ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2019
Breaking the Limit of Micro-Ductility in Oxide Glasses.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Hyperconnected amorphous oxide networks under compression.Nature communications · 2025Article
- New Interpretation of Glass Formation in Isomeric Substances: Shifting from Melting-Point to Melting-Entropy.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Compositional Effects on Indentation Mechanical Properties of Chemically Strengthened TiOMaterials (Basel, Switzerland) · 2022Article
- Indentation Response of Calcium Aluminoborosilicate Glasses Subjected to Humid Aging and Hot Compression.Materials (Basel, Switzerland) · 2021Article
- Article
- Breaking the Limit of Micro-Ductility in Oxide Glasses.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2019Article
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Authors and funding
8 authors.
Funding
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Abstract
Oxide glasses are one of the most important engineering and functional material families owing to their unique features, such as tailorable physical properties. However, at the same time intrinsic brittleness has been their main drawback, which severely restricts many applications. Despite much progress, a breakthrough in developing ultra-damage-resistant and ductile oxide glasses still needs to be made. Here, a critical advancement toward such oxide glasses is presented. In detail, a bulk oxide glass with a record-high crack resistance is obtained by subjecting a caesium aluminoborate glass to surface aging under humid conditions, enabling it to sustain sharp contact deformations under loads of ≈500 N without forming any strength-limiting cracks. This ultra-high crack resistance exceeds that of the annealed oxide glasses by more than one order of magnitude, making this glass micro-ductile. In addition, a remarkable indentation behavior, i.e., a time-dependent shrinkage of the indent cavity, is demonstrated. Based on structural analyses, a molecular-scale deformation model to account for both the ultra-high crack resistance and the time-dependent shrinkage in the studied glass is proposed.
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