1、 Core processes and technological breakthroughs
1. Mainstream manufacturing technology
Powder bed melting (SLM/EBM): achieves ± 0.05mm precision molding, increases material utilization by 60%, and is suitable for the manufacturing of aerospace biomimetic structural components.
DLP light curing: formed by combining photosensitive resin with titanium powder, with a shrinkage rate of 3.5% -4.2% (X/Y/Z axis), requiring software compensation accuracy, suitable for complex components such as turbine blades.
Plasma arc directed deposition (PA-DED): certified according to the aviation standard AMS7004, breaking through the bottleneck of manufacturing large aviation structural components.
2. Material performance optimization
The sphericity of titanium alloy powder is greater than 95%, with a particle size of 15-53 μ m, ensuring density during molding;
Gradient annealing process eliminates 85% residual stress, and hot isostatic pressing (HIP) treatment improves fatigue life by 3-5 times;
After sandblasting and polishing, the surface roughness reaches Ra 0.8 μ m (original Ra 10-15 μ m).
2、 Core application scenarios
Consumer electronics: Honor Magic V2 folding screen titanium alloy hinge, iPhone 17 Air titanium metal parts, strength increased by 150%, thickness reduced by 20%;
Aerospace: Engine combustion chamber flame tube, key structural components of Noge Aviation, resistant to high temperatures of 550 ℃, capable of withstanding extreme working conditions;
Industrial equipment: chemical corrosion-resistant seals, conformal waterway molds, shorten cooling cycles;
3、 Industrialization progress
1. Cost reduction drives popularization
The price of titanium powder has decreased from 600 yuan/kg to 300 yuan/kg (2023-2024), and the combination of argon gas recovery technology and sponge titanium price reduction is driving cost optimization;
Batch delivery of domestically produced lasers, accelerated penetration of core component technology into civilian applications.
2. Technological Frontier Trends
Large scale manufacturing: 1.2-meter multi laser splicing technology improves efficiency by 70%, breaking through traditional size limitations;
Intelligent upgrade: AI melt pool monitoring achieves 99.3% defect detection accuracy;
Multi material composite: research and development of titanium ceramic gradient materials to optimize the interface performance of implants.
4、 Representative product case
Lightweight consumer end: Domestic 3D printed titanium alloy bicycle frame, combining high strength and matte texture;
High end aviation components: Norsk Titanium plasma arc technology is used to manufacture aircraft load-bearing structural components, which have passed FAA certification;