The theoretical model and the constitutive equation with the response of both tension and compression for elastic brittle damage evolution taken into account are derived.
提出了考虑拉压响应的弹脆性损伤演变的理论模型与本构方程。
Those who survive are at greater risk of developing brittle bones, life-threatening infections, kidney damage and heart problems.
那些存活下来的人面临着更大的风险，如骨头变脆，威胁生命的感染，肾脏损害以及心脏问题。
One of important reasons is that the generation of brittle martensite due to brake sliding of wheels on rails leads to tread damage and its creep.
一个主要原因是车轮在钢轨上由于制动滑动产生的脆性马氏体所导致的踏面热损伤和蠕变。
Giving an imitation of traditional plastic theory , a damage surface model on brittle rock about temperature in stress-space is introduced and the evolutionary law is discussed qualitatively.
参照经典塑性力学的屈服面理论，引入了温度作用下应力空间中脆性岩石的损伤面模型，定性地讨论了荷载和温度影响下损伤面时的演化规律。
Objective To compare the difference in strength degradation and morphology damage of brittle dental ceramic after static load and cyclic fatigue.
目的比较牙科陶瓷循环和静态加载后的强度下降规律以及结构损伤差异。
Proved by the test data, the precision of constitutive model with brittle, ductile failure is higher, which can provide accurately the basis for rock damage assessment.
经实测数据与所建模型对比验证，延性破坏、脆性破坏模式本构模型精度较高，可为岩石损伤评估提供依据。
As the element is very brittle, be careful while install and maintain to avoid any damage.
由于碳化硅元件质脆，在安装维修时要小心，以免损坏。
Due to the addition of rubber granules, the deformation of concrete will be larger in damage, and the damage form will be changed from brittle fracture to ductile fracture.
混凝土中掺入橡胶颗粒后，在破坏时产生较大的变形，破坏形式由脆性破坏变为延性破坏。
Contact with strong oxidizing acids such as nitric acid, chromic acid and so on, due to strong oxidation products will cause brittle hair, discoloration, early damage.
接触强氧化酸如硝酸、铬酸等，因强氧化作用会造成产品发脆、变色、早期损坏。
Rocks were typical inhomogeneous brittle materials with abundant various deficiencies inside and will generate plenty of acoustic emission signals during damage process under loading.
岩石是典型的非均匀脆性材料，其内部富含各种缺陷，在受载破裂过程中会产生大量的声发射信号。
A damaged elasto-brittle material constitutive relation in incremental form which consideres anisotropy of both material and damage is presented in this paper.
本文提出了一种增量形式的受损弹脆性材料的本构关系，此关系考虑了材料与损伤两者的各向异性。
An anisotropic damage model and an effective thermal conductivity model were presented based on homogenization techniques for low-porosity brittle rocks subjected to mechanical and thermal loadings.
基于均匀化方法给出低孔隙率脆性岩石在热—力耦合荷载作用条件下的各向异性损伤模型和有效热传导特性模型。
Thermal-mechanical-chemical coupling damage model of brittle rock is established based on damage mechanics.
考虑化学反应对温度的影响，通过温度作用下的弹性模量，提出了岩石温度损伤模型。
The invention belongs to the field of ultra-precision processing of hard and brittle crystal materials and relates to a corroding agent for detecting damage of a surface layer of a sapphire substrate.
本发明属于硬脆晶体材料超精密加工领域，涉及一种用于检测蓝宝石基片表面层损伤的腐蚀剂。
Finally, the property of materials is a key factor affecting the edge damage, the hard-brittle materials with good ductility have little edge damage after grinding.
另外材料自身特性也是影响边界缺陷的关键因素，塑性好的材料磨削后其边界缺陷相对较少。
The combination of damage theory and computing method is a promising approach to resolve the stochastic problems due to the heterogeneities in quasi-brittle materials.
在细观力学和统计强度理论基础上，将损伤力学与计算机技术相结合将是一种有前途的分析方法。
The combination of damage theory and computing method is a promising approach to resolve the stochastic problems due to the heterogeneities in quasi-brittle materials.
在细观力学和统计强度理论基础上，将损伤力学与计算机技术相结合将是一种有前途的分析方法。
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