| Customization: | Available |
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| Certification: | ISO |
| Shape: | Block |
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The invention provides a high energy ultrasonic method for preparing aluminum-yttrium intermediate alloy, which includes the following steps :(1) First, pure aluminum ingots are heated to melt in a crucible, then rare earth yttrium particles with a diameter of 20-100um are wrapped in aluminum foil and pressed into the pure aluminum melt, and held in the range of 725ºC ~ 745ºC for 30 ~ 40 minutes, in which the rare earth yttrium content accounts for 10 of the total weight ~ 15%; (2) Intermittent high-energy ultrasound was applied 10-15mm below the surface of the molten fluid of the alloy, and the ultrasonic intensity was 0.3kw/cm2 ~ 0.5kw/cm2; (3) Ultrasonic application time was 8-15min, each application time of high-energy ultrasound was 30-50 seconds, and the interval time was 30-50 seconds. (4) Then the alloy melt is reduced to 700ºC~710ºC for refining and impurity removal and pouring; The invention effectively avoids rare earth burning, has stable rare earth content and low energy consumption; And the process is simple, safe and reliable, easy to operate, to ensure uniform alloy composition, reduce segregation.
Application of Al-scandium sputtering targets
Aluminum-scandium alloys are much stronger than other high-strength alloys, showing significant grain refinement, weld strengthening and thermal crack elimination. These alloys also exhibit excellent corrosion resistance, as recent studies have shown. Therefore, al-scandium sputtering targets can be effectively used in aerospace, sports and electronics industries.
space
Al-scandium sputtering target is superior to Al-magnesium, Al-lithium and other aviation alloys in terms of low density and high strength. More and more Al-scandium alloy target research projects have been carried out in various countries. Currently, aluminum-scandium sputtering targets have been used in aircraft bulkhead coatings, wing coatings, various rotating and motion gears and fuel and exhaust systems. Aluminum-scandium alloy products have great potential in the aerospace industry.
Sports equipment
The higher strength and better ductility of al-scandium alloys make them more attractive than ordinary aluminum alloys in the sports industry. Aluminum-scandium alloys are used in the manufacture of sports equipment such as baseball bats and golf clubs, and aluminum-scandium sputtering targets are used in some surface coatings for helmets and sports metal equipment.
Electronic Products
Nowadays, electronic products are moving towards the trend of "lighter", which is something electronic manufacturers need to consider. Al-scandium alloy with its low density but high strength outstanding characteristics, is the first choice of electronic products shell products. In addition, the use of aluminum-scandium targets to coat surfaces of other materials also improves the durability and life of the casing. In addition to electronic casings, al-scandium alloy sputtering targets are also used for internal components, such as coating semiconductor chips and sensors.
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