Dec 10 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Applications
Introduction
Master alloys are semi-finished products, and are used as raw material in metals industries. They are a pre-alloyed combination of alloying elements. They are also known as grain refiners, modifiers, or hardeners based on their application. They are suitable for structure control and adjusting the composition of a liquid metal in order to obtain the required chemical specification. They are used instead of pure metal because they are very economical and save production time and energy. They can be formed in various shapes.
The datasheet given below will discuss about aluminium/aluminum zirconium master alloy.
Chemical Composition
The chemical composition of aluminium/aluminum zirconium master alloy is outlined in the following table.
|
Element |
Content (%) |
|
Zirconium, Zr |
4.5-5.5 |
|
Iron, Fe |
0.25 max |
|
others |
0.5 max |
|
Aluminum, Al |
Remainder |
Physical Properties
The following table shows the physical of aluminium/aluminum zirconium master alloy.
|
Properties |
Metric |
Imperial |
|
Density |
2.85-2.95 g/cm³ |
0.102-0.106 lb/in³ |
|
Melting point |
1100°C |
2012°F |
Applications
Aluminium/aluminum zirconium master alloy is used for alloying zirconium in few foundry alloys and 7000 series wrought aluminium alloys.