研究目的
Investigating the creation of heterogeneous metal-ceramic structures based on Ti, Ni and WC, В4С by the combined method of laser cladding and cold gas-dynamic spraying.
研究成果
The study successfully developed a strategy for producing heterogeneous metal-ceramic materials without pores and cracks using a combination of CS and laser processing, achieving coatings with a thickness of over 4 mm.
研究不足
The study focuses on specific mixtures of ceramic and metal powders, and the laser processing parameters are optimized for these materials. The wear resistance and structural analysis of the coatings are ongoing.
1：Experimental Design and Method Selection:
The study combines cold gas-dynamic spraying (CS) with layered laser processing to create metal-ceramic coatings.
2：Sample Selection and Data Sources:
Ceramic powders WC and В4С, and metal powders based on Ti+Al and Ni were used.
3：List of Experimental Equipment and Materials:
LS 13 320 Laser diffraction particle size analyzer, Venus FTLMV-02 V-shaped mixer, Sibir-1 complex with a continuous-wave CO2 laser, ZnSe lens, Olympus LEXT 3000 confocal microscope, Bruker Contour GT-K1 interference profilometer.
4：Experimental Procedures and Operational Workflow:
Preparation of powder mixtures, CS coating deposition, laser treatment optimization, and analysis of coating properties.
5：Data Analysis Methods:
Optical microscopy, SEM imaging, and microhardness measurements.
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