1) crack nucleus-shaping and crack expansion
裂纹成核与扩展
2) crack nucleation and propagation
裂纹成核和扩展
3) crack initiation and propagation
裂纹启裂与扩展
1.
Study of cold crack initiation and propagation of compacted graphite iron weld;
蠕墨铸铁同质焊缝冷裂纹启裂与扩展研究
4) 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。
5) crack growth and propagation
裂纹生长与扩展
6) structure at crack-tip and propagation of crack
裂纹尖端与裂纹扩展
补充资料：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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条