A kind of titanium alloy thin plate and processing method thereof

A processing method, titanium alloy technology, applied in the field of alloys, can solve problems such as poor shielding effect, avoiding weak electromagnetic interference, and generation of pores, and achieve the effect of reducing weight

Active Publication Date: 2022-03-25
江苏沃钛有色金属有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the metals with shielding effect are often gold, silver and lead. However, if the metal with the effect of avoiding electromagnetic interference is coated on the surface of the alloy by conventional melting technology, pores will be generated on the one hand, and the bonding part between the coating and the substrate will be damaged. It is easy to crack, and the integrity of the coating is difficult to guarantee; third, if only the metal with the effect of avoiding electromagnetic interference is used for coating, the shielding effect is poor, and the ability to avoid electromagnetic interference is not strong

Method used

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  • A kind of titanium alloy thin plate and processing method thereof
  • A kind of titanium alloy thin plate and processing method thereof
  • A kind of titanium alloy thin plate and processing method thereof

Examples

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Embodiment 1

[0028] The titanium alloy in this embodiment includes the following raw materials in parts by weight: 80 parts of titanium powder, 60 parts of magnesium powder, 17 parts of urea, 13 parts of ammonium bicarbonate, 8 parts of silicon carbide, and 7 parts of synthetic wax.

[0029] Among them, the cladding powder is composed of lead iodide powder and tungsten carbide powder, and the composition and particle size are shown in the table below.

[0030] lead iodide Tungsten carbide Composition % 20 80 purity% 99.99 99.96 Particle size (mesh) 150 260

Embodiment 2

[0032] The titanium alloy in this embodiment includes the following raw materials in parts by weight: 84 parts of titanium powder, 63 parts of magnesium powder, 18 parts of urea, 14 parts of ammonium bicarbonate, 10 parts of silicon carbide, and 12 parts of synthetic wax.

[0033] Among them, the cladding powder is composed of lead iodide powder and tungsten carbide powder, and the composition and particle size are shown in the table below.

[0034] lead iodide Tungsten carbide Composition % 25 75 purity% 99.90 99.90 Particle size (mesh) 200 200

Embodiment 3

[0036] The titanium alloy in this embodiment includes the following raw materials in parts by weight: 85 parts of titanium powder, 70 parts of magnesium powder, 19 parts of urea, 15 parts of ammonium bicarbonate, 12 parts of silicon carbide, and 8 parts of synthetic wax.

[0037] Among them, the cladding powder is composed of lead iodide powder and tungsten carbide powder, and the composition and particle size are shown in the table below.

[0038] lead iodide Tungsten carbide Composition % 23 78 purity% 99.95 99.97 Particle size (mesh) 170 180

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Abstract

The invention discloses a titanium alloy thin plate and a processing method thereof. The titanium alloy thin plate is subjected to a plasma arc cladding technology, and lead iodide powder and tungsten carbide powder are mixed to form on the surface of the titanium alloy thin plate, which can strengthen the electromagnetic protection of the titanium alloy thin plate. The coating further reduces the weight of the alloy on the premise of ensuring the hardness of the alloy, and at the same time makes the electromagnetic wave change direction during the propagation process and travel along the metal material, so as to effectively play the role of electromagnetic shielding and protect the spacecraft from the radiation of space ions.

Description

technical field [0001] The invention belongs to the technical field of alloys, and in particular relates to a thin titanium alloy plate and a processing method thereof. Background technique [0002] Titanium alloy has the advantages of high specific stiffness, high specific strength, good corrosion resistance, heat resistance, plastic toughness and excellent processability. It has become an important material used in aerospace, transportation, petrochemical and biomedical fields. Cutting-edge disciplines and high-tech aspects occupy an important position. [0003] At present, titanium alloys are mainly used in the preparation of fuel storage tanks and pipelines in the aerospace field, and are rarely used in the manufacture of on-board equipment casings. The main reason is that currently titanium alloys mainly use metal elements such as Al and Fe to form alloys with Ti, which has a poor shielding effect on electromagnetic interference, especially for important on-board units...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C24/10C22C30/00C22C32/00C23C24/06B21B1/38
CPCC23C24/10C22C30/00C22C14/00C22C32/0094C23C24/06B21B1/38B21B2001/386
Inventor 潘丽菊袁东良
Owner 江苏沃钛有色金属有限公司
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