Multi-metal ladder-type compound casting device and method
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A composite casting and step-type technology, which is applied in the field of multi-metal step-type composite casting devices, can solve the problems of low productivity and poor interface quality, and achieve the effects of reasonable structure, quality assurance, and avoidance of oxidation and air entrainment
Active Publication Date: 2018-03-20
CHINA ZHONGWANG
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[0007] In view of this, in order to solve the problems existing in the above-mentioned aluminum alloy composite casting process, the present invention provides a multi-metal stepped composite casting device and method. Problems such as poor interface quality
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Embodiment 1
[0042] In Example 1, the first alloy is 3003 aluminum alloy, the second alloy is 6061 aluminum alloy, the third alloy is 7050 aluminum alloy, the fourth alloy is 4045 aluminum alloy, and the ingot size is 400 (width) × 200 (thickness) × 2000 (length) mm, the thickness of the four layers are 40, 70, 70, 20mm respectively.
[0043] The step casting method of the multi-metal layered composite ingot, the specific steps are as follows:
[0044] Step 1: Melting of the alloy
[0045] The four kinds of alloys were smelted, refined and kept in four smelting furnaces respectively, and kept warm for later use. Among them, the pouring temperature of 3003 aluminum alloy was controlled at 710°C (the liquidus line of 3003 aluminum alloy was 658°C, and the solidus line was 646°C). The pouring temperature of 6061 aluminum alloy is controlled at 740°C (the liquidus line of 6069 aluminum alloy is 652°C, and the solidus line is 533°C), and the pouring temperature of 7050 aluminum alloy is contro...
Embodiment 2
[0050] In Example 2, the first alloy is 4032 aluminum alloy, the second alloy is 6069 aluminum alloy, the third alloy is 7075 aluminum alloy, the fourth alloy is high-purity aluminum, and the ingot size is 400 (width) × 200 (thick) × 2000 (length) mm, the thickness of the four layers are 20, 80, 80, 20mm respectively.
[0051] The step casting method of the multi-metal layered composite ingot, the specific steps are as follows:
[0052] Step 1: Melting of the alloy
[0053] The four kinds of alloys were smelted, refined and kept in four smelting furnaces respectively, and kept warm for later use. Among them, the pouring temperature of 4032 aluminum alloy was controlled at 730°C (the liquidus line of 4032 aluminum alloy was 570°C, and the solidus line was 517°C). The pouring temperature of 6069 aluminum alloy is controlled at 750°C (the liquidus line of 6069 aluminum alloy is 647°C, and the solidus line is 511°C), and the pouring temperature of 7075 aluminum alloy is controlle...
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Abstract
The invention belongs to the technical field of metal material preparation, and relates to a multi-metal ladder-type compound casting device and method. The multi-metal ladder-type compound casting device comprises a combined ladder-type crystallizer, a ladder cooling plate, hot tops and dummy ingots, wherein the combined ladder-type crystallizer, the ladder cooling plate, the hot tops and the dummy ingots correspond to one another mutually. The combined ladder-type crystallizer is composed of an initial cooling water tank, a plurality of side surface cooling water tanks and a terminal coolingwater tank from top to bottom in a combined ladder-type mode. The initial cooling water tank, the multiple side surface cooling water tanks and the terminal cooling water tank are connected with thehot tops correspondingly. One end of the ladder cooling plate is correspondingly connected with the initial cooling water tank, the multiple side surface cooling water tanks and the terminal cooling water tank. The other end of the ladder cooling plate is connected with the corresponding hot top. The combined ladder-type crystallizer is divided into a plurality of melt cavities by the ladder cooling plate. Each dummy ingot is mounted under the corresponding melt cavity. Each melt cavity is provided with a shunt plate. The whole melt cavities are distributed in a ladder-type mode in the vertical direction. According to the casting method, casting forming of multi-layer metal can be achieved once, and the problems that a traditional technology is low in production rate and poor in interfacequality are solved.
Description
technical field [0001] The invention belongs to the technical field of metal material preparation, and relates to a multi-metal stepped composite casting device and method. Background technique [0002] Layered composite metal material is a new type of structural material and functional material that combines two or more metals with different properties in a layered manner at the interface through physical or chemical methods. It can not only have the properties of the raw materials Advantages, and can make up for their respective shortcomings through the "complementary effect", so as to obtain physical, chemical and mechanical properties that cannot be compared with a single material. Layered composite metal materials have been widely used in transportation, aerospace, petrochemical, medical equipment, construction and other fields due to their good design and excellent comprehensive performance. [0003] At present, the methods for preparing layered composite metal materi...
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