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Preparation method of titanium and titanium alloy wires or powder for 3D printing

A technology of titanium alloy wire and 3D printing, applied in the field of preparation of titanium and titanium alloy wire or powder for 3D printing, to achieve the effect of high specific strength, non-magnetic tensile strength and small thermal conductivity

Active Publication Date: 2015-11-11
宝鸡市三立有色金属有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the particularity of material requirements for 3D printing and the high requirements for materials in the medical and aerospace fields, existing materials still fully meet all the above requirements

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A preparation method of titanium wire or powder for 3D printing provided by the present invention specifically comprises the following steps:

[0022] The first step is to select the titanium blank:

[0023] The selected titanium blanks need to meet the following execution standards:

[0024] 1. National standard 3D printing is applied in biomedicine, using titanium and titanium alloy processing materials for surgical implants, and the American ASTMF1341 standard;

[0025] 2. National standard GB / T2965-2007 for titanium and titanium alloy bars;

[0026] 3. National military standard GJB2218A-2008 for titanium and titanium alloy rods and forging blanks for aerospace use.

[0027] Specifically, the titanium blank selected in this embodiment is titanium sponge with a quality above grade 0, the mass percentage of oxygen element in its impurity content is not more than 0.15%, the mass percentage of hydrogen element is not more than 0.012%, and the mass percentage of nitrog...

Embodiment 2

[0035] A preparation method of titanium wire or powder for 3D printing provided by the present invention specifically comprises the following steps:

[0036] The first step is to select the titanium blank:

[0037] The selected titanium blanks need to meet the following execution standards:

[0038] 1. The national standard 3D printing is applied in biomedicine, using titanium processing materials for surgical implants, and the American ASTMF1341 standard;

[0039] 2. National standard GB / T2965-2007 for titanium and titanium alloy bars;

[0040] 3. National military standard GJB2218A-2008 for titanium and titanium alloy rods and forging blanks for aerospace use.

[0041] Specifically, the titanium blank selected in this embodiment is titanium sponge with a quality above grade 0, the mass percentage of oxygen element in its impurity content is not more than 0.15%, the mass percentage of hydrogen element is not more than 0.012%, and the mass percentage of nitrogen element is n...

Embodiment 3

[0049] The present invention provides a method for preparing titanium alloy wire or powder for 3D printing, which specifically includes the following steps:

[0050] The first step is to select the titanium alloy billet:

[0051] The selected titanium and titanium alloy billets need to meet the following implementation standards:

[0052] 1. The national standard 3D printing is applied in biomedicine, using surgical implant titanium and titanium alloy processing materials, as well as the American ASTMF1341 standard;

[0053] 2. National standard for titanium and titanium alloy bars GB / T2965-2007;

[0054] 3. The National Military Standard Specification for Titanium and Titanium Alloy Rods and Forging Billets for Aviation GJB2218A-2008.

[0055] Specifically, the mass percentages of each element in the titanium alloy blank selected in this embodiment are: titanium element 89%-98%, niobium element 0.5%-7%, zirconium element 0.5%-5%, molybdenum element 0.5%- 10%, the sum of th...

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Abstract

The invention discloses a preparation method of titanium and titanium alloy wires or powder for 3D printing. The method comprises the steps that titanium or titanium alloy billets are selected; and the titanium or titanium alloy billets are smashed, then smelted repeatedly and stretched to obtain a titanium or titanium alloy wire finished product, or a powder atomization method is adopted to obtain a titanium or titanium alloy powder finished product. By means of the preparation method of the titanium and titanium alloy wires or powder for 3D printing, the prepared materials have the beneficial effects of being small in density and heat conduction coefficient, high in specific strength, resistant to corrosion and high temperature, free of poisonousness and magnetism, high in tensile strength and the like, and therefore the method is applicable to the field of 3D metal printing, and particularly suitable for the technical field of medicines, aerospace and the like having the strict requirements for 3D printing materials.

Description

technical field [0001] The invention belongs to the technical field of metal preparation, and in particular relates to a method for preparing titanium and titanium alloy wire or powder for 3D printing. Background technique [0002] 3D printing technology is based on the computer three-dimensional design model, through the software layered discrete and numerical control molding system, using high-energy laser beams, electron beams and other methods to process special materials such as metal wires, metal powders, ceramic powders, or plastic cell tissues Layer build-up bonding and final additive molding create the solid product. This also determines the difference in its printing materials and application directions, which will result in some vertical development areas. [0003] Existing bioengineering can print out the cranium, teeth and bones in the skull, repair human hip joints, spine, cells, organ soft tissues, etc., and the aerospace field also uses 3D printing technolog...

Claims

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Application Information

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IPC IPC(8): B22F3/105B22F3/115B22F9/08B21C1/00
Inventor 翟丽君郭永喜杨海波
Owner 宝鸡市三立有色金属有限责任公司
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