Abstract
Evaluation of the matrix strength of the Fe-C martensite is performed by nanoindentation techniques. As-quenched martensite was examined for five kinds of Fe-C alloys with various carbon contents in the range of 0.1 to 0.8 mass% while quench-tempered martensite was investigated for an Fe-0.4%C alloy. The nanohardness attributed to the matrix strength increases with the carbon content, and decreases with increasing tempering temperature. The ratio of the nanohardness to the macrohardness, Hn/Hv, was much smaller for the Fe-C martensite than those for the single crystals, indicating that there is a significant grain size effect for the martensite.
| Original language | English |
|---|---|
| Pages (from-to) | 267-270 |
| Number of pages | 4 |
| Journal | Journal De Physique. IV : JP |
| Volume | 112 I |
| DOIs | |
| Publication status | Published - Oct 2003 |
| Externally published | Yes |
| Event | International Conference on Martensitic Transformations - Espoo, Finland Duration: Jun 10 2002 → Jun 14 2002 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
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