crack grain
英 [kræk ɡreɪn]
美 [kræk ɡreɪn]
网络 裂面
双语例句
- The mechanisms of grain bending, grain delamination, crack deflection inside the layered grain, crack deflection and branch, pull out grain are main energy absorbing mechanisms.
主要能量吸收机制为:晶粒的弯曲、层间滑移,裂纹在层间扩展与偏转,裂纹在晶粒间沿晶界扩展、分叉和晶粒的拔出。 - SEM and metallographic analysis indicate that the crack grows along grain boundaries by cavitation.
扫描电镜和金相照片分析说明,裂纹沿晶界孔洞扩展。 - An Investigation on the Relation between the Fatigue Crack Propagation Threshold and Grain Size The Application of the Dislocation Theory
疲劳裂纹扩展门槛值与晶粒尺寸关系的研究&位错理论的应用 - Cohesive zone model was used to simulate two-dimensional plane strain crack propagation at the grain level model including grain boundary zones.
采用内聚力模型(CZM),模拟多晶体中起裂于晶界的二维平面应变裂纹扩展。 - In order to ensure solid motor with cracked grain to be successfully launched, the strain and stress concentration at the tips of crack should be released by shoveling slot on the crack of grain surface.
工程实际中通常采用于药柱表面裂纹处铲槽的方法来释放裂纹尖端的应力应变集中,以确保药柱含裂纹的固体发动机能正常点火发射。 - The wedge crack forms as a result of grain boundary sliding.
在热疲劳过程中晶粒产生严重的滑动、转动。 - With the increase of carbon content, the quantity of primarily chromium and molybdenum carbide increased while the wear resistant decreased because the crack sprout in grain boundary at where the carbides formed and the flaking is the main wear mechanism in the impact process.
继续提高碳含量,晶界处以铬钼为主碳化物的量增加,冲击过程中裂纹在该处萌生,产生剥落现象,造成耐磨性下降。 - The shielding effect from grain boundary was found in the test for grain cracked bicrystals with the crack normal to the grain boundary.
在晶界垂直晶粒裂纹的双晶体试验中,揭示了晶界对晶粒断裂的屏蔽效应:当裂纹距晶界某一特定长度时,断裂韧性值最大。 - It has been found that the occurrence of intergranular SCC was attributed to both electrochemical corrosion and localized stress concentration at chromium depleted grain boundaries, thus crack initiation and propagation along grain boundaries were accelerated.
研究表明:晶间型应力腐蚀破裂的产生是由于电化学腐蚀与局部应力同时集中在晶界贫铬区,加速裂纹始发并沿晶扩展所致。 - The more comprehensive analyses of the distribution of the density, hardness change, tensile strength, fracture type, fracture mode, crack expansion path, the average grain size, second phase distribution, grain boundary composition and so on were given.
较为全面的分析了制件的密度分布情况、硬度变化情况、抗拉强度、断裂类型、断裂模式、裂纹扩展模式、晶粒平均尺寸、第二相分布、晶界成分等内容。