1) initial fatigue quality of fastener hole
紧固孔原始疲劳质量
2) initial fatigue quality
原始疲劳质量
1.
Based on the equivalent initial flaw size method and the coincidence criterion,the initial fatigue quality of two different drilling processes is calculated.
分别在传统制孔工艺和Winslow制孔工艺下,对7050T7351铝合金材料的双犬骨连接件疲劳试验结果进行对比与可靠性分析;基于当量初始裂纹(EIFS)理论和符合性判据,计算不同制孔工艺下的原始疲劳质量;采用体视显微镜和扫描电镜对疲劳断口进行分析;对Winslow制孔工艺强化机理进行了定性的探讨。
2.
In the new method,it was assumed that initial fatigue quality(IFQ) of structure details was not relevant to their configurations,process variables,assembling state,etc.
在新方法中,假设结构细节的原始疲劳质量不受形状、工艺参数和装配状态等影响,而只与材料的缺陷如气孔、夹杂等有关。
3.
Analyzed and compared the status of the theories and the models of fatigue quantitative analysis, the methods of the fractography quantitative analysis fatigue life and stress, as well as the initial fatigue quality on the basis of damage tolerance design and failure estimation have important meanings to engineering components for safe using.
本文对疲劳损伤定量分析的理论和模型、断口定量分析疲劳寿命、疲劳应力以及对工程构件安全使用具有重要意义的基于损伤容限设计思想的原始疲劳质量与失效评估技术的研究现状进行了分析。
3) Initial Fatigue Quality (IFQ)
原始疲劳质量(IFQ)
4) initial fatigue quality model
原始疲劳质量模型
1.
And using the three-parameter Weibull distribution model as the one of the time to crack forming,the initial fatigue quality model is obtained.
建立了较小裂纹尺寸范围内的裂纹扩展速率方程 ,推导裂纹形成时间服从 3参数威布尔分布的原始疲劳质量模型 ,建立了通用EIFS分布 ,建立裂纹超越概率。
5) initial fatigue quality
初始疲劳质量
1.
The model is based on the description of initial fatigue quality (IFQ) of the structural details, and with the randomness of the crack growth taken into consideration.
该模型以结构初始疲劳质量的描述为基础，考虑裂纹扩展的随机性，建立了以裂纹长度为判据的结构失效功能函数，并用ＪＣ法和一次二阶矩法计算飞机机轮轮毂在不同循环次数下的裂纹超过数概率。
6) tightener fatigue examination
紧固件材料疲劳试验
补充资料：紧固
1.牢固。
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