1) rapid crack propagation
快速裂纹扩展
1.
Progresses in the research of rapid crack propagation(RCP) in polyethylene piping system were reviewed.
对国内外聚乙烯塑料管道系统的快速裂纹扩展 (RCP)的研究现状进行了介绍 ,讲述了RCP的研究方法及国内外相关标准 ,讨论了各种方法间的联系及影响RCP的因素等。
2) Crack growth rate
裂纹扩展速率
1.
Low cycle fatigue crack growth rate of compacted graphite cast iron;
蠕墨铸铁的低周疲劳裂纹扩展速率
2.
Crack Growth Rate of Superalloy GH761 Disk for Turbine at 650 ℃ Fatigue and Creep Interaction;
GH761涡轮盘650℃疲劳/蠕变交互作用下的裂纹扩展速率
3.
Effect of Metallurgy Process on Crack Growth Rate in Superalloy GH871 at Elevated Temperature;
冶炼工艺对GH871合金裂纹扩展速率的影响
3) Crack propagation rate
裂纹扩展速率
1.
The test results of stress life, strainlife and crack propagation rate da/dN provided SN curve, N=4.
1321;当da/dN≥5×10-5mm/周,其裂纹扩展速率为da/dN=2。
2.
The effect of polarization and frequency on the crack propagation behavior including crack propagation rate(CPR) and fracture surface was studied.
5%NaCl活化体系的腐蚀疲劳的裂纹扩展行为,包括对裂纹扩展速率和断口形貌的影响。
3.
The experimental results indicate that the short-crack fracture characteristics (the crack growth threshold, the crack propagation rate and the fatigue life)of structural steel can be improved substantially through an appropriate shot peening treatment.
试验研究结果表明,通过适当的喷丸处理,结构钢的短裂纹断裂性能(裂纹扩展门槛值,裂纹扩展速率和疲劳寿命)可以得到具有较大实际意义的改善。
4) slow-crack-growth
耐慢速裂纹扩展
5) crack propagation rate
裂纹扩展速度
1.
The CF crack propagation rate (in platform region) of martensitic GC-4 steel ismuch higher than that of bainitic one.
5%NaCl溶液中的CF裂纹扩展曲线上,都出现了类似于应力腐蚀的平台区,而且马氏体组织GC-4钢的平台区裂纹扩展速度远大于贝氏体组织。
2.
As the isothermal temperature was changed from 190℃ to 300℃, the SCC crack propagation rate (da/dt)_Ⅱ decreased by one order of magnitude.
5%NaCl溶液中,其应力强度因子门槛值K_(ISCC)没有显著差别,但其应力腐蚀裂纹扩展速度相关较大,随等温温度的升高,应力腐蚀裂纹扩展速度大大降低。
6) fatigue crack growth rate
裂纹扩展速率
1.
The fatigue crack growth rates and fatigue thresholds of a Ti-48Al-2Mn-2Nb intermetallics, which was formed by a special spray forming technique so--called" centrifugal spray deposition" (CSD) under a low vaccum condition, were investigated at ambient temperature.
本文着重研究了采用特殊的离心喷射沉积成型方法制备的Ti-48Al-2Mn-2Nb金属间化台物的室温疲劳裂纹扩展速率和疲劳门槛值。
2.
The fatigue crack growth rates of laser shock processed specimens are compared with those without LSP.
7mm厚高温合金薄板制作成紧凑拉伸试件 ,对预制裂纹延长线进行 3次叠加 (光斑直径 6mm)激光冲击处理 ,进行裂纹扩展速率试验并与未处理的试件进行对比 ,由于激光冲击处理产生的强化效应在裂纹扩展路径上存在区域差别 ,所以裂纹扩展速率无法进行公式拟合 ,但在整体上能大大降低裂纹扩展速
3.
As an important designing and indicating target of damage tolerance, the fatigue crack growth rate (FCGR) should be necessarily studied.
裂纹扩展速率作为损伤容限设计一个重要指标,以及表征材料损伤容限性能的重要方面,有必要对其开展较为深入的研究。
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