Abstract
The polarization behavior of a Zr50Cu40Al10 (atomic percent) bulk metallic glass was investigated in a 0.6 M NaCl electrolyte while being observed using optical microscopy (OM). In situ anodic-polarization experiments revealed a tendency towards a diffusion-controlled mechanism other than passivity. In situ OM images illustrated pits initiated at the corrosion potential (that is, open-circuit conditions). Scanning electron microscopy (SEM) was utilized to examine the region where the corrosion pits initiated. SEM images showed that the area of pit initiation was surrounded by an oxide that formed on the surface due to the exposure to the NaCl electrolyte.
Original language | English |
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Pages (from-to) | 568-571 |
Number of pages | 4 |
Journal | Intermetallics |
Volume | 17 |
Issue number | 7 |
DOIs | |
Publication status | Published - 2009 Jul |
Externally published | Yes |
Keywords
- B. corrosion
- B. glasses, metallic
- F. corrosion behavior
ASJC Scopus subject areas
- Chemistry(all)
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys
- Materials Chemistry