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Author:

张霄凤 (张霄凤.) | 张光磊 (张光磊.) | 惠剑 (惠剑.) | 钟涛兴 (钟涛兴.) | 张久兴 (张久兴.) | 吉元 (吉元.)

Abstract:

目的:比较总结两种可加工长石瓷的性能及组织,为牙科可加工长石瓷的制备提供新的选择.方法:采用放电等离子烧结技术(简称SPS)在温度1120℃,压力30MPa,升温速度100℃/min制备出可加工陶瓷块,与德固VITAA公司的VITA MARKⅡ进行比较;运用直接压痕法测量两种材料的断裂韧性、硬度、弹性模量,分析两种陶瓷的晶相成分及显微组织.结果:SPS烧结得到的长石瓷断裂韧性能达1.44-1.53MPa1/2,高于VITA MARKⅡ(1.2MPa1/2);硬度为622-644kgf/mm2,弹性模量为60-66kgf/mm2,与VITA MARK Ⅱ(645kgf/mm2,63 kgf/mm...

Keyword:

长石瓷 断裂韧性 可加工陶瓷 放电等离子烧结(SPS)

Author Community:

  • [ 1 ] 北京工业大学新型功能材料教育部重点实验室

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Source :

Year: 2004

Language: Chinese

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: 9

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