Tribocorrosion and cytotoxicity of FeB-Fe2B layers on AISI 316 L steel
Journal Article
·
· Surface and Coatings Technology
- Inst. Politécnico Nacional, Grupo Ingeniería de Superficies, Ciudad de México (Mexico)
- Univ. Autónoma Metropolitana, Ciudad de México (Mexico)
- Inst. Politécnico Nacional, Ciudad de México (Mexico)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Tecnológico de Estudios Superiores de Chalco (Mexico)
New results about the tribocorrosion resistance and cytotoxicity of FeB-Fe2B layer developed by the powder-pack boriding process on the surface of AISI 316 L steel are presented in this work. Initially, the tribocorrosion tests in the borided AISI 316 L steel and the untreated material (AISI 316 L steel) were performed in Hank's solution, using a ball-on-flat configuration, which was connected with a three electrode-chemical cell. The sliding tests, in the presence or absence of corrosion, were performed under 20 N normal force using an alumina ball as a counter body. For the overall experimental conditions, the material loss for each material was estimated according to the ASTM G119 procedure. Further, the in vitro cytocompatibility of FeB-Fe2B layer on AISI 316 L steel and the untreated material was evaluated by the indirect contact method, in which cell lines of immortalized human fibroblast (CHON-002) and normal renal epithelium of Cercopithecus aethiops (Vero) were used. The results showed that the presence of FeB-Fe2B layer on the AISI 316 L steel improves the tribocorrosion resistance 1.5 times than that of the untreated material, with a presence of a wear-corrosion degradation mechanism in contrast with a wear-dominated regime for the untreated material. Finally, the cytotoxicity tests revealed satisfactory properties in terms of effects on survival and proliferative activity of human fibroblasts and Vero cells on the surface of the borided AISI 316 L steel.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- Instituto Politécnico Nacional (IPN); USDOE
- Grant/Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1490239
- Journal Information:
- Surface and Coatings Technology, Journal Name: Surface and Coatings Technology Journal Issue: C Vol. 349; ISSN 0257-8972
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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journal | October 2019 |
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journal | September 2019 |
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