1) crack propagation strain gauge
裂纹扩展应变计
2) strain fatigue crack growth
应变疲劳裂纹扩展
1.
In order to study the behavior of plastic strain fatigue crack growth (PSFCG) in the high strain zone of the notch , the constant amplitude PSFCG tests with six R ratios were performed on the single edge elliptical notch crack plates(SENCP) fabricated from 16MnR steel, while Δ J * path was calculated employing the material stress strain relation under the PSFCG from the elastic plastic fin.
简介了循环Ｊ积分ΔＪ＊ｐａｔｈ体系，以１６ＭｎＲ钢单边椭圆孔边裂纹试件进行了６种循环应力比的恒幅应变疲劳裂纹扩展试验，采用材料应变疲劳循环加载条件下的应力－应变关系，通过弹塑性有限元素法计算ΔＪ＊ｐａｔｈ参量，研究了孔边高应变区裂纹塑性应变疲劳扩展规律。
4) thermal effect of crack propagation
裂纹扩展热效应
5) creep crack growth rate (CCGR)
蠕变裂纹扩展率
1.
A theroretical equation for the calculation of creep crack growth rate (CCGR) has also been derived.
根据局部损伤理论和相似原理 ,给出了蠕变裂纹启裂前的孕育上下限时间并推导了蠕变裂纹扩展率方程。
6) creep crack growth
蠕变裂纹扩展
1.
How to charcterize the creep crack growth with appropriate fracture mechanics parameters is rather challenging to the structural integrity assessment in the presence of weld interface.
为此建议对ASTME145 7推荐的C 计算式进行修正 ,以正确演绎焊接试样的蠕变裂纹扩展行为。
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