Some Aspects Of Microstructure, Defects And Diffusion In Laser Surface Alloying Of Steel.

Narendra B Dahotre; F Fink; K Mukherjee

doi:10.1117/12.938894

12 November 1986 Some Aspects Of Microstructure, Defects And Diffusion In Laser Surface Alloying Of Steel.

Narendra B Dahotre, F Fink, K Mukherjee

Proceedings Volume 0668, Laser Processing: Fundamentals, Applications, and Systems Engineering; (1986) https://doi.org/10.1117/12.938894
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

Observations are reported on the microstructure, defects and diffusion in AISI 1018 steel, surface alloyed with chromium by 2KW continuous wave CO₂ laser. The nature of alloying and chemical diffusion profile as a function of intertrack separation distance affects the final content of alloying element in surface layer. The ratio of number of laser tracks to width can be optimized to get minimum of cracking, maximum hardness and most uniform alloying of species.

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Narendra B Dahotre, F Fink, and K Mukherjee "Some Aspects Of Microstructure, Defects And Diffusion In Laser Surface Alloying Of Steel.", Proc. SPIE 0668, Laser Processing: Fundamentals, Applications, and Systems Engineering, (12 November 1986); https://doi.org/10.1117/12.938894

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