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FP6

Final Report - MATINA (Innovative PVD nano-coatings on tools for machining titanium and nickel alloys)

Project ID: 17883
Funded under: FP6-SME

Abstract

MATINA was a European funded project within the Sixth Framework Programme (FP6) whose ultimate aim was to substantially improve the cutting tools for the machining of nickel (Ni) and titanium (Ti) alloys.

The application of selected Physical vapour deposition (PVD) nano-structured coatings with a thickness of less than 1 µm could improve the life of Ni and Ti cutting tools without worsening at all the tool sharpness. It would enable nickel and titanium machining to benefit from a technology that had already been successfully applied (micro-coatings) to the machining of other materials such as steel alloys. A good selection of PVD nano-structured coatings could decrease friction, which would result in a reduction of the overheating risk, allowing higher machining speeds or even avoiding the use of lubricant. Furthermore, a hard nano-structured coating with a nano-thickness (less than 1 µm) could be applied to the tool maintaining its surface finishing and sharpness, thus delaying the presence of local wear defects; this would reduce material sticking and increase tool life.

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