STEM Analysis of Grain Boundaries in Cemented Carbides
There is controversy over whether the cobalt binder of liquid‐phase sintered WC forms a continuous skin over the WC particles or whether the carbide grains form a continuous skeleton. It is shown that the atomic Co/W ratio in the 20‐Å grain boundaries is >3 times larger than that in the grains, s...
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| Veröffentlicht in: | Journal of the American Ceramic Society 1980-03, Vol.63 (3-4), p.194-196 |
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| Hauptverfasser: | , , , |
| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | There is controversy over whether the cobalt binder of liquid‐phase sintered WC forms a continuous skin over the WC particles or whether the carbide grains form a continuous skeleton. It is shown that the atomic Co/W ratio in the 20‐Å grain boundaries is >3 times larger than that in the grains, supporting the former model. |
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| ISSN: | 0002-7820 1551-2916 |
| DOI: | 10.1111/j.1151-2916.1980.tb10690.x |