On the material characteristics of a high carbon cast austenitic stainless steel after solution annealing followed by quenching in a CNT nanofluid
| Autor: | Nhat Truong Nguyen, Sannakaisa Virtanen, Ali Davoodi, Afshin Nazarnejatizadeh, Abolfazl Babakhani, Seyedsina Hejazi, Ali-Reza Kiani-Rashid, Sadegh Pour-Ali, Hashem Teimourinejad |
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| Rok vydání: | 2019 |
| Předmět: |
010302 applied physics
Austenite Materials science Annealing (metallurgy) Metallurgy Metals and Alloys 02 engineering and technology Carbon nanotube engineering.material 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences law.invention Nanofluid law 0103 physical sciences Materials Chemistry engineering Physical and Theoretical Chemistry Austenitic stainless steel 0210 nano-technology |
| Zdroj: | International Journal of Materials Research. 110:570-576 |
| ISSN: | 2195-8556 1862-5282 |
| DOI: | 10.3139/146.111773 |
| Popis: | Solution annealing followed by quenching in carbon nanotubes (QCNT) nanofluid treatment was applied to generate very high interstitial carbon content,≈0.30 wt.%, in an austenitic stainless steel (ASS). The high interstitial carbon content leads to remarkable improvement in mechanical properties with essentially no loss of ductility, with no chromium carbides and/or martensite formation. To evaluate the localized corrosion tendency and passivity behavior, 3.5 wt.% NaCl and borate buffer solutions were used, respectively. Based on the electrochemical corrosion results, both high carbon and low carbon (0.030 wt.%) QCNT-treated ASS alloys show comparable passivity and localized corrosion performance. In addition, Mott–Schottky plots revealed that the anodic films on QCNT-treated samples exhibit similar semiconducting characters. |
| Databáze: | OpenAIRE |
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