Nickel-based Alloy Powder

Company profile

 

Nickel-based alloy powder has good high-temperature corrosion resistance and oxidation resistance, excellent cold and hot processing and welding process properties, and has satisfactory thermal strength and high plasticity below 700℃.

   It mainly includes Ni-B-Si, Ni-Cr-B-Si, Ni-Cr-B-Si-P, Ni-Cr-B-Si-Cu-Mo, Ni-Cr-B-Si-W, Ni-Cr, Ni-Cu and other series

 

 

Our quality

 

Mainly provides: nickel-based alloy powder, other nickel-based alloys also include: Inconel625, GH3536 and so on

 

 

 

Melting temperature range: 1370℃-1425 ℃
Density: 8.4g /cm³

VIM+ vacuum atomization powder production

Nickel-based alloy powder is widely used, mainly aerobic acetylene flame spray welding, supersonic flame spraying (HVOF or HVAF), plasma surfacing, plasma spraying, laser cladding, induction remelting, centrifugal casting, 3D printing and powder metallurgy. It is mainly used in gate plate, ball valve sphere, seat, plunger, screw, barrel, glass mold, laminar flow roller, wire drawing drum, wire drawing tower wheel, sucker rod, fan blade, screw conveyor, diamond tools and other workpieces.

Preparation and Application of Titanium Alloy Spherical Powder and Other Metal Powders for 3D Printing

1. Preparation Process

1.1 Titanium Alloy Spherical Powder

• Vacuum Induction Melting and Gas Atomization (VIGA): In this process, titanium alloy raw materials are first melted in a vacuum induction furnace to ensure high purity. Then, the molten metal is atomized by high - pressure inert gas (such as argon). For example, in the production of Ti - 6Al - 4V alloy powder, this method can precisely control the powder particle size distribution. The produced powder has a high spherical degree, usually with a particle size in the range of 15 - 53μm, which is very suitable for 3D printing processes such as selective laser melting (SLM).

• Plasma Rotating Electrode Process (PREP): A rotating titanium alloy electrode is melted by a plasma torch in a vacuum environment. The molten metal is thrown out by centrifugal force and solidifies into spherical powder during the flight. This method can produce powder with extremely high purity and excellent spherical morphology, and the powder has good flowability, which is beneficial to high - quality 3D printing in aerospace applications.

1.2 Other Metal Powders

• Stainless Steel Powder: It is often prepared by gas atomization. The molten stainless - steel liquid is atomized by high - pressure gas to form powder. The powder particle size can be adjusted according to different application requirements, generally in the range of 20 - 60μm. For example, 316L stainless - steel powder is widely used in the medical and food industries due to its good corrosion resistance.

• Aluminum Alloy Powder: The preparation methods include gas atomization and mechanical alloying. Gas - atomized aluminum alloy powder has a relatively regular particle shape. For instance, AlSi10Mg alloy powder, which is commonly used in the automotive and aerospace industries, can be made into complex - shaped parts through 3D printing, with good casting performance and mechanical properties.

2. Application Examples

2.1 Titanium Alloy Spherical Powder

• Aerospace: In aircraft engine manufacturing, titanium alloy 3D - printed components can reduce the weight of parts by about 30% compared with traditional manufacturing methods. For example, some engine compressor blades are made of titanium alloy spherical powder through SLM technology. They not only meet the high - strength requirements but also improve the fuel efficiency of the engine due to the weight reduction.

• Medical Field: Titanium alloy is biocompatible, so it is widely used in the manufacture of artificial joints. 3D - printed titanium alloy artificial hip joints can be customized according to the patient's bone structure, improving the fit and comfort of the prosthesis, and reducing the risk of rejection.

2.2 Other Metal Powders

• Stainless Steel Powder: In the food industry, 3D - printed stainless - steel molds can be used to make complex - shaped food products. These molds are easy to clean and have good corrosion resistance, ensuring food safety.

• Aluminum Alloy Powder: In the automotive industry, 3D - printed aluminum alloy brackets for electric vehicle batteries can improve the structural stability of the battery pack while reducing weight, which is beneficial to improving the driving range of electric vehicles.

3. Advantages

3.1 High - Precision Shaping

Metal powders can be precisely controlled during the 3D - printing process, achieving complex - shaped parts with high precision. For example, the dimensional accuracy of 3D - printed parts made of titanium alloy powder can reach ±0.05mm, which is difficult to achieve by traditional forging or casting methods.

3.2 Material Saving

Compared with traditional subtractive manufacturing, 3D printing using metal powders can significantly reduce material waste. For instance, in the production of complex - shaped aerospace parts, the material utilization rate of 3D printing can be increased from less than 30% in traditional manufacturing to more than 80%.

3.3 Shortened Production Cycle

For small - batch and customized production, 3D printing can quickly produce parts directly from digital models, eliminating the need for complex mold manufacturing processes. For example, the production cycle of a customized aluminum alloy automotive part can be shortened from several weeks in traditional manufacturing to only a few days by 3D printing.

4. Product Quality

• High Purity: The purity of titanium alloy powder produced by modern advanced atomization methods can reach over 99.5%, effectively reducing the impact of impurities on the performance of 3D - printed parts. For other metal powders, such as stainless - steel powder, the purity can also meet the high - standard requirements of different industries.

• Uniform Particle Size Distribution: Through strict process control, the particle size distribution of metal powders can be made very narrow. For example, the D90 - D10 value of titanium alloy spherical powder can be controlled within 20μm, ensuring the consistency of powder flowability and the quality stability of 3D - printed parts.

5. Variable Requirement Analysis

• Powder Particle Size: Different 3D - printing processes have different requirements for powder particle size. For example, in SLM, a smaller particle size (15 - 53μm) is usually required to ensure high - precision shaping, while in electron beam melting (EBM), a slightly larger particle size (50 - 100μm) may be more suitable due to the characteristics of the electron beam energy.

• Powder Flowability: Good powder flowability is crucial for the smooth progress of 3D - printing processes. Factors affecting powder flowability include particle shape, surface roughness, and particle size distribution. Spherical powder generally has better flowability, and the flow rate can be measured by a Hall flowmeter, usually required to be within a certain range (such as 15 - 25s/50g for titanium alloy powder).

6. Competitive Advantages Compared with Peers

6.1 Advanced Preparation Technology

Our company uses a unique double - stage atomization technology for titanium alloy powder preparation. This technology can further improve the spherical degree of powder compared with traditional single - stage atomization. The spherical degree of our titanium alloy powder can reach over 98%, while that of some competitors is only about 95%, which is conducive to improving the density and surface quality of 3D - printed parts.

6.2 Strict Quality Control System

We have a complete set of quality control systems, from raw material inspection to in - process monitoring during powder production and final product testing. For example, we conduct multiple - point sampling and testing of each batch of powder, and the inspection items include powder purity, particle size distribution, and oxygen content. In contrast, some competitors may only conduct simple sampling inspections, resulting in unstable product quality.

6.3 Customized Powder Solutions

We can provide customized metal powder according to different customer needs. For example, for customers with special requirements for powder particle size distribution in a certain 3D - printing process, we can adjust the production process to meet their needs. While many competitors mainly provide standard - type powders and lack the ability to provide personalized solutions in a timely manner.

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