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説明:

Critical cooling rate Q for zinc tellurite glass system is
determined based on the time-temperature-transfer (T-T-T) diagrams,
which are compiled by analyzing the crystallized area in the glass
sample libraries annealed simultaneously by a furnace with
temperature gradient. This method reduces the laborious routine
work for preparation, which is needed in the conventional method.
Since the surface/volume ratio of the present samples is large,
their crystallization is mainly governed by heterogeneous
nucleation. Thus, the Q values in this study can be used as a
practical index for the glass products whose surface should be free
of being ground and/or polished, such as fire-polished lenses,
optical fibers and waveguides.

権利情報:

キーワード: time-temperature-transfer diagram, crystallization tendency, critical cooling rate, glass

刊行年月日: 2002-10-14

出版者:

掲載誌:

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI:

公開URL: https://doi.org/10.1016/S0169-4332(01)01016-9

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更新時刻: 2024-01-05 22:14:05 +0900

MDRでの公開時刻: 2021-08-14 03:54:58 +0900