论述了非相变增韧陶瓷及纤维增韧陶瓷的室温及高温疲劳特性，重点介绍了循环载荷对疲劳裂纹扩展过程的影响。
The fatigue behavior of non-transferring toughened ceramics and fiber reinforced ceramics at ambient and elevated temperature was discussed in detail.
由于生物陶瓷材料的弹性模量较小，很难采用添加氧化锆引起的相变增韧来解决上述缺点。
These disadvantages cannot be overcome by addition of tetragonal zirconia resulting in phase transition toughening, because of the low elastic module of the ceramic artificial bone materials.
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