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A repair method for deformation damage of titanium alloy plate

A treatment method, titanium alloy technology, applied in the field of titanium alloy plate processing technology, can solve the problems of internal cracks, large decrease in plate plasticity and toughness, and damage repair without improving the plastic properties of titanium alloy plates, so as to improve plastic properties, Improve the effect of processing

Active Publication Date: 2018-12-21
ANHUI WEIYE PURIFICATION EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to better enhance the performance of titanium alloys, it is usually necessary to carry out cold strengthening treatment, specifically to plastically deform the titanium alloy sheet to enhance its hardness and strength, but in this process, the plasticity of the sheet is usually caused. In order to enhance its comprehensive performance, it is usually necessary to improve the plasticity of the plate; in addition, micro-damages such as internal cracks and pores will appear during the processing or use of this type of plate. Handling will cause safety hazards such as deformation and breakage
At present, there is no effective method to improve the plastic properties and damage repair of titanium alloy sheets.

Method used

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  • A repair method for deformation damage of titanium alloy plate

Examples

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Comparison scheme
Effect test

Embodiment 1

[0029] A method for repairing deformation damage of a titanium alloy plate, comprising the following steps:

[0030] (1) Surface blasting treatment:

[0031] Put the titanium alloy plate to be processed into the sandblasting machine for processing, specifically use 0.3mm stainless steel shot blasting for 10 minutes, and take out the titanium alloy plate for later use;

[0032] (2) Pickling treatment:

[0033] Soak the titanium alloy plate treated in step (1) in a hydrofluoric acid solution with a mass concentration of 3% for 8 minutes. After completion, take it out, rinse it with deionized water, and dry it for later use;

[0034] (3) Polishing treatment:

[0035] First use 100-mesh sandpaper to rough polish the titanium alloy plate after step (2), and then use 150-mesh sandpaper to fine-polish it. After completion, rinse it with deionized water and dry it for later use;

[0036] (4) Primary pulse current processing:

[0037] Apply pulse current treatment to the titanium a...

Embodiment 2

[0048] A method for repairing deformation damage of a titanium alloy plate, comprising the following steps:

[0049] (1) Surface blasting treatment:

[0050] Put the titanium alloy plate to be processed into the sandblasting machine for processing, specifically use 0.4mm stainless steel shot blasting for 14 minutes, and take out the titanium alloy plate for later use;

[0051] (2) Pickling treatment:

[0052] Soak the titanium alloy plate treated in step (1) in a hydrofluoric acid solution with a mass concentration of 3% for 12 minutes. After completion, take it out, rinse it with deionized water, and dry it for later use;

[0053] (3) Polishing treatment:

[0054] First use 100-mesh sandpaper to rough polish the titanium alloy plate after step (2), and then use 150-mesh sandpaper to fine-polish it. After completion, rinse it with deionized water and dry it for later use;

[0055] (4) Primary pulse current processing:

[0056] Apply pulse current treatment to the titanium al...

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Abstract

The invention discloses a processing method for repairing titanium alloy plate deformation damage, and relates to a processing technology for titanium alloy plates. The method comprises the following steps of (1) surface sandblast processing, (2) pickling processing, (3) polishing processing, (4) primary pulse current processing, (5) high-temperature processing, (6) secondary pulse current processing, and (7) surface conventional processing. The processing method for repairing the titanium alloy plate deformation damage can achieve recovery of plasticity of the titanium alloy plates and repairation of defects such as cracks, holes and the like effectively, provides a good technical support for maintaining and promotion of processing and using features of the titanium alloy plates, is simple in technology and has high promotional value.

Description

technical field [0001] The invention relates to a treatment process for titanium alloy plates, in particular to a repairing treatment method for deformation damage of titanium alloy plates. Background technique [0002] Titanium alloy is widely used in our daily life because of its excellent comprehensive properties, and has gradually become one of the indispensable raw materials in aerospace, medical, automotive and mechanical fields. Among them, a variety of medical devices in the medical field, such as medical optical appliances, medical refrigeration appliances, medical basic equipment, etc., many of which components are made of titanium alloy plates, so the performance of titanium alloys is closely related to the use characteristics of such appliances . In order to better enhance the performance of titanium alloys, it is usually necessary to carry out cold strengthening treatment, specifically to plastically deform the titanium alloy sheet to enhance its hardness and s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22F3/00C21D10/00C22C14/00
CPCC21D10/00C22C14/00C22F3/00
Inventor 张宝祥
Owner ANHUI WEIYE PURIFICATION EQUIP CO LTD
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