Mechanical Fatigue of Hybrid Glasses

Mechanical Fatigue of Hybrid Glasses

Mechanical fatigue is a potent mechanism of material degradation. Cyclic loading is shown to accelerate crack growth in a ZrOx/epoxysilane film, demonstrating that hybrid organic–inorganic glasses can be susceptible to fatigue. Plasticity‐driven fatigue is evidenced by nanometer‐high striations on t...

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Veröffentlicht in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2010-09, Vol.6 (17), p.1892-1896
Hauptverfasser: Oliver, Mark S., Dauskardt, Reinhold H.
Format: Artikel
Sprache:eng
Schlagworte:
fatigue
Glass - chemistry
hybrid materials
Materials Testing
mechanical properties
molecular dynamics
Oxygen - chemistry
Silicon - chemistry
thin films
Zirconium - chemistry
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Zusammenfassung:Mechanical fatigue is a potent mechanism of material degradation. Cyclic loading is shown to accelerate crack growth in a ZrOx/epoxysilane film, demonstrating that hybrid organic–inorganic glasses can be susceptible to fatigue. Plasticity‐driven fatigue is evidenced by nanometer‐high striations on the fracture surfaces. The molecular origin of plasticity in these glasses is discussed with the aid of molecular dynamics simulations.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.201000667