复合材料中存在着晶须补强和相变增韧等双重强韧化机制。
Both phase transformation toughening and whisker reinforcing are existed in the composite system.
分别给出了静止裂纹和定常扩展裂纹相变增韧的理论表达式。
The theoretical expressions of the toughening effect for both the stationary and steady - state growing crack are given respectively.
所得实验结果为进一步深入研究相变本构关系和相变增韧机理提供了重要的实验依据。
This work provides a significant experimental foundation for establishing the theoretical models of transformation toughening.
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.
表面压应力作用强化了相变增韧效果，改善了材料的表面抗裂纹性能和抗热震稳定性等力学性能。
The R-curve and thermal shock resistance properties are improved and the transformation effect are strengthened by the surface compressive stress effect.
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.
通过结果分析得出了相变时的范性形变对增韧有贡献等较有意义的结论。
Results of analysis point to the conclusion that plastic deformation due to transformation may contribute to toughness .
应力诱导相变是主要的增韧机理。
Stress_induced transformation toughening was the main toughening mechanism.
应力诱导相变是主要的增韧机理。
Stress_induced transformation toughening was the main toughening mechanism.
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