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Preparation method of wide pure titanium foil coiled tape

A pure titanium and foil technology, used in metal rolling, manufacturing tools, metal rolling, etc., can solve the problem of destroying the integrity of the oxide layer of pure titanium foil coils, unable to strictly control the distribution of rolling pressure, reducing coiling and striping. problems such as production efficiency and yield, to achieve the effect of low impurity element content, inhibition of corrosion, and fewer internal defects

Pending Publication Date: 2022-04-29
新疆湘润新材料科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the industrial use puts forward certain requirements on the performance of titanium foil, on the one hand, titanium foil can only be rolled by a narrow rolling mill at present, and the width of the foil is between 500 and 1000mm. The narrow foil reduces the production of coils. Efficiency and yield increase the production cost invisibly. On the other hand, if the distribution of rolling pressure cannot be strictly controlled, the error between the target thickness and the target thickness will be too large due to excessive rolling force, which will affect the subsequent process and reduce the cost of the coil. At the same time, it is easy to destroy the integrity of the oxide layer on the surface of the pure titanium foil coil, reduce its corrosion resistance, and affect normal use

Method used

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  • Preparation method of wide pure titanium foil coiled tape
  • Preparation method of wide pure titanium foil coiled tape

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as figure 1 Shown, a kind of wide-width pure titanium foil strip preparation method comprises the following steps:

[0034] S1. Vacuum melting

[0035] 0A grade sponge titanium is used for batching production. After being fully stirred by the Consac mixing system, the density is 3.5g / cm3 prepared by an 8000-ton hydraulic press. 3 The electrode block is then smelted in a 10-ton vacuum consumable furnace twice to prepare a density of 4.51g / cm 3Finished pure titanium casting, the finished pure titanium ingot prepared by the above pressing and smelting has high specific strength and good corrosion resistance, which meets the requirements of use; the chemical composition of the finished titanium ingot is O≤0.05wt.%, Fe≤0.03 wt.%, N≤0.007wt.%, H≤0.005wt.%, C≤0.012wt.%, Al≤0.015wt.%, the prepared finished titanium ingot has low content of impurity elements, high purity, no pores, no Inclusions significantly improve the quality of finished pure titanium ingots and meet ...

Embodiment 2

[0047] Such as figure 1 Shown, a kind of wide-width pure titanium foil strip preparation method comprises the following steps:

[0048] S1. Vacuum melting

[0049] 0A grade sponge titanium is used for batching production. After being fully stirred by the Consac mixing system, the density is 3.5g / cm3 prepared by an 8000-ton hydraulic press. 3 The electrode block is then smelted in a 10-ton vacuum consumable furnace twice to prepare a density of 4.51g / cm 3 Finished pure titanium casting, the finished pure titanium ingot prepared by the above pressing and smelting has high specific strength and good corrosion resistance, which meets the requirements of use; the chemical composition of the finished titanium ingot is O≤0.05wt.%, Fe≤0.03 wt.%, N≤0.007wt.%, H≤0.005wt.%, C≤0.012wt.%, Al≤0.015wt.%, the prepared finished titanium ingot has low content of impurity elements, high purity, no pores, no Inclusions significantly improve the quality of finished pure titanium ingots and meet...

Embodiment 3

[0061] Such as figure 1 Shown, a kind of wide-width pure titanium foil strip preparation method comprises the following steps:

[0062] S1. Vacuum melting

[0063] 0A grade sponge titanium is used for batching production. After being fully stirred by the Consac mixing system, the density is 3.5g / cm3 prepared by an 8000-ton hydraulic press. 3 The electrode block is then smelted in a 10-ton vacuum consumable furnace twice to prepare a density of 4.51g / cm 3 Finished pure titanium casting, the finished pure titanium ingot prepared by the above pressing and smelting has high specific strength and good corrosion resistance, which meets the requirements of use; the chemical composition of the finished titanium ingot is O≤0.05wt.%, Fe≤0.03 wt.%, N≤0.007wt.%, H≤0.005wt.%, C≤0.012wt.%, Al≤0.015wt.%, the prepared finished titanium ingot has low content of impurity elements, high purity, no pores, no Inclusions significantly improve the quality of finished pure titanium ingots and meet...

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Abstract

The invention provides a preparation method of a wide pure titanium foil coiled tape, and belongs to the technical field of titanium material processing. 0A-grade sponge titanium is adopted as a raw material, two times of vacuum consumable electrode furnace smelting are carried out, oxide skin on the surface of a plate blank is removed through a numerical control milling machine, and micro cracks on the surface of the plate blank are polished through grinding equipment, so that the produced plate blank is uniform in tissue size and few in internal defect, and a solid foundation is laid for obtaining high-quality and high-yield plates; next, the plate blank is subjected to hot rolling, annealing shot blasting acid pickling, cold rolling acid pickling, secondary acid pickling annealing, surface rolling oil stain removal on a degreasing line and whole roll annealing in a vacuum bell-type furnace, and after the process treatment is conducted, the prepared titanium foil coiled material is more uniform in structure, the forming width is increased, the mechanical property is tested, the titanium foil coiled material is rolled into the (0.1-0.3) * 1530 * Cmm cold rolling titanium foil material through a 20-roller rolling mill; the mechanical property consistent with that of a finished product generated by a narrow rolling mill is kept, the production efficiency and the yield of the coiled tape are improved, and the production cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of titanium material processing, and in particular relates to a method for preparing a wide-width pure titanium foil coil. Background technique [0002] As a new type of material, pure titanium foil has the advantages of low density, high specific strength, good corrosion resistance, and excellent high temperature performance. It is widely used in aerospace, petrochemical, electronics and other industrial fields. In recent years, the application of titanium and titanium alloy strips and foils is also increasing, such as tight instruments for important purposes such as aerospace, fillers and gasket materials that require high corrosion resistance in the chemical industry, and components in the electronics industry. materials etc. It has high technical content and is difficult to manufacture. It is a high value-added titanium strip and foil material. [0003] Due to the industrial use puts forward certain re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/22B21B45/02B21B15/00B21B3/00C22F1/18C21D9/52C22C1/02C22C14/00C25D11/26
CPCB21B1/22B21B45/0269B21B15/00B21B3/00C22F1/183C21D9/52C22C1/02C22C14/00C25D11/26B21B2001/221B21B2001/225
Inventor 孙宇幸任浩张鹏飞雷一鸣郭晶张路路
Owner 新疆湘润新材料科技有限公司
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