1) dynamic fatigue
动疲劳
1.
Glass's strength is found to be in direct proportion of Loading velocity in this paper,from ring-ring flexure glass square plate dynamic fatigue test for four indentation in four loading velocities.
本文通过四荷载V氏压痕玻璃方板,在空气中利用四种加载速率的同轴双环弯曲动疲劳试验,发现玻璃强度与加载速率成正比例关系,并得出结论:高强度区的破坏是由尖裂纹萌生造成的;低强度区的破坏是由亚临界裂纹扩展所致。
2) vibration fatigue
振动疲劳
1.
Analysis on vibration fatigue and heat transfer enhancement technology of shell and tube heat exchangers;
管壳式换热器振动疲劳与强化传热技术评析
2.
The results show that the fracture mode of blade is vibration fatigue and the main cause of initiation of fatigue crack is the mismatch between rabbet and tongue-and-groove.
结果表明,叶片的断裂模式为振动疲劳,叶片榫头与榫槽配合不当是萌生疲劳裂纹的主要原因。
3.
An advanced global/local finite element modeling (FEM) technique combined with superelement technique was used to study SMT solder joint vibration fatigue on the basis of an example of Flip Chip assembly.
应用超单元技术并结合局部 /整体三维有限元模型 ,以 Flip Chip封装体系为例 ,对 FlipChip焊点的振动疲劳可靠性问题进行研究 。
3) dynamic fatigue
动态疲劳
1.
Effect of humidity of drawing environment on dynamic fatigue of high strength optical fiber;
拉丝环境湿度对高强度光纤动态疲劳的影响
2.
The variability of dynamic fatigue load varied with time during the life cycle of offshore platform was divided into two parts of long-term variability and short-term variability of fatigue load.
为了实现海洋结构的全寿命周期管理,将平台寿命周期内的动态疲劳载荷随时间的变异性分为载荷的长期变异性和短期变异性两种趋势。
3.
The results show that in the HAF/silica reinforcing system,when the dosage of silica increases,the dynamic fatigue rupture life of compound is prolonged,the internal potential defect of compound is reduced,the strain energy density at brea is slowed down,the anti-crack growth property is improved.
应用断裂力学的方法,解析和预测了采用高耐磨炭黑与白炭黑并用补强体系的天然橡胶,在疲劳过程中形变能密度的变化,疲劳破坏寿命和断裂特征,建立了数学模型,预测了胶料动态疲劳破坏寿命。
4) fretting fatigue
微动疲劳
1.
Electrospark surface strengthening by Mo electrode and shot peening on improving fretting fatigue resistance of Ti alloy;
Mo电极电火花强化与喷丸复合提高Ti合金微动疲劳抗力
2.
Synergistic improving fretting fatigue resistance of Ti alloy at elevated temperature by duplex surface modification;
复合表面改性协同增强Ti合金高温微动疲劳抗力
3.
Estimating fretting fatigue life based fracture mechanics method;
基于断裂力学方法的微动疲劳寿命估算
5) rolling-tired
滚动疲劳
1.
With micron-Fe_3O_4 and micron-CuO as an intensifier of the nylon 1010,the rolling-tired test of nylon composites was studied.
以我国自主研制的尼龙1010为基体,氧化铁(Fe3O4)和氧化铜(CuO)为增强剂,进行氧化物/尼龙复合材料的滚动疲劳实验,研究氧化物/尼龙复合材料的滚动疲劳机制。
6) exercise-induced fatigue
运动疲劳
1.
Objective To explore the role of subthalamus in exercise-induced fatigue.
目的:探讨底丘脑在运动疲劳的中枢神经调控中的作用。
2.
Objective: The aim of this research is to study the central mechanism of exercise-induced fatigue through the method of neural electrophysiology.
方法:30只健康雄性SD大鼠,随机分为安静对照组(CG)、有氧运动组(AG)和运动疲劳组(FG)。
3.
To investigate BDNF and GFAP expression changes in rats hippocampus and striatum after swimming and discuss the neurobiology mechanism of exercise-induced fatigue,24 rats were divided randomly into CG and EG(0EG,12EG,24EG) and BDNF and GFAP expression changes in hippocampus and striatum were observed using SABC method.
目的观察运动疲劳对大鼠海马和纹状体脑源性神经营养因子(BDNF)及胶质纤维酸性蛋白(GFAP)表达的影响,探讨运动疲劳产生的神经生物学机制。
补充资料：动态疲劳试验机
分子式：
CAS号：
性质：在交变应力或应变作用下，检测材料的破坏或力学性质劣化的仪器。包括拉伸试验机、弯曲试验机和回转梁试验机。有的试验机是在静应力或变形上再加振动。因为使试样破坏需要几百万个周期，所以疲劳试验很费时间；利用动态疲劳试验机，周期变化的应力或应变随着时间的增加而增加，具有缩短试验时间的优点，并且更接近于真实使用条件下的结果。
CAS号：
性质：在交变应力或应变作用下，检测材料的破坏或力学性质劣化的仪器。包括拉伸试验机、弯曲试验机和回转梁试验机。有的试验机是在静应力或变形上再加振动。因为使试样破坏需要几百万个周期，所以疲劳试验很费时间；利用动态疲劳试验机，周期变化的应力或应变随着时间的增加而增加，具有缩短试验时间的优点，并且更接近于真实使用条件下的结果。
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