書誌事項
- タイトル別名
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- Effect of planetary ball milling and elutriation processes on the α-β phase transition of quartz
- ユウセイ ボールミル フンサイ ト スイヒ ショリ ガ セキエイ ノ a-vソウ テンイ ニ オヨボス コウカ
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説明
<p>SEM observation, dynamic light scattering measurement, powder X-ray diffraction measurement, and differential thermal analysis were carried out on quartz powder ground by a planetary ball mill and on fine-grained quartz that was further separated by elutriation. The results of this study showed that the crystallite size of α-quartz decreased with increasing milling time, but there was a trend of increasing the aggregate size. The amorphous phase was evaluated from the XRD baseline intensity at around 2θ=11°. The amount of amorphous phase generated by the ball milling increased in α-quartz with milling time. As a result, the areas of both endothermic and exothermic peaks corresponding to the α-β and β-α phase transitions decreased and finally disappeared completely. Even by decreasing the areas of endothermic and exothermic peaks, no obvious changes were observed in the α-β and β-α phase transition temperatures. The results of this study suggest that differential thermal analysis can be used as a useful tool to evaluate the initial process of amorphization in α-quartz.</p>
収録刊行物
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- 岩石鉱物科学
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岩石鉱物科学 50 (3), 79-86, 2021
一般社団法人 日本鉱物科学会
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詳細情報 詳細情報について
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- CRID
- 1390570496872481408
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- NII論文ID
- 130008074032
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- NII書誌ID
- AA1146088X
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- ISSN
- 13497979
- 1345630X
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- NDL書誌ID
- 031656439
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可