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Additive manufacturing method, method and equipment for preparing gradient film materials

A thin film material and additive manufacturing technology, applied in the field of additive manufacturing, can solve the problems of uneven bonding area bonding force, low production efficiency, poor mechanical strength, etc., to reduce deposition defects, improve production efficiency, and reduce surface roughness. Effect

Active Publication Date: 2020-01-17
东营睿港管道工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The main purpose of the present invention is to provide an additive manufacturing method with controllable grain size of the tissue layer, so as to solve the problems of low efficiency, large and uneven grain size and poor bonding force in the bonding area existing in the additive manufacturing method in the prior art. question
The present invention also provides a preparation method and equipment for the gradient film material, so as to solve the problems of poor mechanical strength and low production efficiency in the existing film materials

Method used

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  • Additive manufacturing method, method and equipment for preparing gradient film materials

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Effect test

Embodiment 1

[0046] The matrix 4 of the gradient film material of this embodiment is a 301L alloy steel plate, the first tissue layer and the second tissue layer are both ferrite, wherein the thickness of the matrix 4 is 5 mm, and the first tissue layer The grain size of the second tissue layer is 20nm, and the thickness is 40μm. The grain size of the second tissue layer is 10nm, and the thickness is 40μm. The deposition materials 5 that constitute the first tissue layer and the second tissue layer are all diameter 0.9mm low carbon steel.

[0047] The preparation process of the gradient film material is as follows:

[0048] 1) Place the 301L alloy steel plate on the workbench 1 and connect it to the cathode of the power supply 2, and then clamp the low carbon steel with the electrode clamping part 3 connected to the anode of the power supply 2 , and then control the movement route of the low-carbon steel through the first control mechanism, so that the low-carbon steel is deposited on the...

Embodiment 2

[0053] The matrix 4 of the gradient film material in this embodiment is a 301L alloy steel plate, the first tissue layer and the second tissue layer are both austenite, wherein the thickness of the matrix 4 is 5 mm, and the first tissue layer The grain size of the second tissue layer is 35 nm, and the thickness is 70 μm. The grain size of the second tissue layer is 20 nm, and the thickness is 60 μm. 0.9mm 301 stainless steel.

[0054] The preparation process of the gradient film material is as follows:

[0055] 1) Place the 301L alloy steel plate on the workbench 1 and connect it to the cathode of the power supply 2, and then clamp the 301 stainless steel with the electrode clamping part 3 connected to the anode of the power supply 2, Then, the movement route of the 301 stainless steel is controlled by the first control mechanism, so that the 301 stainless steel is deposited on the surface of the 301L alloy steel plate and forms the first layer of tissue layer, wherein the vo...

Embodiment 3

[0060] The substrate 4 of the gradient film material in this embodiment is a 301L alloy steel plate, the first layer of structure is ferrite, its grain size is 25nm, and its thickness is 50 μm. The deposition material 5 that constitutes the first layer of structure is a diameter It is 0.9mm low-carbon steel, the second structure layer is austenite, its grain size is 15nm, and its thickness is 45 μm, and the deposition material 5 constituting the second structure layer is 301 stainless steel with a diameter of 0.9mm, The thickness of the base body 4 is 5 mm.

[0061] The preparation process of the gradient film material is as follows:

[0062] 1) Place the 301L alloy steel plate on the workbench 1 and connect it to the cathode of the power supply 2, and then clamp the low carbon steel with the electrode clamping part 3 connected to the anode of the power supply 2 , and then control the movement route of the low-carbon steel through the first control mechanism, so that the low-...

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Abstract

The invention discloses an additive manufacturing method, a method and equipment for preparing gradient thin film materials, which belong to the technical field of additive manufacturing. What is to be solved is the technical problems of low efficiency, large and uneven grain size, and poor bonding force in the bonding area. . The additive manufacturing method includes the following steps: 1) Obtain the first tissue layer: use the substrate as the cathode and the deposition material as the anode, deposit the deposition material onto the surface of the substrate and form the first tissue layer; 2) Obtain the nth ( 2≤n≤N) tissue layer: the matrix after obtaining the n-1th tissue layer is the cathode, the deposition material is the anode, and the deposition material is deposited on the surface of the n-1th tissue layer to form the n-th tissue layer The n-th tissue layer is rolled; the n-th tissue layer is rolled to control its deformation and reduce the surface roughness; 3) heat treatment is performed after all the N-th tissue layer is obtained; the grain size of the two adjacent tissue layers are not identical and / or the deposited materials constituting two adjacent tissue layers are different.

Description

technical field [0001] The invention relates to the technical field of additive manufacturing, in particular to an additive manufacturing method with controllable crystal grain size of a tissue layer, a method and equipment for preparing a gradient thin film material. Background technique [0002] Additive Manufacturing (AM) technology is a technology that uses the method of gradually accumulating materials to manufacture solid parts. Compared with the traditional material removal-cutting technology, it is a "bottom-up" manufacturing method. In the past two decades, AM technology has achieved rapid development. Different names such as "Rapid Prototyping", "3D Printing" and "Solid Free-form Fabrication" The method expresses the characteristics of this technology from different aspects. Among the existing additive manufacturing methods, the method of using laser beams, electron beams, plasma or ion beams as heat sources to heat materials to combine them and directly manufactu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B22F3/18B33Y10/00B33Y30/00
CPCB22F3/18B33Y10/00B33Y30/00B22F2003/248B22F10/00B22F10/38B22F10/20Y02P10/25
Inventor 李达杨先锋王松
Owner 东营睿港管道工程有限责任公司
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