Low Density FeSiZr Ferro Silicon Zirconium
Compared with other metal materials, the density of ferrosilicone-zirconium alloy is low, because the composition and microstructure of ferrosilicone-zirconium alloy have certain particularity. This paper will explain the low density of ferrosilicon zirconium alloy from various aspects.
Description
Description
The density of parts prepared by ferrosilicone-zirconium alloy is usually between 6.9 and 7.3g/cm³, which is smaller than that of steel and copper. For example, ferrosilicone-zirconium alloy can be used in the manufacturing of parts in automotive, aerospace and other fields, such as pistons and valves for automotive engines and turbine blades for aeroengines. These parts need to have high strength, high temperature performance and other special properties.
Specification
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FeSiZr (%)
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|||||
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Grade
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Zr
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Si
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C
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||
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FeSiZr50
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45-55
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35-40
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≦0.5
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Normal Size
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10-100mm | ||||
The main reasons for the low density of ferrosilicone-zirconium alloy are as follows:
1. Selection of alloying elements: The alloying elements silicon and zirconium in ferrosilicone-zirconium alloy have smaller atomic weights, so they occupy smaller volumes compared with other elements, thus reducing the density of the alloy.
2. Particularity of microstructure: the silicide distribution of ferrosilicide zirconium alloy is uniform, the binding force between silicide and iron matrix is strong, and the silicide has good high temperature strength and stability.
3. Optimization of processing technology: the processing technology of iron silicon zirconium alloy can be optimized to control the distribution and shape of the silicates of the alloy, so as to reduce the density of the alloy. For example, by controlling the heating temperature and holding time of the alloy, silicide of different shapes and sizes can be obtained, thus reducing the density of the alloy.
4. The porosity of the alloy: the porosity of ferrosilicone-zirconium alloy is small, which is also one of the reasons for its low density. The porosity of an alloy is the ratio of the volume of pores present in the alloy to the total volume.
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Hot Tags: low density fesizr ferro silicon zirconium, Ferro Silicon Zirconium Alloy, Ferro Silicon Zirconium
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