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Defects and prevention of lost foam castings - wrinkled skin
Introduction
Castings are often found with subsurface defects attributed to shrinkage. These defects known as “shrinkage porosity”, “shrinkage cavity”, or “cold shut” are located in areas where shrinkage flow of the solidifying metal is impeded due to the geometry of the casting. Shrinkage p......
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Longitudinal cracks at corners of continuous casting slabs
Analysis of longitudinal crack on corner of continuous casting billet
There are many reasons for the longitudinal cracks on the corners of continuous casting billets. Thus, it is extremely important to define the cause for this issue and carry out corresponding measures to ensure the quality of c......
Internal Crack of Continuous Casting Slab and Its Prevention
Ladle Cracking Prevention on Internal Crack for Continuous Casting Slab
Continuous casting steel slab surface quality is generally good, internal crack rarely occur. Generally, three types of lamination crack, primary center crack and fourth crack appear inside continuous casting slab, but they o......
Treatment of Water Leakage in Furnace Cover During Refining Process of LF Furnace
Leaky Firebox Treatment during LF Refining Process
LF (linchpi Field) refining is an important process in the production of various iron and steel products, and it is necessary to maintain the temperature and pressure in the firebox in order to make the iron and steel products with good quality. ......
Purpose and method of slag blocking and tapping
The purpose and method of tapping slag from steelmaking
Introduction
In steelmaking processes, smelting is part of a longer chain of events used to create the desired shape of a metal product. During the smelting process, liquid metal is heated to a molten state and poured into a mold, forming a......
Slag splash adhesion layer can protect furnace lining
The slag deposited layer is one of the important factors to ensure a high-performance and reliable performance of the refractory furnace. A slag deposition layer directly affects the quality of the product, its service life, the operational safety and economical of the furnace, as well as the capi......
Shrinkage during solidification of molten steel
The Shrinkage of Steel during Solidification
Solidification of steel has caused problems since steelmaking began. Shrinkage, i.e. the reduction in volume that is often found in steel as it solidifies, can cause significant structural problems and lead to a weakness in the finished product. It is ......
Causes of converter lining damage
Cause of Damage to Blast Furnace Lining
Furnace lining is a vital component of the blast furnace due to its protective nature. It helps to contain and protect the steelmaking atmosphere inside the furnace, making it an important component of a steel plant. It is often subjected to extreme conditi......
Smelting strength
Metallurgical Strength
Metallurgical strength is defined as the ability of an alloy or metal to perform under conditions of mechanical stress or strain. It is also referred to as metal strength, or physical strength. This is an important factor when determining the durability and reliability of a......
Why do transformers use silicon steel sheets as iron cores?
Transformers use silicon steel sheets for their cores for a variety of reasons. These sheets, which are also known as grain-oriented silicon steel, have very desirable properties that make them well suited for use in transformers.
Silicon steel is an alloy that contains up to three percent silico......
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