A study on developing process-structure–property relationship with molten pool thermal history during laser surface remelting of Inconel 718

Arkajyoti Jha,Shivam Shukla,Amit Choudhary,Ramji Manoharan,Gopinath Muvvala

Optics & Laser Technology（2023）

Cited 5|Views3

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Abstract

•Laser surface remelting of Inconel 718 is carried out.•Correlation between scan speed, cooling rate and microstructure is reported.•Process map based on cooling rate to generate preferred microstructure is developed.•Higher cooling rates resulted in decreased elemental segregation in Inconel 718.•Higher cooling rates resulted in improved performance of remelted samples.

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Key words

Laser surface remelting,Inconel 718,Cooling rate,Microstructure evolution,Process map

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