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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wielage, Bernhard Podlesak, Harry Grund, Thomas Wank, Andreas |
| Copyright Year | 2006 |
| Abstract | The interface between cold gas sprayed zinc-based coatings and selected light weight alloy substrates (aluminium AA7022 and magnesium AZ91) has been investigated by scanning and transmission electron microscopy in combination with energy-dispersive X-ray spectroscopy. In both cases a non-uniform interfacial zone with a thickness of up to 10 microns is evident. It consists of coating and substrate phases as well as an approximately 1 micron thick, partially whirled layer. For the AA7022 substrate the interfacial layer contains nano and submicron sized crystallites of the binary MgZn2 phase (η) which are embedded in an aluminium solid solution matrix. In the case of AZ91 substrate two ternary phases, Mg5Zn2Al2 (φ) and Mg11Zn11Al6 (τ) with particle size smaller than 50 nm are evident. The formation of these phases during spraying cannot be explained by diffusion process only, but a local melting is needed. Consequently, the assumption that the high kinetic energy of cold gas sprayed particles causes an intensive mechanical mixing of coating and substrate material accompanied by a high local temperature rise is proved. |
| Starting Page | 73 |
| Ending Page | 76 |
| Page Count | 4 |
| File Format | |
| ISSN | 00263672 |
| Journal | Microchimica Acta |
| Volume Number | 156 |
| Issue Number | 1-2 |
| e-ISSN | 14365073 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2006-05-26 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Analytical Chemistry Inorganic Chemistry Physical Chemistry Characterization and Evaluation Materials Monitoring/Environmental Analysis/Environmental Ecotoxicology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Analytical Chemistry |
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