机械设备中的运动部件在滑动摩擦下易受磨损，这会降低使用寿命和运行可靠性。虽然 Fe 基合金涂层提供高硬度和相对较低的成本，但其减摩能力仍然有限，而直接掺入固体润滑剂可能在高温喷涂过程中导致热分解和相变。本研究以 Fe60 为基体、NiCr-Cr3C2 为耐磨增强相、Ni 包覆 MoS2 为含 Mo/S 润滑组元来源，设计了 Fe 基复合涂层。涂层通过火焰喷涂制备，系统研究了成分对微观结构、相组成、硬度和摩擦学性能的影响。结果表明，MoS2 在喷涂过程中发生实质性热转变，伴随含 Mo 和 S 相的形成。通过摩擦磨损测量与磨损表面 SEM/EDS、XRD 和二维横截面磨损轨迹剖面相结合，进一步评估了摩擦学行为。在九种研究配方中，含 15 wt.% Ni-MoS2 与 40 wt.% NiCr-Cr3C2 的涂层（C6）表现出最低的测量摩擦
Moving parts in mechanical equipment are susceptible to wear under sliding friction, which can reduce service life and operational reliability. Although Fe-based alloy coatings provide high hardness and relatively low cost, their friction-reduction capability remains limited, while direct incorporation of solid lubricants may result in thermal decomposition and phase transformation during high-temperature spraying. In this study, a Fe-based composite coating was designed using Fe60 as the matrix, NiCr-Cr3C2 as a wear-resistant reinforcing phase, and Ni-coated MoS2 as a source of Mo/S-containing lubricating components. The coatings were fabricated by flame spraying, and the effects of composition on their microstructure, phase constitution, hardness, and tribological properties were systematically investigated. The results show that MoS2 undergoes substantial thermal transformation during spraying, accompanied by the formation of Mo- and S-containing phases. The tribological behavior was further evaluated by combining friction and wear measurements with worn-surface SEM/EDS, XRD, and two-dimensional cross-sectional wear-track profiles. Among the nine investigated formulations, the coating containing 15 wt.% Ni-MoS2 and 40 wt.% NiCr-Cr3C2 (C6) exhibited the lowest measured friction coefficient of 0.50 and a wear rate of (0.59 × 10−4) mm3/(N·m), together with the highest measured microhardness. The relatively shallow wear-track profile of C6, together with the retention of Cr/Ni-rich hard phases and the presence of Mo/S-containing species on the worn surface, supports an evidence-based interpretation in which the Cr3C2-containing phase provides load-bearing and wear resistance, the Mo/S-containing products may contribute to reducing interfacial shear resistance, and the Fe60 matrix provides continuous support and accommodates local deformation. These complementary effects contribute to the composition-dependent balance between friction reduction and wear resistance. The present findings provide a compositional reference for designing thermally sprayed Fe-based composite coatings with combined wear resistance and friction-reduction capability under the investigated dry-sliding conditions.