Enhancing cutting performance of micro-textured and coated tool by synergistically improving coating adhesion strength and debris capture-storage capacities
Suyang Li , Liye Zhang , Xianna Meng , An Yan , Wanglin Chen
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引用次数: 0
Abstract
A TiAlN-coating with laser-induced depth-graded micro-textured substrate was produced by combination of ultra-fast laser and vacuum cathodic arc. The depth-graded micro-textures (DGMTs) with gradual changes in depth improve synergistically coating adhesion strength and debris capture-storage capacities, showing a better adaptability with TiAlN coating as compared to the single-scale MTs with a same size. In addition, the DGMTs can produce additional cuttings on wear counterpart, obtaining a higher material removal rate. The DGMTs parallel to and vertical to the main cutting edge (named as DGMTs-P and DGMTs-V, respectively) on flank face were carried out to high-speed dry cut precipitation hardening stainless steel. The tool lifespan are: TiAlN＜TiAlN/DGMTs-P＜TiAlN/DGMTs-V. The wear mechanisms for the TiAlN/DGMTs tools are shown.
期刊介绍：
Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International.
Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.
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