A Study of the Structure of Nickel Aluminide After Laser Treatment

A Study of the Structure of Nickel Aluminide After Laser Treatment

The structure of coatings deposited by coaxial laser surfacing of Ni 3 Al aluminide is studied. The effect of the surfacing parameters on the structure, geometry and hardness of the coatings is determined. The optimum modes of surfacing are shown to range within the laser energy input of 2 – 8 J/mm...

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Veröffentlicht in:Metal science and heat treatment 2016-01, Vol.57 (9-10), p.603-609
Hauptverfasser: Kotoban, D. V., Shishkovskii, I. V.
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Hardness
Heat and Mass Transfer
Lasers in medicine
Materials Science
Metallic Materials
Nickel
Powders
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Zusammenfassung:The structure of coatings deposited by coaxial laser surfacing of Ni 3 Al aluminide is studied. The effect of the surfacing parameters on the structure, geometry and hardness of the coatings is determined. The optimum modes of surfacing are shown to range within the laser energy input of 2 – 8 J/mm 2 at the beam scanning speeds of 100 – 600 mm/min and powder feed of 3.8 g/min.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-016-9929-3