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題 名 | Hydrated Behaviors and Mechanical Properties of Silicate-Containing Dental Glass Ceramics=氧化矽基牙齒玻璃陶瓷的水解性和機械性質 |
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作 者 | 許澤勳; 歐仲仁; 洪良易; 陳德源; | 書刊名 | Proceedings of the National Science Council : Part A, Physical Science and Engineering |
卷 期 | 24:4 2000.07[民89.07] |
頁 次 | 頁301-305 |
分類號 | 416.98 |
關鍵詞 | 水解性; 機械性質; 矽酸氧化物; 陶瓷牙齒玻璃; 玻璃陶瓷; 牙齒材料; Mechanical properties; Microsturcture; Hydration; Dental materials; Glass ceramics; Alloy design; |
語 文 | 英文(English) |
英文摘要 | Several silicate-containing dental ceramic glasses with the composition xMOy-zAl2O3-SiO2 (M = Na, K, Ca, Ba) were studied. The cations Ca+2, Ba+2, and Na+ were used to replace K+ in the glass structures. Under a hydrolytic resistance test according to ISO standards, some of these ceramic glasses had weight loss of less than 0.05%, which indicates a 30-year life span for dental applications in the oral environment. Hydrated ceramic glasses were found to have better mechanical properties than glasses without hydration, with approximately 20% greater flexural strength. Possible strengthening mechanisms for the hydrated ceramic glasses are explained. Furthermore, the powder preparation, microstructure, and hydration behaviors of these dental ceramics are discussed. |
本系統中英文摘要資訊取自各篇刊載內容。