Brazhkin, V. ; Dubrovinskaia, N. ; Nicol, M. ; Novikov, N. ; Riedel, Ralf ; Solozhenko, V. ; Zhao, Y. (2004)
What does 'Harder than diamond' mean?
In: Nature Materials, 3 (9)
doi: 10.1038/nmat1196
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Syntheses of new classes of hard and superhard materials1,2,3 provide new challenges for the measurement of hardness. In the past, the criteria for such measurements were based on a careful comparison and semiquantitative appraisal of materials with respect to each other. The best example of this is the Mohs hardness scale, which categorizes materials in terms of their ability to scratch one another, with diamond at the top with a value of 10. But for materials that are purportedly harder than diamond, using such relative criteria become problematic, which in turn raises the question of what it means — in quantitative terms — for a material to be harder than diamond. This question was the subject of intense debate amongst delegates at a recent workshop on superhard materials*, and this correspondence summarizes the consensus of these discussions.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2004 |
| Autor(en): | Brazhkin, V. ; Dubrovinskaia, N. ; Nicol, M. ; Novikov, N. ; Riedel, Ralf ; Solozhenko, V. ; Zhao, Y. |
| Art des Eintrags: | Bibliographie |
| Titel: | What does 'Harder than diamond' mean? |
| Sprache: | Englisch |
| Publikationsjahr: | 1 September 2004 |
| Verlag: | Nature |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Nature Materials |
| Jahrgang/Volume einer Zeitschrift: | 3 |
| (Heft-)Nummer: | 9 |
| DOI: | 10.1038/nmat1196 |
| URL / URN: | https://doi.org/10.1038/nmat1196 |
| Kurzbeschreibung (Abstract): | Syntheses of new classes of hard and superhard materials1,2,3 provide new challenges for the measurement of hardness. In the past, the criteria for such measurements were based on a careful comparison and semiquantitative appraisal of materials with respect to each other. The best example of this is the Mohs hardness scale, which categorizes materials in terms of their ability to scratch one another, with diamond at the top with a value of 10. But for materials that are purportedly harder than diamond, using such relative criteria become problematic, which in turn raises the question of what it means — in quantitative terms — for a material to be harder than diamond. This question was the subject of intense debate amongst delegates at a recent workshop on superhard materials*, and this correspondence summarizes the consensus of these discussions. |
| Zusätzliche Informationen: | 1st International Workshop on Advanced Superhard Materials (IWASM) at Villetaneuse, France, 10–12 December, 2003. |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Disperse Feststoffe |
| Hinterlegungsdatum: | 17 Dez 2018 11:45 |
| Letzte Änderung: | 30 Jan 2019 11:47 |
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