High Toughness Ferro Niobium
Ferroniobium is a metal alloy whose main components are niobium and iron. Iron niobium has high toughness, which is due to its special chemical and physical properties. This article will explain the reason of high toughness of niobium iron from various aspects.
Description
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Description
The chemical composition of ferroniobium alloys is niobium and iron, with the content of niobium usually 50-65% and iron 35-50%.
In addition, niobium iron may also contain a small amount of carbon, molybdenum, titanium and other elements. This chemical composition determines the excellent mechanical properties of iron niobium.
The niobium element in ferroniobium alloy has good solid solubility and can form uniform solid solution in iron matrix.
This kind of solid solution has good strength and toughness, and can effectively improve the mechanical properties of iron niobium.
Specification
|
Chemistry/Grade |
FeNb-D |
FeNb-B |
|
|
Ta+Nb≥ |
60 |
65 |
|
|
Less than (ppm) |
Ta |
0.1 |
0.2 |
|
Al |
1.5 |
5 |
|
|
Si |
1.3 |
3 |
|
|
C |
0.01 |
0.2 |
|
|
S |
0.01 |
0.1 |
|
|
P |
0.03 |
0.2 |
|
The high content of iron makes iron niobium have good magnetic properties. This magnetism can play an important role in the preparation process, for example, by controlling the metal flow through the magnetic field, a niobium alloy with good mechanical properties and microstructure can be prepared.
Other elements in iron niobium, such as carbon, molybdenum and titanium, can also affect its properties.
For example, the right amount of carbon can increase the hardness and wear resistance of iron niobium, the right amount of molybdenum can improve the strength and corrosion resistance of iron niobium, and the right amount of titanium can improve the workability of iron niobium.
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