相变增韧

ZTA陶瓷以相变增韧为主。

ZTA ceramics was phase transformation toughening .

晶须增韧和相变增韧复合作用的机制与效果

Machanisms and effects of combining whisker reinforcing and phase transformation toughening

SiC颗粒弥散对相变增韧陶瓷高温蠕变性能的影响

The elevated temperature creep behavior of SiC particulate dis & persed and phase transformation toughened ceramics

同样，SiC颗粒可以抑制ZTA的晶界滑移，使ZTA的抗蠕变性能提高8倍左右。用TEM分析了相变增韧陶瓷的蠕变过程及SiC颗粒对蠕变过程的影响。

The creep process and the effect of the SiC particles are also analyzed by TEM .

在ZrO2基的陶瓷中，添加少量Al2O3则可以通过Al2O3晶粒的裂纹弯曲和分叉增韧，强化ZrO2的相变增韧，使ZrO2瓷的强度和断裂韧性得到进一步的提高。

For the ceramics with Al_2O_3 matrix , toughening and strengthening of alumina ceramics can be obtained by the addition of ZrO_2 grains .

同时对TZP增韧HA材料的增韧机制进行了探讨，并认为ZrO2对HA材料的增韧机制主要是应力诱导相变增韧和相变诱发微裂纹增韧。

The toughening mechanism of ZrO 2_reinforced HA composite were stress_ induced phase transformation toughening and phase transformation_induced micro_crack toughening .

该断裂行为与ZrO2层状陶瓷的相变增韧机制密切相关。

This fracture behavior is closely related to the mechanism of phase transition increased toughness of ZrO_2 laminated ceramics .

研究了Y2O3含量对A-Y-TZP相变增韧多晶陶瓷热学和力学性能的作用。

The effects of Y_2O_3 content on the thermal and mechanical properties of A-Y-TZP ceramics have been investigated .

综述了Al2O3增韧的几种方式及其机理，主要包括自增韧、颗粒弥散增韧、晶须（纤维）增韧、相变增韧和复合增韧。

The methods for improving toughness of alumina were reviewed . The toughening methods mainly include self-reinforced , particle dispersion toughening , whisker and fiber toughening , transformation toughening and combine toughening .

统计计算结果进一步证实了微裂纹增韧和应力诱导相变增韧是ZTA材料中两种主要的增韧机制。

According to the statistic results . the microcrack toughening and stress-induced transformation toughening were proved to be two principal mechanisms .

二氧化锆（ZrO2）是一种新型高技术陶瓷材料，除了具有相变增韧特性外，还有很好的高温热稳定性、隔热性能及很低的热导率。

Zirconia ( ZrO_2 ) is one of the high-tech ceramics having excellent performance for application , such as transformation toughening , high-temperature thermal-stability , thermal insulation , low thermal conductivity etc.

综合论述了国内外对ZrO2陶瓷的相变增韧机理的研究，介绍了ZrO2陶瓷的类型和性能以及在陶瓷和其它工业领域的应用前景。

The transformation toughening , mechanisms are surveyed for ZrO 2 ceramics and introduces its types , properties , application in ceramics and other industrial fields .

稳定剂Y2O3在ZrO2中含量小于2.5mol%时，t→m相变量及断裂韧性随Y2O3含量增加而逐渐提高，韧性提高来源于相变增韧和微裂纹增韧；

The phase transformation and toughness were increased with Y 2O 3 content in less than 2.5mol % Y 2O 3.The toughness increasing came from t m transformation and micro cracks .

讨论了ZrO2（2Y）的含量、相对密度对Al2O3陶瓷力学性能的影响，以及相变增韧、显微组织与力学性能的关系。

The effect of the content and relative density of ZrO_2 ( 2Y ) on mechanical properties of Al_2O_3 ceramic is discussed . The relationship of transformation , microstructure and mechanical properties are probed into as well .

