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Author:

钟涛兴 (钟涛兴.) | 张光磊 (张光磊.) | 张久兴 (张久兴.) (Scholars:张久兴) | 张霄凤 (张霄凤.) | 李侠 (李侠.)

Indexed by:

incoPat zhihuiya

Abstract:

一种牙科长石质生物陶瓷材料的制备方法属于烧结技术领域。该材料含有重量百分比为60.43~70%的SiO2,18.59~22%的Al2O3,7~18.19%的K2O,1.86~4%Na2O。该制备方法是选用一级矿物钾长石粉,加入重量百分比0~10%的K2CO3,混粉、球磨,得到粒度范围2~20μm的原粉料;在石墨模具中装入上述原粉料;将装有粉料的模具放入放电等离子烧结设备中,抽真空2~4Pa,加压20~30MPa,在50~300℃/min下快速升温,在850~1200℃下烧结,保温时间0~5min,自然冷却,得到本发明的生物陶瓷材料。该方法制得的长石质生物陶瓷材料具有透明性好,烧结致密,断裂韧性较高等特点。

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Patent Info :

Type: 发明授权

Patent No.: CN200410101255.3

Filing Date: 2004-12-17

Publication Date: 2008-05-07

Pub. No.: CN100386286C

Applicants: 北京工业大学

Legal Status: 未缴年费

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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