研究目的
Investigating the reconditioning of VT3-1 titanium jet engine blades through laser cladding to achieve a perfect bonding between the cladded layer and the substrate.
研究成果
Laser cladding is an effective method for reconditioning titanium jet engine blades, offering good metallurgical bonding and lower heat input. The process produced a dense, defect-free cladded layer with a uniform microstructure, suitable for post-processing machining.
研究不足
The study was conducted at a laboratory level (technology readiness level 2), indicating the need for further research to scale up for industrial applications. The absence of a controlled atmosphere chamber led to oxidation issues.
1:Experimental Design and Method Selection:
The study utilized laser cladding with a TRUMPH TruPulse 556 laser and a coaxial cladding head for reconditioning.
2:Sample Selection and Data Sources:
VT3-1 titanium alloy compressor blades were used.
3:List of Experimental Equipment and Materials:
TRUMPH TruPulse 556 laser, coaxial cladding head, Metco 4010 titanium powder, argon shielding gas.
4:Experimental Procedures and Operational Workflow:
The reconditioning process involved a laser spot diameter of
5:8 mm, 800 W laser power, and a frequency of 90 Hz. Data Analysis Methods:
Optical and electron microscopy, EDS elemental microanalyses, and microhardness testing were used for analysis.
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