Titanium/nickel alloy parts and preparation method based on explosive welding and laser additive manufacturing

A laser additive and nickel alloy technology, applied in laser welding equipment, chemical instruments and methods, cleaning methods using liquids, etc., can solve problems such as limiting the application of alloy products, achieve connection and free forming, good application prospects, good performance effect

Active Publication Date: 2021-05-11
有研金属复材技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, metal devices prepared by laser additive manufacturing technology are formed with a single material as a substrate (such as a Ti substrate), which greatly limits the application of alloy products.

Method used

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  • Titanium/nickel alloy parts and preparation method based on explosive welding and laser additive manufacturing
  • Titanium/nickel alloy parts and preparation method based on explosive welding and laser additive manufacturing
  • Titanium/nickel alloy parts and preparation method based on explosive welding and laser additive manufacturing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A titanium / nickel alloy preparation method based on explosive welding and laser additive manufacturing was used to prepare the TA15 / GH4169 double alloy, such as figure 1 As shown, the middle composite plate 1 adopts TA2 / Q345R.

[0034] This embodiment includes the following steps:

[0035] 1) The TA2 / Q345R composite plate is prepared by explosive welding, the surface of the Q345R steel plate 5 is polished to remove dirt and oxide film, the TA2 titanium plate 4 is preset on the steel plate, and the distance between the titanium plate 4 and the steel plate 5 is 4 mm; ammonium nitrate is used As an explosive, the detonation velocity of the explosive is 1500m / s, and the amount of explosive is 1.0g / cm -2 ;Arrange the explosives on the titanium plate and detonate through the detonator. The thickness of the TA2 plate and the Q345R plate are both 1mm;

[0036] 2) Use No. W14 metallographic sandpaper to grind both sides of the composite board to remove the oxide layer and othe...

Embodiment 2

[0046] The titanium / nickel double alloy preparation method based on explosive welding and laser additive manufacturing was used to prepare the TC4 / GH4169 double alloy, and the intermediate composite plate was made of TA1 / N6.

[0047] This embodiment includes the following steps:

[0048] 1) The TA1 / N6 composite plate was prepared by explosive welding, the surface of the N6 plate was polished to remove dirt and oxide film, and the titanium plate TA1 was preset on the nickel plate with a distance of 6 mm; ammonium nitrate was used as the explosive, and the detonation velocity of the explosive was 2000m / s, the amount of explosive is 1.5g / cm -2 ;Arrange the explosives on the titanium plate and detonate through the detonator. The thickness of the TA1 plate and the N6 plate are both 2mm;

[0049] 2) Use No. W14 metallographic sandpaper to grind both sides of the composite board to remove the oxide layer and other impurities, and then put the composite board into 99% alcohol for ult...

Embodiment 3

[0058] The titanium / nickel double alloy preparation method based on explosive welding and laser additive manufacturing was used to prepare the TA15 / GH4033 double alloy, and the intermediate composite plate was TA2 / Q235B.

[0059] This embodiment includes the following steps:

[0060] 1) The TA2 / Q235B composite plate is prepared by explosive welding, the surface of the Q235B steel plate is polished to remove dirt and oxide film, and a TA2 titanium plate is preset on the steel plate with a distance of 6mm; ammonium nitrate is used as the explosive, and the detonation velocity of the explosive is 2500m / s, the amount of explosive is 2.0g / cm -2 ;Arrange the explosives on the titanium plate and detonate through the detonator. The thickness of the TA2 plate and the Q235B plate are both 3mm;

[0061] 2) Use No. W14 metallographic sandpaper to grind both sides of the composite board to remove the oxide layer and other impurities, and then put the composite board into 99% alcohol for ...

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Abstract

The invention discloses a titanium / nickel alloy component and a preparation method based on explosive welding and laser additive manufacturing, which belong to the technical field of connection of bimetal components. The titanium / nickel alloy parts include connected explosive welding parts and laser additive manufacturing parts, the explosive welding parts are titanium / steel composite plates or titanium / nickel composite plates, and the materials of the laser additive manufacturing parts are titanium alloys or F. The invention prepares titanium / nickel alloy components based on explosive welding and laser additive manufacturing methods, and the intermediate transition layer is connected by explosive welding, which overcomes the problem of interface cracking caused by brittle intermetallic compounds produced by direct contact of titanium / nickel alloys; The explosively welded parts are used as the substrate to prepare titanium / nickel alloy parts by laser additive manufacturing process, which has fast forming speed, good flexibility and high efficiency.

Description

technical field [0001] The invention belongs to the technical field of connection of bimetallic components, and in particular relates to titanium / nickel alloy components manufactured based on explosive welding and laser additive manufacturing and a preparation method. Background technique [0002] With the continuous advancement of science and technology, a single part often needs to meet a variety of complex use requirements, and the requirements for materials are getting higher and higher. Gradient structure materials have gradually become a research hotspot due to the different properties of materials in different parts. Nickel-based superalloy materials have high strength, good oxidation resistance and gas corrosion resistance, and can be used in the range of 600-1000 °C, but their high density will increase the weight of parts; titanium alloys are light, high-strength, durable The advantages of thermal corrosion resistance, its use temperature is usually below 650 ℃, wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B23K20/08B23K26/14B23K26/70B08B3/12B24B27/033B33Y10/00B33Y30/00B33Y70/00
CPCB08B3/12B23K20/08B23K26/14B23P15/00B24B27/033B33Y10/00B33Y30/00B33Y70/00B23K26/702
Inventor 刘彦涛张永忠叶章根梁博
Owner 有研金属复材技术有限公司
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