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Ti/X metal ceramic with laminated structure and preparation method of Ti/X metal ceramic

A technology of cermet and laminated structure, applied in the direction of additive processing, etc., can solve the problems of poor chemical compatibility and wettability, thermodynamic mismatch, large difference in thermal expansion coefficient, etc., to overcome chemical compatibility and good ductility Effect

Active Publication Date: 2020-12-15
上海梁为科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in the process of compounding oxide ceramics (or nitride ceramics, carbide ceramics) and titanium matrix, due to the poor chemical compatibility and wettability of materials, and the large difference in thermal expansion coefficient of materials, it is easy to cause in oxide ceramics ( Or nitride ceramics, carbide ceramics) materials and titanium composite interface formed between thermodynamic mismatch, resulting in stress concentration, resulting in oxide ceramics (or nitride ceramics, carbide ceramics) material and titanium interface formed cracks or voids, resulting in a serious decline in the hardness, impact resistance, wear resistance, fatigue resistance and other properties of the composite material

Method used

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  • Ti/X metal ceramic with laminated structure and preparation method of Ti/X metal ceramic
  • Ti/X metal ceramic with laminated structure and preparation method of Ti/X metal ceramic
  • Ti/X metal ceramic with laminated structure and preparation method of Ti/X metal ceramic

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preparation example Construction

[0044] The present invention also provides a method for preparing a Ti / X cermet with a laminated structure, comprising the following steps:

[0045] Substrate printing step: use a specific double-beam 3D printing device to print titanium nanomaterials to form a first titanium nanolayer 1, and use the Ti layer formed by the first titanium nanolayer 1 as a substrate.

[0046] Laminate printing steps: First, use a specific double-beam 3D printing device to print the first cermet material nano-layer 2 on the first titanium nano-layer 1 to form an X-layer on the substrate; secondly, use a specific The double-beam 3D printing equipment prints the second titanium nanolayer 4 on the first cermet material nanolayer 2 with titanium nanomaterials to form a Ti layer on the X layer.

[0047] Multi-layer printing steps: First, use a specific double-beam 3D printing device to print the second titanium nano-layer 5 on the second titanium nano-layer 4 to form an X layer on the Ti layer; second...

Embodiment 2

[0083] The Ti / AlN ceramics with laminated structure of the present embodiment, such as figure 1 As shown, it includes Ti layer, Ti-AlN transition layer, AlN layer, Ti-AlN transition layer, Ti layer... Ti-AlN transition layer, AlN layer, Ti-AlN transition layer, Ti layer from bottom to top.

[0084] The preparation method of the Ti / AlN ceramic of the present embodiment comprises the following steps:

[0085] 1) Conveying the titanium nanopowder material to the printing beam nozzle of the dual-beam 3D printing device;

[0086] 2) Drive the printing beam nozzle to move according to the preset trajectory and eject titanium nanomaterials to form the first titanium nanolayer 1;

[0087] 3) transporting the AlN nano powder to the printing beam nozzle, driving the printing beam nozzle to move according to a preset trajectory and ejecting the AlN nano powder to form the first AlN nano layer on the first titanium nano layer 1;

[0088] 4) The interface between the first titanium layer...

Embodiment 3

[0098] The Ti / SiC ceramics with laminated structure of the present embodiment, such as figure 1 As shown, it includes Ti layer, Ti-SiC transition layer, SiC layer, Ti-SiC transition layer, Ti layer... Ti-SiC transition layer, SiC layer, Ti-SiC transition layer, Ti layer from bottom to top.

[0099] The preparation method of the Ti / SiC ceramic of the present embodiment comprises the following steps:

[0100] 1) Conveying the titanium nanopowder material to the printing beam nozzle of the dual-beam 3D printing device;

[0101] 2) Drive the printing beam nozzle to move according to the preset trajectory and eject titanium nanomaterials to form the first titanium nanolayer 1;

[0102] 3) Transporting the SiC nano powder to the printing beam nozzle, driving the printing beam nozzle to move according to a preset trajectory and ejecting the SiC nano powder to form a first SiC nano layer on the first titanium nano layer 1;

[0103] 4) The interface between the first titanium layer 1...

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Abstract

The invention provides Ti / X metal ceramic with a laminated structure and a preparation method of the Ti / X metal ceramic. The Ti / X metal ceramic with the laminated structure sequentially comprises a Tilayer, a Ti-X transition layer, an X layer, a Ti-X transition layer, a Ti layer... a Ti-X transition layer, an X layer, a Ti-X transition layer and a Ti layer from bottom to top. The Ti / X metal ceramic with the laminated structure has the characteristics of toughness of titanium, hardness of an X nano material and the like, and has good ductility, heat resistance, wear resistance and impact resistance. According to the Ti / X metal ceramic with the laminated structure and the preparation method of the Ti / X metal ceramic, printing is carried out layer by layer through 3D printing equipment according to the stacking sequence of the Ti layer-X layer-Ti layer-X layer-Ti layer, an interface between the Ti layers and the X layers is subjected to rapid cold processing treatment through ultra-strong pulse energy beams or particle beams, and the Ti-X transition layers combining the Ti layers and the X layers are formed; and the problems of poor chemical compatibility and wettability of a titanium nano material and the X nano material can be solved, compounding of the Ti nano material and the X nano material can be well achieved, and then the Ti / X metal ceramic which is high in interface bonding and has the laminated structure is formed.

Description

technical field [0001] The invention belongs to the technical field of cermet composite materials, and in particular relates to a Ti / X cermet with a laminated structure and a preparation method thereof. Background technique [0002] Titanium metal and its alloys have light weight, high strength, good biocompatibility and corrosion resistance, and are widely used in aviation, medical and other fields. Oxide ceramics (or nitride ceramics, carbide ceramics) materials have excellent strength, hardness, insulation, heat conduction, high temperature resistance, oxidation resistance, corrosion resistance, wear resistance and high temperature strength. It has good high temperature stability and mechanical properties, and has attracted much attention in the material industry. By combining oxide ceramics (or nitride ceramics, carbide ceramics) materials with titanium alloys, the mechanical strength, high temperature resistance, wear resistance and other properties of the titanium mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F7/02B22F3/24B33Y70/10B33Y40/20C04B35/01C04B35/56C04B35/58C04B35/10C04B35/581C04B35/565C04B35/622
CPCB22F7/02B22F3/24B33Y70/10B33Y40/20C04B35/01C04B35/56C04B35/58C04B35/10C04B35/581C04B35/565C04B35/622C04B2235/3244C04B2235/3237C04B2235/3418C04B2235/3225C04B2235/3886C04B2235/3873C04B2235/3843C04B2235/3856Y02P10/25
Inventor 梁家昌郑震
Owner 上海梁为科技发展有限公司
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