Abstract Ferrite–Pearlite (FP) steels are used in many automotive components. However, their machinability in low cutting speed processes appears to be highly dependent on their metallurgical state. An experimental approach combining broaching and tribological tests under machining-like conditions was developed to determine the key FP features driving machining performance. Fundamental tests were performed on fifteen variants so as to cover a wide range of microstructural properties under dry and lubricated conditions using both uncoated and TiN coated High Speed Steel (HSS) tools. The correlation between the microstructure, tribology and outputs such as machining forces and chip thickness ratio is presented.

中文翻译：

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显微组织和摩擦对拉削铁素体-珠光体钢的贡献

摘要 铁素体-珠光体 (FP) 钢用于许多汽车部件。然而，它们在低切削速度过程中的可加工性似乎高度依赖于它们的冶金状态。开发了一种在类似加工条件下结合拉削和摩擦学测试的实验方法，以确定驱动加工性能的关键 FP 特征。使用未涂层和 TiN 涂层高速钢 (HSS) 工具对 15 种变体进行了基本测试，以涵盖干燥和润滑条件下的各种微观结构特性。介绍了微观结构、摩擦学和加工力和切屑厚度比等输出之间的相关性。