Hafnium-base mixed metal material and iodination preparation method thereof

A technology for the preparation of mixed metals and iodination, which is applied in the field of synthesis and preparation of mixed metal materials, can solve problems such as the inability to ensure uniform product components and low production efficiency, and achieve continuous batch production, high production efficiency, and low production costs.

Inactive Publication Date: 2015-03-25
GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention aims at the low production efficiency in the process of preparing hafnium-based mixed metal materials by the current traditional smelting method, and c...

Method used

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  • Hafnium-base mixed metal material and iodination preparation method thereof
  • Hafnium-base mixed metal material and iodination preparation method thereof

Examples

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Effect test

Embodiment 1

[0036] A method for preparing hafnium-titanium mixed metal material by iodination, comprising the following steps:

[0037] (1) Weigh 99.9wt.% of the base metal hafnium and 0.01wt.% of titanium, a total of 30kg. The particle size of hafnium and titanium is about 3-5mm, and they are evenly mixed; the purity of hafnium and titanium are both 99.9wt.%.

[0038] (2) Put the mixed metal raw material 3 into the iodination device, install it between the molybdenum mesh 4 and the inner wall of the reaction tank 2, and evacuate it to 1×10 -3 Pa, start the iodination reaction, add 300g of solid iodine into the reaction tank 2 with a certain temperature through the iodine adding device 7, and the generated iodine vapor reacts with the metal elements Hf and Ti in the raw material at a temperature of about 500 °C Volatile iodides are generated, and the generated volatile iodides are transferred to the mother wire 5 with a temperature of about 1300°C and passed through an electric current, ...

Embodiment 2

[0041] A method for preparing hafnium-zirconium mixed metal material by iodination, comprising the following steps:

[0042] (1) Weigh 90wt.% of the matrix metal hafnium and 10wt.% zirconium, 20kg in total, the particle size of hafnium and zirconium are both about 2-5mm, mix well; the purity of each metal element is 99.9wt.%;

[0043] (2) Put the mixed metal raw materials into the iodination device and vacuumize to 5×10 -3 Pa, start the iodination reaction, the amount of iodine added in the iodination device is 200g, Hf and Zr react with iodine vapor at a temperature of 400°C to generate volatile iodide, and the generated volatile iodide is transferred to 1250°C On the mother wire at a temperature of about 100%, it decomposes to form a hafnium-zirconium mixed metal material; the reaction process is about 20 hours, and the purity of the obtained hafnium-zirconium mixed metal material is 99.95w%, and the composition of hafnium and zirconium in the material has a certain proporti...

Embodiment 3

[0046] A method for preparing hafnium-zirconium-titanium mixed metal material by iodination, comprising the following steps:

[0047] (1) Weigh 70wt.% of matrix metal, 20wt.% zirconium and 10wt.% titanium, a total of 15kg, the particle size of hafnium, zirconium and titanium are all about 1-6mm, mix well; the purity of each metal element is 99.9% ;

[0048] (2) Put the mixed metal raw materials into the iodination device and vacuumize to 1×10 -3 Pa, the iodination reaction starts, the amount of iodine added in the iodination device is 300g, Hf, Zr and titanium react with iodine vapor at a temperature of about 500°C to generate volatile iodide, and the generated volatile iodide is transmitted On the mother wire at a temperature of about 1300°C, it decomposes to form a hafnium-zirconium-titanium mixed metal material; the reaction process is about 30 hours, and the purity of the obtained hafnium-zirconium-titanium mixed metal material is 99.95w%. The composition and raw material...

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Abstract

The invention relates to a hafnium-base mixed metal material and an iodination preparation method thereof, and belongs to the field of synthesis and preparation of mixed metal materials. The hafnium-base mixed metal material is composed of a matrix metal hafnium and other metal compositions, and the other metal compositions comprise one or two or more of Zr, Ti, Al, B, Ba, Be, Ca, Ce, Co, Cs, Dy, Er, Fe, Gd, Ho, La, Mg, Mn, Mo, Nb, Ni, Pr, Sc, Sm, Sr, Ta, V, W, Y and Yb. The hafnium-base mixed metal material with the purity up to 99.95 wt% can be prepared through an iodination reaction, and continuous batch production can be realized, and the advantages of uniform product compositions, high production efficiency, relatively low production cost and the like are provided.

Description

technical field [0001] The invention relates to a hafnium-based mixed metal material and an iodide preparation method thereof, belonging to the field of synthesis and preparation of mixed metal materials. Background technique [0002] Hafnium-based mixed metal materials have good application prospects in many fields, such as sputtering targets and many mixed metal products or alloys. The traditional preparation method of the billet is to add alloying elements to the molten pool of the main metal, or to mix and prepare various molten raw materials according to the required ratio before melting. Due to the difference in the melting point of each metal element, it is difficult to melt the entire billet material at the same time during the above-mentioned smelting process, resulting in the inhomogeneity of the billet composition and affecting its final use performance. In order to make the composition of the billet tend to be uniform, the billet must be smelted repeatedly, and ...

Claims

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Application Information

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IPC IPC(8): C22C27/00C22C1/00
Inventor 尹延西田丽森胡志方江洪林王力军
Owner GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS BEIJNG
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