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Effect of substrate on wear performance of multilayer hard coating

机译:基材对多层硬质涂层磨损性能的影响

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摘要

Both CrN/NbN and CrN coatings have been deposited by physical vapour deposition on a substrate constituted by two different tool steels; the process temperature was lower than the substrate annealing temperature. Tribological performances of the different coatings have been evaluated and compared under the same dry sliding conditions. The results pointed out that CrN/NbN coatings, when deposited on selected substrates, have clearly superior characteristics and well meet the demanding requirements to increase hardness and wear resistance of dies and forging tools. The results highlighted also that coating properties strongly depend on the substrate structure and composition.
机译:CrN / NbN和CrN涂层均通过物理气相沉积法沉积在由两种不同的工具钢构成的基材上。处理温度低于衬底退火温度。在相同的干滑条件下,已评估并比较了不同涂层的摩擦学性能。结果指出,CrN / NbN涂层沉积在选定的基材上时,具有明显优越的特性,并很好地满足了提高模具和锻造工具的硬度和耐磨性的要求。结果还突出表明,涂层性能在很大程度上取决于基材的结构和组成。

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