavior in a round bloom mold under effect of a swirling flow submerged entry nozzle
Flow field, heat transfer and inclusion behavior in a 700 mm round bloom mold under the effect of a swirling flow submerged entry nozzle (SEN) were investigated with the aim to enhance the casting process. The...
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Article
An optimization of harmonic structure nickel-saving cryogenic steel via combinatorial high-throughput experiment
A combinatorial high-throughput experiment (HTE) was used to optimize composition and process of nickel-saving cryogenic steel. A gradient temperature heat treatment method with a high linear distribution of h...
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Article
Development of new ductile iron with super-high thermal conductivity and elongation
The effects of Si content, graphite volume fraction and pearlite volume fraction on the thermal conductivity of ductile iron were studied based on theoretical model analysis. Calculated results showed that the...
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Article
Effect of copper on edge cracking behavior and microstructure of rolled austenitic stainless steel plate
Cu is known to affect the edge cracking characteristics of austenitic stainless steel as it causes embrittlement. The hot rolling test of four kinds of austenitic stainless steel with different copper content ...
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Article
Enrichment characteristic of carbon atoms in solid-liquid zone of high carbon steel under different directional solidification rates
To reveal the formation mechanism and main influencing factors of C-segregation in high carbon steel under different solidification rates (40, 80, 160, 200 and 320 µm·s−1), the enrichment characteristics of carbo...
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Article
Modification for prediction model of austenite grain size at surface of microalloyed steel slabs based on in situ observation
The initial solidification process of microalloyed steels was simulated using a confocal scanning laser microscope, and the growth behavior of austenite grain was observed in situ. The method for measuring the...
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Article
Modification of inorganic binder used for sand core-making in foundry practice
With modified water glass as binder and the introduction of micro silicon powders into the core-making process, an improvement was made to the tensile strength and collapsibility of the sand core. The potassiu...
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Article
Calculating the effective thermal conductivity of gray cast iron by using an interconnected graphite model
A new theoretical model of gray cast iron taking into account a locally interconnected structure of flake graphite was designed, and the corresponding effective thermal conductivity was calculated using the th...
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Article
Thermal conductivity of cast iron -A review
This paper gives a brief introduction to the four research methods for the study on thermal conductivity of cast irons, including experimental measurement, statistical analysis, effective medium theory and num...
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Article
Humidity-resistant inorganic binder for sand core making in foundry practice
The performance of sand core was improved by using the modified water glass as a binder and adding powder additives in the sand hardening process. The optimal proportion of the compound additives was determine...
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Article
Comprehensive evaluation of sintering basic characteristics of iron ore based on grey relational analysis
Sintering basic characteristics of fourteen iron ores were comprehensively evaluated using micro-sinter and grey relational analysis methods. The results show that magnetite has a low assimilability, high bond...
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Article
A new method to predict mechanical properties for microalloyed steels via industrial data and mechanism analysis
A new modeling method has been developed by combining industrial data and metallurgical mechanisms. This method utilizes a series of models to predict the mechanical properties for microalloyed steels with hig...
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Article
Effect of shot peening on microstructure, nanocrystallization and microhardness of Ti–10V–2Fe–3Al alloy surface
Severe plastic deformation of Ti–10V–2Fe–3Al alloy in the surface region was caused by shot peening at air pressure of 0.6 MPa with processing time ranging from 1 to 45 min. The results showed that the thickne...
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Article
Modeling deformation resistance for hot rolling based on generalized additive model
A model of deformation resistance during hot strip rolling was established based on generalized additive model. Firstly, a data modeling method based on generalized additive model was given. It included the se...
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Article
Springback behavior of tailor rolled blank in U-shape forming
The springback of tailor rolled blanks with quenching and partitioning steels was investigated. In order to find out the springback behavior and related influence factors for the novel sheets, both experimenta...
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Article
Friction Estimation and Roll Force Prediction during Hot Strip Rolling
A mathematical model of friction coefficient was proposed for the roll force calculation of hot-rolled strips. The online numerical solving method of the roll force calculation formula based on the proposed fr...