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Alkali Durability of Oxynitride Glass Fibers
Author(s) -
Wusirika Raja
Publication year - 1991
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1991.tb06909.x
Subject(s) - durability , materials science , alkali metal , composite material , silicate , glass fiber , chemical engineering , chemistry , organic chemistry , engineering
Oxynitride glass fibers were drawn from the melt in N 2 atmospheres. The fibers were tested for their alkali durability in 10% NaOH at 96°C for 6 h. The durability is reported as weight loss in mg/cm 2 . The photomicrographs of the fibers before and after testing are presented. Calcium silicate oxynitride fibers have good durability because of a protective surface layer of Ca(OH) 2 . Yttria‐containing glasses have the best durability among the compositions reported here.