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Effective Boronizing Process For Age Hardened Inconel 718, Aria Khalili
Effective Boronizing Process For Age Hardened Inconel 718, Aria Khalili
Electronic Thesis and Dissertation Repository
Boronizing or boriding is a technique to mitigate wear damage in industrial valves made of age-hardenable Inconel® 718 which is a nickel-based superalloy. Boriding involves immersing the part in a patented boron-based compound and heating over 800 oC.
Boriding combined with aging has a detrimental thermal effect and was the subject of this investigation. The effects on hardness, wear and grain size, of boriding and aging separately, subsequently, and simultaneously, were investigated to observe the microstructure and mechanical properties.
The results show that boriding has negligible effect on the grain size and the hardness of the substrate. Besides, …