Surface engineering of ultra-hard polycrystalline structures using a nanosecond Yb fibre laser: Effect of process parameters on microstructure, hardness and surface finish

[Display omitted] The use of lasers for near-net shape manufacturing of cutting tools, made of ultra-hard materials such as polycrystalline diamonds, is recently becoming a standard processing step for cutting tool manufacturers. Due to the different machinability exhibited by microstructurally diff...

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Veröffentlicht in:	Journal of materials processing technology 2019-04, Vol.266, p.311-328
Hauptverfasser:	Pacella, Manuela, Nekouie, Vahid, Badiee, Amir
Format:	Artikel
Sprache:	eng
Schlagworte:	Cobalt Composite materials Cutting parameters Cutting tool materials Diamond machining Diamond tools Diamonds Doped fibers Fiber lasers Hard materials Hardness Hardness tests Laser machining Laser milling Laser processing Laser shock processing Lasers Machinability Manufacturing Microhardness Microscopy Microstructure Microstructure change Milling (machining) Nanosecond pulses Nanosecond ytterbium fibre laser Polycrystalline diamond Polycrystals Pulse duration Scanning electron microscopy Surface roughness Weight
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