Radial cracking at Vickers indentations in pristine flat/square silica fibers

It has been found that the pristine surface of as‐drawn, flat silica fibers can be indented in air (~50%RH) using a Vickers diamond at a load of 11N without severe cracking during loading. Cracking does occur during unloading, but rather than ring and cone cracks as has been found by many others, ra...

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Veröffentlicht in:	International journal of applied glass science 2022-01, Vol.13 (1), p.11-20
Hauptverfasser:	Kurkjian, Chuck R., Allameh, Seyed M., Yoshida, Satoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Cracks Diamond pyramid hardness tests Diamonds Glass plates indentation in‐situ observation radial crack ring crack Silica glass Silicon dioxide Stress distribution
Online-Zugang:	Volltext
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