Formation and control of the surface defect in hypo
Hypo-peritectic steels are widely used in various industrial fields because of their high strength, high toughness, high processability, high weldability, and low material cost. However, surface defects are liable to occur during continuous casting, which includes depression, longitudinal cracks, deep oscillation marks, and severe level fluctuation with slag …
Continuous Casting Machines: An In-depth …
Advantages of Continuous Casting. Continuous casting isn't just a trend; it's a tried-and-true method with some impressive perks. Let's break it down: Improved Product Quality. Continuous casting ensures top-notch product quality by …
22 Casting Defects and How to Prevent Them in Your Products …
When a casting defect is present, it can hurt the integrity or functionality of the product. Some casting defects can be tolerated but most will need to be removed or prevented. ... Design a running (gate) system with risers that ensure a continuous flow of molten metal; Increase local heat dissipation by inserting internal chills, cooling ribs ...
Atlas of Casting Defects
Casting Defects Investment Casting Institute 136 Summit Avenue Montvale, NJ 07645-1720 Phone: 201-573-9770 Fax: 201-573-9771 Acknowledgments The Investment Casting Institute wishes to thank all of the members of the Institute's Publication and
Types of Casting Defects and How to Prevent Them
How to Prevent Casting Shape Defects. To prevent casting shape defects, check to make sure the plate pattern mounting and alignment are the same. This can help to see if there are inaccuracies in the pins. Sometimes reassembling the mold can fix the problem.
Modeling of continuous casting defects related to mold …
T1 - Modeling of continuous casting defects related to mold fluid flow. AU - Thomas, Brian G. PY - 2006/7. Y1 - 2006/7. N2 - The quality of continuously cast steel is greatly influenced by fluid flow in the mold, particularly at the meniscus. Recent examples of computational model applications at the University of Illinois are presented to ...
Continuous Casting
The continuous casting machine comprises a metal receiver into which freshly inoculated iron is continuously fed, which, adjacent to the mould, usually a water cooled graphite mould provides not only a continuous supply of iron but acts as a feeder head eliminating liquid shrinkage defects. The solidified bar is continuously drawn from the ...
Coupling of Solidification and Heat Transfer Simulations with
The formation of defects such as cracks in continuous casting deteriorates the quality of cast products and efficiency of steelmaking. To evaluate the risks and identify the root causes of defect formation, phenomenological quality criteria computed with a solidification and microstructure model known as InterDendritic Solidification (IDS) have previously been applied.
Statistical Control of Defects in a Continuously Cast Billet
We consider the problems of defects arising in the production of continuously cast billets at continuous casting plants. We propose a model for predicting slab cracks based on the random forest machine learning algorithm. We determine the main technological parameters that influence the appearance of cracks and present the results of the model.
What defects will appear in the billet during continuous casting …
Continuous casting is only a problem of keeping and impossible to correct steelmaking and equipment. In the whole operation, there will be some defects in the billet, which affects the normal ...
Real-Time Forecasting of Subsurface Inclusion …
Subsurface inclusions are one of the most common defects that affect the inner quality of continuous casting slabs. This increases the defects in the final products and increases the complexity of the hot charge rolling …
(PDF) Continuous Casting
The continuous casting processes of metals develop every day and even though, old challenges remain and new ones appear, every method of minimizing casting defects, increasing the quality of the ...
A Review on Causes of Surface Defects in Continuous Casting
A review on the causes of the foremost defects in continuous casting, based on an extensive literature survey, is given. The specific defects which are considered are transversal and longitudinal ...
Real-Time Defect Prevention in Continuous Casting
Classical Approaches for Defect Detection in Continuous Casting Casting defects such as longitudinal cracks can reduce the quality of a slab or lead to strand breakouts. To detect such …
Materials | Free Full-Text | Optimization of Continuous Casting …
In this study, the Taguchi method was used to prevent peeling defects and clogging of the submerged entrance nozzle, and the optimal casting parameters, such as the degree of casting overheating, casting speed, stirring time, and inclination, were determined. ... "Optimization of Continuous Casting for Preventing Surface Peeling Defects on ...
