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A kind of alloy powder for turning tool prepared by 3D printing and preparation method thereof

An alloy powder, 3D printing technology, applied in the field of 3D printing materials, can solve the problems of high preparation cost and high impurity content, and achieve the effect of low raw material cost, low process energy consumption and reducing impurities

Active Publication Date: 2022-05-24
HANGZHOU POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the atomization method is generally used to prepare alloy spherical powder. This technology has achieved certain research and development, but the preparation of alloy spherical powder still has the problems of high preparation cost and high impurity content.

Method used

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  • A kind of alloy powder for turning tool prepared by 3D printing and preparation method thereof
  • A kind of alloy powder for turning tool prepared by 3D printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A kind of 3D printing to prepare alloy powder for turning tool

[0029] The raw materials for preparing 3D printing alloy powder for turning tools include: niobium 0.04%, tin 0.56%, manganese 0.5%, aluminum 12.3%, magnesium 3.6%, molybdenum 2.2%, iron 10.5%, carbon 0.10%, nickel 0.3%, vanadium 0.02%, zirconium 0.45%, and the balance is titanium and inevitable impurities.

[0030] Prepared by:

[0031] Step A, the mass percentages of manganese, aluminum, magnesium, molybdenum, iron, carbon, nickel and titanium are mixed and smelted in a vacuum melting furnace to obtain melt I, and then the mass percentages of niobium, tin, vanadium, zirconium are added. , smelting for 30 minutes to obtain melt II;

[0032] The above, during the mixed smelting, the heating process of the vacuum melting furnace is: the melting furnace is first heated to 980 °C at a rate of 15 °C / min, then heated to 1620 °C at a rate of 10 °C / min, and at a temperature of 1620 °C condition Melting under h...

Embodiment 2

[0037] A kind of 3D printing to prepare alloy powder for turning tool

[0038] The raw materials for preparing 3D printing alloy powder for turning tools include: niobium 0.12%, tin 0.96%, manganese 1.5%, aluminum 13.3%, magnesium 4.6%, molybdenum 3.2%, iron 12.5%, carbon 0.20%, nickel 0.7%, vanadium 0.08%, zirconium 0.85%, the balance is titanium and inevitable impurities.

[0039] Prepared by:

[0040] Step A, the mass percentages of manganese, aluminum, magnesium, molybdenum, iron, carbon, nickel and titanium are mixed and smelted in a vacuum melting furnace to obtain melt I, and then the mass percentages of niobium, tin, vanadium, zirconium are added. , smelting for 60 minutes to obtain melt II;

[0041] As mentioned above, during the mixed smelting, the heating process of the vacuum melting furnace is as follows: the melting furnace is first heated to 1080 °C at a rate of 20 °C / min, and then heated to 1680 °C at a rate of 12 °C / min, and at a temperature of 1680 °C Meltin...

Embodiment 3

[0046] A kind of 3D printing to prepare alloy powder for turning tool

[0047] The raw materials for preparing 3D printing alloy powder for turning tools include: niobium 0.06%, tin 0.66%, manganese 0.7%, aluminum 12.6%, magnesium 3.9%, molybdenum 2.4%, iron 11.0%, carbon 0.12%, nickel 0.4%, vanadium 0.04%, zirconium 0.55%, and the balance is titanium and inevitable impurities.

[0048] Prepared by:

[0049] Step A, the mass percentages of manganese, aluminum, magnesium, molybdenum, iron, carbon, nickel and titanium are mixed and smelted in a vacuum melting furnace to obtain melt I, and then the mass percentages of niobium, tin, vanadium, zirconium are added. , smelting for 40 minutes to obtain melt II;

[0050] As mentioned above, during the mixed smelting, the heating process of the vacuum melting furnace is as follows: the melting furnace is first heated to 990 °C at a rate of 16 °C / min, and then heated to 1640 °C at a rate of 12 °C / min, and at a temperature of 1640 °C M...

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Abstract

The invention discloses an alloy powder for turning tools prepared by 3D printing and a preparation method thereof. The raw materials for preparing the alloy powder for turning tools by 3D printing include: 0.5%-1.5% of manganese, 12.3%-13.3% of aluminum %, Magnesium 3.6%~4.6%, Molybdenum 2.2%~3.2%, Iron 10.5%~12.5%, Carbon 0.10%~0.20%, Nickel 0.3%~0.7%, Vanadium 0.02%~0.08%, Zirconium 0.45%~0.85% , the balance is titanium and unavoidable impurities. The 3D printing alloy powder prepared by the present invention has good mechanical properties, good strength and hardness, excellent tensile strength and heat resistance, and excellent wear resistance and corrosion resistance. The prepared car The knife is of good quality and lasts a long time.

Description

technical field [0001] The invention relates to the technical field of 3D printing materials, in particular to an alloy powder for preparing a turning tool by 3D printing and a preparation method thereof. Background technique [0002] Cutting is the main means of material removal in the machinery manufacturing industry, and the quality of cutting tools directly affects the efficiency and quality of cutting. In the cutting process, the cutting tool plays a very important role as the main part to remove the material. In order to adapt to the cutting of various environments and various materials, the requirements for the degree of close connection between the cutting tool and other components, the hardness of the turning tool itself, wear resistance, compression resistance, high temperature resistance, and strength are very strict. [0003] 3D printing technology is based on digital model files, which is a kind of additive manufacturing technology by stacking materials layer b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F1/00B22F9/08B33Y70/00C22C14/00
CPCB22F1/0003B22F9/082C22C14/00B33Y70/00
Inventor 罗晓晔
Owner HANGZHOU POLYTECHNIC