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Metal base ceramic phase reinforced alloy tool steel powder for 3D printing, preparation method and application thereof

An alloy tool steel, 3D printing technology, applied in metal processing equipment, additive manufacturing, process efficiency improvement, etc. Precise manufacturing, good hardness, the effect of eliminating macrosegregation

Active Publication Date: 2016-06-29
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this process uses mechanical force to mix the two materials, which is prone to the problem of uneven composition and particle size distribution, resulting in uneven and unstable properties of 3D printed products

Method used

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  • Metal base ceramic phase reinforced alloy tool steel powder for 3D printing, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A metal-based ceramic phase-reinforced alloy tool steel powder for 3D printing, the alloy tool steel powder contains elements and mass percentages: C, 0.8%; Si, 0.2%; Mn, 1%; Ni, 0.3%; Cr, 3%; Mo, 0.2%; V, 0.2%; W, 8%; Co, 1%; Nb, 0.5%; metal-based ceramic phase metal elements, 0.2%;

[0033] Preferably, the metallic element of the metal-based ceramic phase is one or more of Zr, Al, Be, Mg, Y, Zn, Ti, B, Ba, Ta, and the alloy tool steel powder is spherical or quasi-spherical, and the powder particles The diameter distribution is 15-80 μm, and the oxygen content is lower than 800 ppm, and the alloy tool steel powder is formed by gas atomization powder making. The metal elements of the metal-based ceramic phase are added through metal-based ceramic phase particles and / or pure elements, and the metal-based ceramic phase particles are one of metal carbide compounds, metal nitride compounds, metal oxides, and metal silicide compounds. one or more species.

[0034] The prep...

Embodiment 2

[0050] A metal-based ceramic phase-reinforced alloy tool steel powder for 3D printing, the alloy tool steel powder contains elements and mass percentages: C, 0.2%; Si, 0.6%; Mn, 0.5%; Ni, 0.6%; Cr, 12%; Mo, 2%; V, 1.5%; W, 0.3%; Co, 5%; Nb, 0.2%; metal-based ceramic phase metal elements, 0.2-8%; iron, the balance.

[0051] Preferably, the metallic element of the metal-based ceramic phase is one or more of Zr, Al, Be, Mg, Y, Zn, Ti, B, Ba, Ta, and the alloy tool steel powder is spherical or quasi-spherical, and the powder particles The diameter distribution is 15-80 μm, and the oxygen content is lower than 800ppm, and the alloy tool steel powder is formed by gas atomization, and the metal-based ceramic phase metal elements are added through metal-based ceramic phase particles and / or pure elements way, the metal-based ceramic phase particles are one or more of metal carbide compounds, metal nitride compounds, metal oxides, and metal silicide compounds.

[0052] The preparation ...

Embodiment 3

[0068] A metal-based ceramic phase-reinforced alloy tool steel powder for 3D printing, the alloy tool steel powder contains elements and mass percentages: C, 5%; Si, 1%; Mn, 0.1%; Ni, 1%; Cr, 25%; Mo, 15%; V, 14.5%; W, 15%; Co, 18%; Nb, 1%; metal-based ceramic phase metal elements, 0.2-8%; iron, the balance.

[0069] Preferably, the metallic element of the metal-based ceramic phase is one or more of Zr, Al, Be, Mg, Y, Zn, Ti, B, Ba, Ta, and the alloy tool steel powder is spherical or quasi-spherical, and the powder particles The diameter distribution is 15-80 μm, and the oxygen content is lower than 800 ppm, and the alloy tool steel powder is formed by gas atomization powder making. The metal elements of the metal-based ceramic phase are added through metal-based ceramic phase particles and / or pure elements, and the metal-based ceramic phase particles are one of metal carbide compounds, metal nitride compounds, metal oxides, and metal silicide compounds. one or more species. ...

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PUM

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Abstract

The invention discloses metal base ceramic phase reinforced alloy tool steel powder for 3D printing. The alloy tool steel powder is characterized by comprising the following elements in percentage by mass: 0.2-5% of C, 0.2-1% of Si, 0.1-1% of Mn, 0.3-1% of Ni, 3-25% of Cr, 0.2-15% of Mo, 0.2-14.5% of V, 0.3-15% of W, 1-18% of Co, 0.2-1% of Nb, 0.2-8% of metal base ceramic phase metal elements, and the balance of iron. The invention designs a ceramic phase reinforced alloy tool steel powder material; and the component design of the material embodies better hardness, wear resistance and high-temperature performance of the material.

Description

technical field [0001] The invention belongs to the technical field of powder metallurgy and additive manufacturing, and more specifically relates to an alloy tool steel powder, its preparation method and application. Background technique [0002] 3D printing (additive manufacturing) technology is a new manufacturing technology based on layer-by-layer accumulation of materials. This technology transforms complex three-dimensional processing into simple two-dimensional processing, maximizes the freedom of part design, enables designers to focus on the realization of functions, and reduces the restrictions on part design in part processing, so as to maximize Realize the function of the product. This technology is suitable for the current personalized and small batch production, and it is widely used in the sample trial production stage of the product development stage. [0003] With the increasing maturity of metal 3D printing technology, 3D printing to prepare high-performa...

Claims

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Application Information

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IPC IPC(8): C22C38/52C22C38/44C22C38/46C22C38/48C22C38/10C22C38/08C22C38/12C22C38/18C22C38/04C22C38/02B22F9/08B22F1/00B22F3/105
CPCC22C38/02C22C38/04C22C38/105C22C38/12C22C38/18C22C38/44C22C38/46C22C38/48C22C38/52B22F9/082B22F10/00B22F1/065B22F10/25B22F10/28B22F10/38Y02P10/25
Inventor 魏青松王美史玉升周燕文世峰刘洁
Owner HUAZHONG UNIV OF SCI & TECH
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