Journal
TRIBOLOGY INTERNATIONAL
Volume 169, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2022.107471
Keywords
Cold Spray; Wear; Ficiton; Corrosion; SS 316 L
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Funding
- National Science Foundation [CHE-1429768]
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This study investigated the wear and corrosion behavior of high-pressure cold-sprayed (CS) 316L stainless-steel (SS) and compared it with traditional 316L SS. The results showed that the CS deposit had a compact microstructure with a higher ferrite phase content. The CS process also led to crystallinity refinement, reduced wear, and enhanced re-passivation ability.
In this work, the wear and corrosion behavior of high-pressure cold-sprayed (CS) 316 L stainless-steel (SS) was investigated and compared with traditional 316 L SS for pharmaceutical component repairing/refurbishing. It was observed that the CS deposit exhibited a compact microstructure with a greater percentage of the ferrite phase. The effect of CS also resulted in a refinement of crystallinity due to the localized adiabatic heating and stresses of the severely deformed particles. These effects translated to the reduced wear and friction observed from the CS deposit as it demonstrated a lesser degree of abrasive wear. Electrochemical tests also revealed that the CS sample had a relatively similar corrosion rate as the bulk sample with an enhanced re-passivation ability.
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