Search results for keyword: crystallisation
solid-liquid separation
The Separation of Mixtures
A ‘mixture’ can be defined as a material containing two or more distinct substances that are not chemically combined. The aim of separating a mixture is to produce two or more individual compounds that are physically distinct from each other. To separate a mixture, th......
1067 
Sophia
Pipe cold rolling and cold drawing
Cold Rolled and Cold Drawn Steel Pipe
Cold rolled and cold drawn steel pipe are the two most common processes used to manufacture steel pipe. Steel pipes and tubes can be made from both processes, and each one offers specific advantages and disadvantages. In order to decide which process is best ......
Steckel Mill Rolling
Hot Rolling Mill Machine
Hot rolling is a metal forming process in which the steel is heated beyond its recrystallisation temperature and rolled into different shapes and sizes. Hot rolling is done with and without the assistance of a rolling mill. Rolling mills come in varying sizes, from small ......
Metal Heat Treatment: Aging Treatment
Metal Heat Treatment: Age Hardening
Heat treatments are one of the most important processes used in metal fabrication and metalworking. Heat treatments can increase the strength and hardness of metals, reduce the amount of formability in certain applications, increase ductility and reduce the ris......
Types of annealing and quenching
Annealing
Annealing is a heat treatment process used to alter the physical or chemical properties of a material. It is used to promote the growth of new crystals and grain boundaries, reduce hardness and brittleness, and increase ductility. Annealing is also used to relieve internal stresses and......
Billet blooming speed regulation
Introduction
Hot rolling is one of the most critical steps in the steel manufacturing process. It is a process by which steel is heated beyond its recrystallisation temperature and then rolled into slabs or sheets. The speed at which hot rolling occurs is also a critical variable in the process.......
Blooming
Public Schools of the 21st Century
In todays world, public schools have been drastically affected by the changing landscape of the 21st century. Throughout the years, public schools have been, and continue to be, a vital part of the American education system. With the many changes that have taken......
low temperature rolling
Low Temperature Rolling
Low temperature rolling, which is also known as room temperature rolling, is a metalworking process where the metal is rolled at temperatures lower than the metals recrystallisation temperature. Unlike traditional hot rolling, it does not soften the metal, and no recrystall......
Metallurgical Principles of Secondary Combustion
The Principle of Metallurgy in Secondary Combustion
Secondary combustion is a metalworking process that involves heating and cooling materials in an effort to alter or add to their properties. This method has applications in a variety of metalworking industries, including the smelting of steel an......
Separation of niobium and tantalum by fractional crystallization
Separation of Ni and Nb by Stepwise Crystallization
The separation of Ni and Nb is a significant challenge in process chemistry and analytical chemistry. This is due to the fact that both elements are often found in a variety of compounds and are prone to form molecular complexes, which can be di......
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