This video covers basic about the heat treatment of the steel
It covers an introduction about the heat treatment processes like
suitable heat treatment is depend upon the final requirement of the metal.
after viewing this video difference between harder steel and ductile steel can be understood.
knowledge of the heat treatment is important for Engineers , inspectors , supervisors and other associated directly or indirectly with Metal Industries.
In this video we'll be looking at zinc(Zn), copper (Cu), potassium (K), calcium (Ca), iron (Fe), lithium (Li), magnesium (Mg) and sodium (Na) and their reaction to water and acid.
You may have noticed that most of the elements in the Periodic table are metals. All metals have similar physical and chemical properties, but not identical. By looking at a small number of metals we can investigate how they vary chemically, which we will do in this video.
Animation & Design: Joshua Thomas firstname.lastname@example.org
Narration: Dale Bennett
Script: Alistair Haynes
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Chemistry: What is a metal? (Metallic Bonds)
Metallic bonds are one of the 3 main types of intermolecular forces, along with ionic bonds and covalent bonds. Metals are shiny, malleable, ductile, and good conductors of heat and electricity.
In this video we explain the connection between the nature of metallic bonds and these typical features.
You can click on the links below to jump to sections in the lesson:
0:00 Characteristics of Metals
0:23 The "Sea of Electrons" model of metals
1:23 Metals are shiny
1:48 Metals are good conductors of heat
2:04 Metals are good conductors of electricity
2:20 Metals are malleable
3:01 Metals are ductile
3:43 Metals have recognizable crystal structures
3:53 Which metal is liquid at room temperature? Any others?