Abstract
Cr-N coatings were deposited on alumina borate whisker reinforced pure aluminum matrix composite substrates by radio frequency (RF) magnetron sputtering. The phase and chemical state of coatings were characterized using X-ray photoelectron spectroscope and X-ray diffraction techniques. Corrosion behaviors were investigated in 3.5%NaCl solution at room temperature. Potentiodynamic polarization curves confirm that the Cr-N coated composite shows not only much lower susceptibility to pitting but also significantly improved corrosion resistance in comparison with untreated composite.
| Original language | English |
|---|---|
| Pages (from-to) | 1715-1717 |
| Number of pages | 3 |
| Journal | Materials Letters |
| Volume | 62 |
| Issue number | 10-11 |
| DOIs | |
| State | Published - 15 Apr 2008 |
| Externally published | Yes |
Keywords
- Aluminum matrix composite
- Corrosion
- Cr-N coating
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