1)crack initiation and propagation裂纹萌生与扩展
1.Dynamic observation of cold crack initiation and propagation in SG cast iron weld;球状石墨铸铁焊缝冷裂纹萌生与扩展动态观察
2.In-situ tensile tests with special designed SEM were conducted to trace the whole process of crack initiation and propagation induced by TiN inclusion in ultra-high strength steel MA250 which is widely used for aircraft engine shafts.采用扫描电镜原位观测的方法,动态跟踪观察拉伸载荷作用下航空发动机轴类超高强度钢MA250中不同形状和尺寸的TiN夹杂导致裂纹萌生与扩展的微观行为,从微观角度分析拉伸载荷作用下夹杂物的几何长轴与外加载荷方向成不同角度时裂纹的萌生方式。
3.In-situ fatigue tests with special designed SEM have been conducted to trace the whole process of crack initiation and propagation induced by AlN inclusion in ultra-high strength steel under low-cycle fatigue load.采用扫描电镜原位观测的方法,跟踪观察了低周疲劳载荷作用下超高强度钢中AlN夹杂导致裂纹萌生与扩展的微观行为,得到了材料疲劳裂纹表面长度与内部长度之间的关系,可以根据实际检测到的材料或者结构疲劳裂纹表面长度计算其内部长度,并估算其剩余寿命。
英文短句/例句
1.Research on the Fatigue Crack Initiation and Propagation of 16Mn Steel Welded Structure;16Mn钢焊接件疲劳裂纹萌生与扩展的研究
2.Study on crack initiation and propagation behavior of P91 steel under impact loading冲击载荷下P91钢的裂纹萌生与扩展行为研究
3.Mechanism on crack initiation and propagation of rail under rolling contact fatigue滚动接触疲劳作用下的铁轨裂纹萌生与扩展机理
4.Crack defect promotes crack initiation and growth.裂纹缺陷促进了裂纹的萌生和扩展.
5.A STUDY ON FATIGUE CRACK INITIATION AND SMALL CRACK GROWTH UNDER THE CYC LIC COMPRESSIVE LOAD CONDITION压缩循环加载下缺口裂纹的萌生与小裂纹扩展规律研究
6.Subsurface Crack Initiation and Propagation Mechanism in GCr15 Steel;GCr15钢内部裂纹萌生和扩展机理的研究
7.THE INITUTION AND PROPAGATION OF THE VIBRATION FATIGUE CRACK IN SINTERED STEEL UNDER REPEATED IMPACT LOAD多次冲击载荷下粉末冶金热锻钢的振动疲劳裂纹萌生、扩展与断裂
8.EFFECT OF SURFACE HARDENING ON FATIGUE CRACK INITIATION AND PROPAGATION IN NODULER CAST IRON表面强化对球铁疲劳裂纹萌生、扩展的影响
9.Crack Initiation Toughness and Crack Propagation Toughness of PA6/POE-g-MAH Blends in Notched Impact TestsPA6/POE-g-MAH共混物缺口冲击的裂纹萌生韧性及裂纹扩展韧性
10.The Initiation and Growth Simulation of Single Crystal Metal Micro-crack Based on Molecular Dynamics;基于分子动力学的单晶金属微裂纹萌生和扩展模拟
11.Study on Initiation and Propagation of Short Crack for Low Cycle Fatigue at High Temperature and Complex Stress States;复杂应力状态下高温低周疲劳短裂纹萌生及扩展规律研究
12.Simulation of Structure Fatigue Crack Initiation and Growth;结构疲劳裂纹产生与扩展的计算模拟
13.Mechanism and Numerical Simulation of Rock s Crack Propagation Under Detonation Gas;爆生气体作用下岩石裂纹扩展机理与数值模拟
14.The results show that the thermal fatigue cracks after forming propagate preferentially in the hard phase, and the propagation of crack is stoped and dulled when it meet steel basic phase.结果表明:萌生后的热疲劳裂纹优先在硬质相中扩展,遇到钢基体相后受阻、化。
15.Fatigue Reliability Analysis and Crack Initiation Micromechanism for 42CrMo Steel;42CrMo钢疲劳可靠性分析与裂纹萌生微观机理研究
16.The Microstructure and Fatigue Initiation of an AA2524-T34 Aluminum AlloyAA2524-T34铝合金的微观结构与疲劳裂纹萌生机制
17.Theoretical and Applied Research on Crack Growth and Damage Evolution裂纹扩展与损伤演化理论与应用研究
18.THE FEATURE AND MECHANISM OF FATIGUE CRACK PROPAGATION IN TOOL AND DIE STEELS工模具钢中疲劳裂纹扩展特征与机制
相关短句/例句
crack initiation and propagation裂纹的萌生与扩展
3)microcrack initiation and propagation微裂纹萌生与扩展
4)crack initiation and propagation裂纹萌生和扩展
5)crack producing and extending裂纹萌生扩展
6)Thermal fatigue crack initiation and propagation热疲劳裂纹的萌生与扩展
延伸阅读
裂纹失稳扩展分子式：CAS号：性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