Modeling of continuous-casting defects related to mold …
The quality of continuous-cast steel is greatly influenced by fluid flow in the mold, particularly at the meniscus. Recent examples of computational model applications at the University of Illinois are presented to investigate the formation of several different types …
Real-Time Defect Prevention in Continuous Casting
Real-Time Defect Prevention in Continuous Casting Phillip Oliver Hänisch 1, Baibhab Dutta 2, Rashmi Murthy 1, Christoph Kirmse 1 1SMS digital Eduard-Schloemann-Straße 4, …
Multiphase Flow-Related Defects in Continuous Casting of
This paper illustrates several mechanisms of multiphase flow-related defects in continuous steel casting, quantified by applying various tools including multiphase CFD …
(PDF) CAUSES OF OCCURRENCE OF INTERNAL AND SURFACE DEFECTS …
The paper defines occurrence of individual types of defects and possibilities, which were developed for their removal in the BOF shop with single strand slab continuous casting machine.
Problems concerning the surface quality of continuous-cast …
This article examines the main types of surface defects on slabs and their causes. A general explanation is given for the nucleation and growth of surface cracks. An analysis is made of the possibility of applying criteria from the fracture mechanics of deformable solids to the conditions that exist during the continuous casting of steel slabs.
A Review on Causes of Surface Defects in Continuous Casting
Tel. +E7 lE -4EO E187 Fax. +E7 lE 36E 530-4 email: [email protected] Abstract: A review on the causes of the foremost defects in continuous casting, based on an extensive …
Neural Network Modelling to Characterize Steel Continuous Casting
Request PDF | Neural Network Modelling to Characterize Steel Continuous Casting Process Parameters and Prediction of Casting Defects | The current work outlines application of a data-driven ...
Continuous Casting Practices for Steel: Past, Present and …
Continuous casting practices for steelmaking have been constantly evolving ever since the early 1930s, when Junghans was first researching ways to pour liquid steel into an …
Problems concerning the surface quality of continuous-cast …
An analysis is made of the possibility of applying criteria from the fracture mechanics of deformable solids to the conditions that exist during the continuous casting of …
Real-Time Defect Prevention in Continuous Casting
Classical Approaches for Defect Detection in Continuous Casting Casting defects such as longitudinal cracks can reduce the quality of a slab or lead to strand breakouts. To detect such casting defects, much effort has been made in previous works to find solutions which can detect and pre-vent those defects. The following sec-
Deep Learning-Based Understanding of Defects in …
Continuous casting involves the process of transforming liquid steel into solid continuous cast products through cooling and solidification within a continuous casting …
Optimization of Continuous Casting for Preventing Surface …
Optimization of Continuous Casting for Preventing Surface Peeling Defects on Titanium-Containing Ferrite Stainless Steel. ... (EDS). The peeling defects on the surfaces of the TCFSS strips were measured using calipers (Mitutoyo, Kawasaki). The experimental parameters designed using the Taguchi method are listed in Table 1. Four factors, namely ...
Real-time prediction and adaptive adjustment of continuous casting
Ziqing Lu and colleagues employ deep learning to establish real-time predictions of three-dimensional temperature fields at the millimetre scale during continuous casting, a process widely used in ...
Deep Learning-Based Understanding of Defects in …
A novel YOLOv5 network is presented in this paper to quantify the degree of defects in continuously cast billets. The proposed network addresses the challenges posed by noise or dirty spots and different defect sizes in the …
Continuous Casting and Continuous Rolling | SpringerLink
(1) The production of defect-free billet. Continuous casting and continuous rolling require a high degree of continuous production, and the billet must be defect-free (or although there are defects, they can be eliminated or weakened in the rolling process and are harmless to the performance of finished products); (2) stable and reasonable billet temperature.
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