Aluminum-zirconium intermediate alloy and preparation method
A master alloy, aluminum zirconium technology, applied in the field of aluminum zirconium master alloy and preparation, can solve the problems of uncertainty, difficult flaw detection, insufficient dissolution, etc., achieve uniform distribution, reduce the risk of segregation, and improve performance.
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Embodiment 1
[0025] Aluminum Zirconium Master Alloy
[0026] Zirconium is contained in aluminum with a weight content of 9-10%.
Embodiment 2
[0028] Aluminum Zirconium Master Alloy
[0029] The aluminum contains zirconium in an amount of 10% by weight.
[0030] exist Figure 1-a and Figure 1-b In the metallographic structure diagram of the traditional aluminum-zirconium master alloy shown, it can be seen that the Al3Zr compound is in the form of thin strips, and more Al3Zr compounds are segregated. exist Figure 2-a and Figure 2-b In the metallographic structure diagram of the aluminum-zirconium master alloy disclosed in the present invention, it can be seen that the Al3Zr compound is in the form of a block, its size is reduced to 20-100 microns, and the distribution is more uniform and dispersed.
[0031] In the aluminum-zirconium master alloys disclosed in Embodiment 1 and Embodiment 2 of the present invention, by increasing the content of zirconium to about 10%, it is beneficial to form more massive Al3Zr compounds, and the size of the massive Al3Zr compounds is reduced to 20% ~100 microns, the distribution...
Embodiment 3
[0033] Preparation method of aluminum-zirconium master alloy
[0034] see image 3 , image 3 It is a flow chart of the preparation method of the aluminum-zirconium master alloy disclosed in the present invention. include:
[0035] Step S1: Prepare raw materials, use the raw aluminum liquid and zirconium sponge powder as raw materials, calculate the ingredients according to the content requirements of each element in the aluminum-zirconium master alloy, and weigh the above raw materials for use.
[0036] The content of aluminum element in the original aluminum liquid is 99.9%, the content of zirconium element in the sponge zirconium powder is 99%, according to the requirement of 9-10% zirconium element content in aluminum, and weigh the original aluminum liquid and sponge respectively Zirconium powder is spare.
[0037] Step S2: smelting, adding the raw aluminum liquid and zirconium sponge powder after baking the furnace, then heating up and melting, after the metal in the...
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