3D Printing Powder, also known as 3D printing powder, is a key material used in the 3D printing process, especially in printing processes that utilize powder bed fusion technology. These technologies include selective laser sintering (SLS), electron beam melting (EBM), direct metal laser sintering (DMLS), and binder jetting, among others.
3D Printing Powders
Metal powder:Metal powders are materials used for metal 3D printing, typically made from titanium, stainless steel, aluminum alloys, cobalt chromium alloys, and other materials. Metal powders require high sphericity to ensure good flowability and powder uniformity. These powders are melted and layered under the action of laser or electron beam to form parts.
Plastic powder:Plastic powders, such as nylon (PA), polycarbonate (PC), polyether ketone ketone (PEKK), etc., are used in technologies such as SLS and binder jetting. They melt at lower temperatures and are suitable for the production of non-metallic parts.
Ceramic powder:Ceramic powders, such as alumina and zirconia, are used to manufacture parts with good high-temperature resistance and strong chemical stability. They are commonly used in industrial and medical applications.
Composite powder:Composite powders may contain a mixture of metals and ceramics, or reinforcing phases such as carbon fibers or glass fibers embedded in a metal matrix. These powders are used to improve the mechanical properties of the parts.
3D printing powders need to meet certain particle size distribution, flowability, chemical purity, and sphericity requirements. These characteristics directly affect print quality and efficiency:Particle size distribution: Uniform particle size helps to achieve better powder spreading effect.
Liquidity: High fluidity powders are easy to spread, reduce voids, and increase density.
Chemical purity: High purity powder can ensure the performance of the final product.
Sphericity: Powder with high sphericity is evenly spread to reduce printing defects
Aerospace:In the aerospace industry, 3D printed powders are used to manufacture high-performance metal components such as engine parts, heat exchangers, and structural components. These components are typically made of titanium alloy, nickel based alloy, or aluminum alloy powder and printed using techniques such as selective laser melting (SLM) or electron beam melting (EBM) to achieve lightweight and high-strength requirements.
Medical and health care:The medical field utilizes 3D printed powders to produce personalized medical devices, implants, and surgical tools. For example, titanium alloy powder is used to print bone substitutes, while biocompatible plastic powder is used to produce surgical guides and customized prosthetics. In addition, adhesive jetting technology combined with bioink powder can be used for bioprinting tissues and organs.
Automotive industry:The automotive industry uses 3D printed powders to rapidly manufacture prototypes and functional components, such as cooling system components, engine cylinder heads, and body parts. These applications can use metal powders or high-performance plastic powders, such as polyamide (PA) and polycarbonate (PC).
Manufacturing industry:In the manufacturing industry, 3D printed powders are used to produce complex geometric shapes of molds, fixtures, and fixtures, as well as small mechanical parts. These parts can be printed with metal or plastic powder to meet different strength and temperature resistance requirements.
Jewelry and Fashion:Jewelry designers use precious metal powders such as gold, silver, and platinum, as well as colored plastic powders to print fine jewelry prototypes or finished products. These powders can provide high levels of detail and surface smoothness.
Architecture and Construction:In the field of architecture, 3D printing powders can be concrete, cement, or special building material powders used to print large structures such as walls, bridges, and even entire buildings.
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