41 Result(s)
-
Article
Mold breakout prediction based on computer vision and machine learning
Breakout is the most serious production accident in continuous casting and must be detected and predicted by stable and reliable methods. The sticking region, which forms on the local copper plate and expanded...
-
Article
Open AccessReview of the evolution and prevention of friction, wear, and noise for water-lubricated bearings used in ships
With the development of green tribology in the ship** industry, the application of water lubrication gradually replaces oil lubrication in stern bearings and thrust bearings. In terms of large-scale and high...
-
Article
Gas release characteristics during carbonization of iron coke hot briquette and influence of heating rate
The release characteristics of CH4, H2, CO and CO2 from iron coke hot briquette (ICHB) during carbonization were studied. The results show that compared with briquette without iron ore, Fe3O4 can inhibit the rele...
-
Article
Reaction characteristics of carbon-bearing pellets of Bayan Obo lean iron ores in a static magnetic field
The use of low-grade, refractory and composite paragenetic mineral resources is necessary for overcoming the shortage of iron ore resources in China. As a solution to the treatment of such iron ores, the direc...
-
Article
Roles of nanoscale precipitates and metastable austenite in determining strength and toughness of high-strength Nb-bearing steel
The effects of tempering temperature on the microstructure and mechanical properties of high-strength structural steel containing niobium were investigated to examine the roles of nanoscale precipitates and me...
-
Article
Evolution of microstructure in reheated coarse-grained zone of G115 novel martensitic heat-resistant steel
Based on the thermal simulation method, a systematical analysis was conducted on the effect of welding peak temperature and the cooling time that takes place from 800 to 500 °C on microstructure, precipitates,...
-
Article
Effect of Ti/V ratio on thermodynamics and kinetics of MC in γ/α matrices of Ti–V microalloyed steels
Through the solubility product theory of the ternary secondary phase, classical nucleation theory, and Ostwald ripening theory, a model was established to describe the thermodynamics and kinetics of (Ti, V)C p...
-
Article
Nanoscratching and mechanical behaviors of high-entropy alloys with different phase constituents
High-entropy alloys (HEAs) exhibit unique microstructural features and properties in nanoscale and atomic scale because of their multi-element alloy system. The nanoscratching behaviors of three HEAs with diff...
-
Article
Effect of compression deformation on precipitation phase behavior of B-containing S31254 super austenitic stainless steel
Effects of compression deformation on the sigma-phase precipitation behavior of B-containing S31254 stainless steel after solution treatment were studied using the Gleeble compression test. The cold and hot pr...
-
Article
Recent progress in friction stir welding tools used for steels
Friction stir welding (FSW) technology is being increasingly attractive in welding steels on account of the high-quality weld formation and excellent weld properties. The feasibility of FSW of steels has been ...
-
Article
Effect of dissolved niobium on eutectoid transformation behavior
The effect of dissolved niobium on the eutectoid transformation behavior in near-eutectoid high-carbon steels has been studied. Dissolved niobium is important in the eutectoid transformation behavior. It incre...
-
Article
Thermal stability of retained austenite and mechanical properties of medium-Mn steel during tempering treatment
The thermal stability of retained austenite (RA) and the mechanical properties of the quenched and intercritical annealed 0.1C-5Mn steel with the starting ultrafine lamellar duplex structure of ferrite and ret...
-
Article
Arc Behavior and Droplet Transfer of CWW CO2 Welding
Cable-type welding wire (CWW) CO2 welding is an innovative process arc welding with high quality, high efficiency and energy saving, in which CWW is used as consumable electrode. The CWW is composed of seven wire...
-
Article
Influence of vanadium on fracture splitting property of medium carbon steel
The fracture splitting property of medium carbon steel 37MnSiS microalloyed with V up to 0.45% was investigated by using simulated fracture splitting test, for the development of new crackable medium carbon st...
-
Article
Hot deformation behavior of vanadium-microalloyed medium-carbon steel for fracture splitting connecting rod
Single compression tests were carried out with a Gleeble-3800 thermal simulator to investigate hot deformation behavior of two vanadium-microalloyed medium-carbon steels for fracture splitting connecting rod. ...
-
Article
Microstructure and mechanical properties of precipitation strengthened fire resistant steel containing high Nb and low Mo
Through the thermo-mechanical control process (TMCP), a high Nb low Mo fire resistant steel with the yield strength (YS) of 521 MPa at room temperature (RT) and 360 MPa at elevated temperature (ET) of 600 °C w...
-
Article
A Novel Low-cost Hot Rolled High Strength Steel for an Automatic Teller Machine
A novel hot rolled steel LG600A with the tensile strength exceeding 700 MPa was developed for automatic teller machine application. The low-cost C-Mn steel was microalloyed with 0.08 mass%–0.12 mass% Ti rather...
-
Article
Austenite Grain Refinement and Isothermal Growth Behavior in a Low Carbon Vanadium Microalloyed Steel
The austenite grain refinement through control of the grain growth during reheating process after thermo-mechanical controlled process (TMCP) in a vanadium microalloyed steel was achieved. The formation of ult...
-
Article
An On-line Finite Element Temperature Field Model for Plate Ultra Fast Cooling Process
Taking the element specific-heat interpolation function into account, a one-dimensional (1-D) finite element temperature field model for the on-line control of the ultra fast cooling process was developed base...
-
Article
Prediction of Mechanical Properties of Hot Rolled Strip by Using Semi-Parametric Single-Index Model
A semi-parametric single-index model based approach was proposed for prediction of mechanical properties of hot rolled strip. Based on industrial production data, a semi-parametric single-index model was devel...
