This investigation demonstrates improved hardness and wear resistance in sintered Fe–Mo–Mn–SiC alloy, indicating effective microstructural enhancements with Molybdenum Disulfide addition.
This study investigates the effects of MoS2 addition on the microstructure, hardness, and wear resistance of sintered Fe–Mo–Mn–SiC composite. The microstructure of the sintered composite without MoS2 was composed primarily of ferrite (α-Fe), pearlite lamellar structures, and FeSi intermetallic phases. With the addition of MoS2, significant microstructural transformations occurred due to the diffusion of sulfur and molybdenum into the steel matrix. Sulfur reacted with iron to form FeS phases, while molybdenum reacted with carbon and iron, leading to the formation of M6C-type complex carbides dispersed within the matrix. These phase transformations resulted in increased hardness and abrasive wear resistance, particularly at an optimal MoS2 content of 3.0 wt %, which exhibited the lowest mass loss due to wear and highest hardness.
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Janudom et al. (2025) studied this question.
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