Oxidation resistance of laser cladding with Ni-Cr-Al alloys on carbon and austenitic stainless steels
DOI:
https://doi.org/10.3989/revmetalm.1995.v31.i2.971Keywords:
Laser cladding, Superalloys, OxidationAbstract
Laser surface cladding has been carried out by means of a 5 kW CO2 continuous wave laser on both a mild and a stainless steel. A powder injection technique has been used to deliver a Ni-Cr-Al alloy onto the steel molten pool. After processing, samples were analyzed by optical and scanning electron microscopy in order to know the microstructure and composition of present phases. High temperature corrosion resistance tests were done in an oxidant environment at temperatures of 950 °C. Phase transformations and corrosion behaviour are discussed. A general conclusion is the suitability of these alloys to bear oxidation due to the formation of protective oxide layers on their surface.
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Published
1995-04-30
How to Cite
de Damborenea, J., Conde, A., & Larraz, M. T. (1995). Oxidation resistance of laser cladding with Ni-Cr-Al alloys on carbon and austenitic stainless steels. Revista De Metalurgia, 31(2), 89–96. https://doi.org/10.3989/revmetalm.1995.v31.i2.971
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