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| Content Provider | Springer Nature Link |
|---|---|
| Author | Hijosa, G. Schabes Retchkiman, P. S. Oseguera, J. |
| Copyright Year | 1998 |
| Abstract | A study of nitride-phase formation in alloys nitrided by glow discharge plasma nitriding was performed by high-resolution electron microscopy. The iron and steel samples were nitrided above and below the eutectoid transformation point (590 ‡C). After nitriding, the samples were annealed for several treatment times at 400 ‡C. The microstructure and identification of the iron nitrided phases formed by nitriding and annealing were investigated by x-ray diffraction (XRD), optical microscopy (OM) and mainly high resolution electron microscopy (HREM) in a JEOL-4000EX high resolution microscope at 400 kV. The results of the characterization show a surface ε compact nitride layer, which is transformed into ε + γ during cooling. The tempering process affects the surface hardness of the samples. After an initial increase relative to the untreated sample, the microhardness diminishes after long treatment times. This behavior is correlated with the αt’’ phase appearance, growth, and transformation. |
| Starting Page | 312 |
| Ending Page | 316 |
| Page Count | 5 |
| File Format | |
| ISSN | 10599495 |
| Journal | Journal of Materials Engineering and Performance |
| Volume Number | 7 |
| Issue Number | 3 |
| e-ISSN | 15441024 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 1998-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | HREM iron nitrides plasma nitriding Characterization and Evaluation of Materials Materials Science Tribology, Corrosion and Coatings Quality Control, Reliability, Safety and Risk Engineering Design |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mechanics of Materials Materials Science Mechanical Engineering |
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