研究目的
To improve the surface properties of Ti-5.5Al-2Zr-1Mo-1 V titanium near-α-alloy through laser alloying with TiC particles to enhance hardness and reduce friction coefficient.
研究成果
Laser alloying of Ti-5.5Al-2Zr-1Mo-1 V titanium alloy with TiC particles significantly improves surface hardness and reduces friction coefficient, making it a promising method for enhancing wear resistance of titanium alloys.
研究不足
The study focuses on the surface modification of Ti-5.5Al-2Zr-1Mo-1 V alloy and does not explore the bulk properties or long-term durability under operational conditions.
1：Experimental Design and Method Selection:
Laser alloying was performed using pulsed laser radiation to melt the surface of the titanium alloy while simultaneously supplying TiC powder to the laser irradiation zone.
2：Sample Selection and Data Sources:
Ti-
3：5Al-2Zr-1Mo-1 V alloy plates were used for laser alloying. List of Experimental Equipment and Materials:
IPG Photonics fiber laser, KUKA krc 2 robot, Sulzer metco powder feeder, TiC powder.
4：Experimental Procedures and Operational Workflow:
The alloying process involved melting the titanium surface with pulsed laser radiation and mixing it with TiC powder.
5：Data Analysis Methods:
Microhardness was measured using an automated hardness tester Tukon 2500, and microstructure analysis was performed using Axiovert-200 M universal inverted microscope and Auriga CrossBeam workstation.
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Rigaku SmartLab
SmartLab
Rigaku
Multifunction diffractometer used for X-ray phase analysis of the surface and at a distance of 100 μm into the depth of the alloying TiC layer.
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IPG Photonics fiber laser
IPG Photonics
Used for melting the surface of the titanium alloy during the laser alloying process.
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KUKA krc 2 robot
krc 2
KUKA
Used for moving the nozzle during the laser alloying process.
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Sulzer metco powder feeder
Sulzer metco
Used for feeding the TiC powder material during the laser alloying process.
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Tukon 2500
2500
Tukon
Automated hardness tester used to measure the microhardness of the alloyed surface.
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Axiovert-200 M
200 M
Universal inverted microscope used for analyzing the surface structure of metallographic samples.
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Auriga CrossBeam
CrossBeam
Auriga
Workstation used for obtaining electron microscopic images of the surface and EDX analysis of the samples.
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Universal-1A
1A
Tribotechnical complex used for carrying out tribotechnical tests of the titanium alloy.
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