Laser-assisted spraying and laser treatment of thermally sprayed coatings |
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Authors: | Jyrki Suutala Jari Tuominen Petri Vuoristo |
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Affiliation: | Tampere University of Technology, Institute of Material Science, Laser Application Laboratory, P.O BOX 589, FI-33101, Tampere, Finland |
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Abstract: | In the present study, surface engineering research related to thermally sprayed wear and corrosion resistant coatings modified by in-situ and post-treatment by novel high power lasers (Nd:YAG and diode lasers) has been carried out. The main aim of the study was to create experimental based information and knowledge on simultaneous remelting of thermally sprayed (plasma, HVOF, flame) single layers for production of metallurgically bonded, dense corrosion and wear resistant coatings on surfaces of steels. The main focus of research was to estimate the needed processing parameters, which enable simultaneous laser-assisted thermal spraying. The microstructures and hardness-profiles for the coatings prepared by laser-assisted thermal spraying are also introduced. |
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Keywords: | Laser treatment Wear resistant coatings Corrosion resistant coatings Laser-assisted thermal spraying |
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