并且，烧结体中的ZrO2多数还是以单斜相保留下来，缺少相变增韧的条件，难以获得力学性能优良的陶瓷。

Also , through this method only monocline ZrO_2 was founded in the matrix of 95 ceramics , which lacks the requirement of toughness of stress induced phase transformation . So ceramics with high performance can not be obtained in this way .

研究结果表明：相变增韧和层状复合协同强韧化Al2O3能基本保持陶瓷抗弯强度，冲击韧性提高了37倍。

The results showed that the tensile strength of the ZTA / BN laminated composite ceramics was almost the same as that of the alumina ceramic , while the impact strength of the ZTA / BN increased to be 37 times higher than that of the alumina ceramic .

当Y2O3加入量为2.5mol%时，抗折强度达978MPa，断裂韧性达15.1MPam~1/2。其增韧机理属于应力诱导相变增韧。

When the content of Y_2O_3 reaches 2.5 mol % , the bending strength can be as high as 978 MPa and the fracture toughness 15.1MPa · m ~ ( 1 / 2 )· The toughening mechanism belongs to the stress-induced transformation toughening .

微晶玻璃中ZrO2的增韧机理主要是应力诱发相变增韧、裂纹偏转增韧及微裂纹增韧，增韧效果受微晶玻璃中ZrO2的体积含量、ZrO2的晶型、晶体尺寸及晶体形貌等因素影响。

The main toughening mechanisms of ZrO 2 in galss ceramics include phase transformation toughening 、 crack deflection toughening and microcracking toughening , the toughening effect can be influenced by such factors as the volume fraction 、 crystal type 、 grain size and morphology of ZrO 2 , etc.

测试了60Wt%ZrO2（2.25mol%Y2O3）－40Wt%α－Al2O3（ZYA）粉末样品受机械压力前后的拉曼光谱，并由此证明了四方相ZrO2陶瓷基质的相变增韧机制。

The Raman spectra of ZYA system [ 60Wt % ZrO 2 ( 2.25mol % Y 2O 3 ) 40Wt % α Al 2O 3 ] were measured before and after it was pressed . The results proved the toughening mechanism of phase transformation from tetragonal ZrO 2 to monoclinic .

弥散相增韧及相变增韧陶瓷综述

General Introduction to Toughening Ceramics with Dispensed Phase and Phase Change

氧化锆层状复合陶瓷表面压应力与相变增韧的关系

Relationship between Surface Compressive Stresses and Transformation Toughening of ZrO_2 Laminated Ceramics

Ⅰ-Ⅱ混合型裂纹相变增韧分析

Toughening Analysis of Mixed-Mode ⅰ - ⅱ Cracks in Transformation Toughened Ceramics

Cu－Ni－Al单晶的分形断裂与相变增韧

Fractal fracture and transformation toughening in Cu-Ni-Al single crystal

相变增韧陶瓷压痕开裂的力学分析

Mechanical analysis of indentation cracking for transformation toughening ceramics

陶瓷材料相变增韧尺寸效应的力学分析

Analysis of size effect on transformation toughening in ceramics

氧化锆陶瓷Ⅱ-Ⅲ复合型裂纹的综合相变增韧作用

Toughening Action of Complex Transformation on Mixed Mode n - 1 Cracks in Ceramics

陶瓷基复相材料的非相变增韧机制

Toughing mechanism of non-phase transformation in multiphase ceramics

二氧化锆陶瓷的相变增韧机理和应用

Transformation toughening mechanisms and application of zro_2 ceramics

相变增韧陶瓷平面应变Ⅰ型&定常扩展裂纹的渐近分析（Ⅰ）

Asymptotic analysis of plane-strain mode ⅰ steady-state crack growth in transformation toughening ceramics (ⅰ)

证实了相变增韧和颗粒弥散增韧的协同效应。

The toughening synergism between phase transition and particle dispersing are also analyzed primarily .