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Titanium and titanium alloy low-cost continuous casting technology and equipment

A titanium alloy, low-cost technology, applied in the field of metal material preparation and processing, can solve problems such as low thermal strength, achieve the effect of speeding up melting, avoiding oxidation problems, and ensuring metallurgical quality

Active Publication Date: 2015-09-23
SHANGI INST FOR ADVANCED MATERIALSNANJING CO LTD
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Problems solved by technology

Their research on titanium alloys such as Ti-6242 and Ti-1023 shows that titanium has excellent thermoplasticity and low thermal strength, and its high-temperature processing performance is better than steel. They are trying to realize the possibility of continuous casting and rolling technology of titanium and titanium alloys. Provide evidence, but did not carry out relevant substantive work

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  • Titanium and titanium alloy low-cost continuous casting technology and equipment

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Embodiment Construction

[0024] The invention provides a low-cost continuous casting technology for titanium and titanium alloys, comprising the following steps:

[0025] a. Feeding: The titanium or titanium alloy blank is transported from the feeding chamber into the melting chamber along the feeding track under the action of the feeding driving roller;

[0026] b. Melting: After the titanium or titanium alloy billet enters the melting chamber, it is transported to the first plasma gun under the continuous action of the driving roller, and the billet is melted by the ion arc generated by the first plasma gun;

[0027] c. Cooling and pulling down: the molten titanium or titanium alloy solution will drop into the crystallizer for slow cooling to form an ingot, and then use the pull-down mechanism set under the crystallizer to pull down;

[0028] d. Cutting off: start the second plasma gun arranged on the side every time the pull-down mechanism pulls down one meter, and cut off the ingot by using the io...

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Abstract

The invention relates to a titanium and titanium alloy low-cost continuous casting technology and equipment. Under argon protecting or inert gas atmosphere, a plasma gun of at least 65 KW is used as a heat source. Through a crystallizer, a plasma gun and a down-pulling mechanism, continuous casting of titanium and titanium alloy circular and flat cast ingots is achieved. The machining cost of titanium alloy is lowered by about at least 15%. The produced titanium and titanium alloy are even in components, segregation is avoided, and metallurgical quality problems are avoided.

Description

technical field [0001] The patent of the invention relates to a low-cost, short-process continuous casting technology and equipment for titanium and titanium alloys, belonging to the field of metal material preparation and processing. Background technique [0002] As metal materials with the highest specific strength, titanium and titanium alloys have the characteristics of high temperature resistance, corrosion resistance, non-magnetic and good welding performance, and are widely used in national defense technology and civilian industrial technology. However, due to the high cost of preparation and processing of titanium and titanium alloy materials, they cannot be widely used like steel and aluminum. Among the relatively high costs of titanium alloys, in addition to raw materials, vacuum melting and processing account for 60% of the total cost. In order to reduce costs, scientific and technological workers have carried out work on the low-cost manufacturing technology of ...

Claims

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Application Information

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IPC IPC(8): B22D11/04B22D11/055B22D11/126B22D21/00
Inventor 常辉董月成李峰崔予文鲁晓刚周廉
Owner SHANGI INST FOR ADVANCED MATERIALSNANJING CO LTD
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