And with the increasing of temperature,fracture mode varied significantly from cleavage fracture to ductile fracture.
5 %Si Fe热轧合金的层状组织消除 ;其断裂模式随拉伸温度的升高迅速由解理断裂向韧性断裂转变 ;在 2 0 0℃拉伸时 ,为纯解理断口 ,此时该合金即具有高达 2 6 %的延伸率 ;但是在 2 0 0℃ - 40 0℃温区 ,延伸率未随温度的升高而显著增大 ,其断口形貌为解理 +韧窝的混合断口 ;在 5 0 0℃拉伸时 ,为纯韧窝断口 ,其延伸率可达 43
The cleavage fracture surfaces of Ti_3Al and Ti-24Al-11Nb samples after tensile tests in air were studied with a scanning tunnel microscope(STM).
采用隧道扫描显微镜（ＳＴＭ）对Ｔｉ３Ａｌ及Ｔｉ－２４Ａｌ－１１Ｎｂ试样在空气中拉伸的解理断口进行了研究。
Results showed that pure molybdenum plate with the fibrous microstructures possessed a good quality of ductility,and its fracture be-havior was quasi-cleavage fracture.
结果表明:纤维状组织的高纯钼板具有良好的室温韧性,其断裂表现为准解理断裂;若经过回复和再结晶,纤维组织转化成等轴晶粒组织,则材料呈现脆性,其断裂表现为穿晶解理断裂和沿晶脆性断裂的混合型断裂。
According to literature,we have done the analysis to the process of the crack s blunt crack and stress spreads on the symmetrical axle combining with the slip linear field theory of blunt cutting edges in the plasticity mechanics and indicated the relationship between the condition of quasi-cleavage fracture K_(1c) and basic mechan.
利用相关文献的结果,结合塑性力学中钝切口的滑移线场理论,对于裂纹的钝化过程及其对称轴上的应力分布做了近似分析,导出了准解理断裂情况K1c与材料的基本力学性能之间的关系。
Brittle zone was cleavage fracture,tough-brittle zone was quasi-cleavage fracture.
脆性区为解理断裂,韧脆混合区为准解理断裂。
The results indieated that hydrogen-indueed craeking ean oeeur when the sample is deformed during the charging,that is,deformation is a necessary condition for hydrogen induced cracking and hydrogen induced cracking results from the interaction between hydrogen an.
结果表明,只有在充氢过程中进行塑性变形才能引起氢致断裂,即塑性变形是氢致断裂的必要条件,氢致断裂过程是氢与应力交互作用的过程。
Its microstructure include: dimple, plastic intererystalline, cleavage and mixed fracture.
高锰钢微观断口有:韧窝断口、塑性沿晶断口、解理断口及混合断口。
The tesile fracture is mixture of quasicleavage and touph dimple.
拉伸断口为韧窝和准解理混合断裂。
The fracture mode changed from quasi-cleavage plus cleavage obtaioed from conventional treatment to quasi-cleavage plus dimple.
微观断口由常规工艺的准解理加解理断裂变为准解理加韧?断裂。
Fracture measurements show that the mode attributed to cleavage fracture.
断口实验结果表明,接头断裂模式为解理断裂。
Scanning electron microscope examination shows that the fractured surfaceschanges from the quasi-cleavage type to the cleavage type.
断口的扫描电子金相从准解理型过渡到解理型。
The steel trea-ted with this pruccss shows a fractograph with quasi-cleavage and dimple。
钢的断口为准解理十韧窝属于韧性断裂。
The fracture of composites assumes toughness dimple.
复合材料的拉伸断口为解理与韧窝混合断裂.
With the increase of graphite content, the bending frature morphology changes gradually from dimple to cleavage.
随石墨含量的增加，材料的弯曲断口由韧窝向解理，沿晶断口过渡。
The fatigue fracture of test alloys has mixed-rupture characteristics of quasi-cleavage and dimples.
合金的疲劳断口呈现出准解理与韧窝断裂的混合特征。
Fracture surfaces show predominant cleavage river pattern with a small quantity of dimples in the core.
硅钢断口边缘呈现解理断裂的“河流花样”,心部存在少量的韧窝。
Scanning electron microscopy analysis on blade fracture shows: the fracture is characterized by cleavage, quasi-cleavage and stress corrosion and so on.
对叶片断口扫描电镜分析显示,断口具有准解理、韧窝、力腐蚀等复杂特征。
Riverlet pattern, secondary cracks and dimples were visible on the fracture surfaces. The fracture morphology was of cleavage character.
疲劳断口可见河流花样、次裂纹、韧窝,具有解理特征.
The fractures of the alloys change from dimple to cleavage fracture with river pattern.
合金的断口形貌由韧窝向河流花纹状的解理形貌转变。
The Effects of Initial Damage on the Cleavage Fracture Behavior of Notched Specimens with Different Microstructures of Steels;
初始损伤对不同钢组织缺口试样解理断裂行为的影响
EFFECTS OF LOADING RATE,NOTCH GEOMETRY AND LOADING MODE ON THE CLEAVAGE FRACTURE BEHAVIOR OF 16MnR STEEL
加载速率、缺口几何和加载方式对16MnR钢解理断裂行为的影响
Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker
126 kV双断口真空断路器的理论分析
Are they on the floor?
五、阅读理解，判断对错。
I can run on the grass.
二、阅读理解，判断对错。
