研究目的
To study the effect of the use of continuous laser technology with high power for the surface treatment of forge steel, and to indicate the changes in the microstructure and hardness.
研究成果
The study concluded that laser surface treatment significantly affects the microstructure and hardness of AISI6F3 steel. The best hardness value (965 Hv) was achieved with laser power of 3000 W, beam diameter of 1 mm, and scanning speed of 25 mm/s. The microstructure evolution was closely related to the specific energy of laser treatment, with martensite being the predominant phase. The study highlights the importance of selecting appropriate laser treatment variables to achieve desired microstructures and mechanical properties.
研究不足
The study is limited to the effects of laser surface treatment on AISI6F3 steel's microstructure and hardness. The findings may not be directly applicable to other materials or different laser treatment conditions.
1：Experimental Design and Method Selection:
The study involved the use of high-capacity laser for surface treatment of forge steel AISI6F3, with varying laser power, beam diameter, and scanning speed to study the effects on microstructure and hardness.
2：Sample Selection and Data Sources:
Samples of AISI6F3 steel were selected for laser treatment under different conditions to analyze the microstructure and hardness.
3：List of Experimental Equipment and Materials:
A high-capacity laser machine (LASERCELL 1005, TLF 1600, fast axial flow CO2), scanning electron microscope (VEGA3LM TESCAN COMPANY), and an optical metallographic microscope (MTM-1A) were used.
4：Experimental Procedures and Operational Workflow:
The steel samples were treated with laser under varying conditions, followed by microscopic examination and hardness testing.
5：Data Analysis Methods:
The microstructure was analyzed using SEM and optical microscopy, and hardness was measured to correlate with laser treatment parameters.
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