1) fatigue final rupture region
疲劳瞬断区
1.
The physical and mathematical model of radiate rays on fatigue final rupture regions is analyzed.
以金属的疲劳扩展区和瞬断区为对象 ,讨论了应力变化幅度与裂纹临界长度、疲劳寿命和临界裂纹长度的数学模型 ;分析了疲劳瞬断区上放射线的物理数学模型 ,探讨了疲劳瞬断的性质和控制参量以及疲劳瞬断区的对称性 ,得到了一些颇有启发性的结果 ,为金属材料的疲劳宏观断口定量分析提供了有价值的思
2) fatigue fracture
疲劳断裂
1.
Calculating method of reliability on anti fatigue fracture of weld;
焊缝材料抗疲劳断裂的可靠性计算方法
2.
An Analysis on Fatigue Fracture of Oil-Suck-Rod of Non- Quenching and Tempering Steel;
非调质钢抽油杆疲劳断裂的分析
3.
The causes of fatigue fracture of cage in high speed ball bearing;
高速球轴承保持架疲劳断裂原因分析
3) fatigue fracture
疲劳断口
1.
Fatigue Fracture Morphology and Crack Propagation Mechanism of Die Cast AZ91 Alloy;
压铸态AZ91镁合金疲劳断口组织与裂纹扩展机制
2.
On the base of the fatigue small cracks growth test in TA6V titanium alloy,the fatigue fracture of TA6V titanium alloy SENT specimen is analyzed.
在进行TA6V钛合金疲劳小裂纹实验的基础上,使用KYKY2800B型扫描电镜(SEM)对TA6V钛合金疲劳断口形貌进行疲劳源区及其裂纹扩展形状、扩展区、瞬断区形貌的观察,分析TA6V钛合金疲劳断口形貌形成的原因,为其结构疲劳安全设计及可靠性分析提供科学依据,为今后TA6V钛合金在我国的使用提供参考。
3.
Influence of rare earth elements on high-cycle fatigue properties of AZ91D alloy was investigated and the fatigue fracture morphology was also analyzed.
研究了稀土元素对AZ91D压铸镁合金高周疲劳性能的影响,并对疲劳断口的组织形貌进行了分析。
4) fatigue crack
疲劳断裂
1.
The producing of fatigue cracks and fracture in the ultrafine-grained(UFG) and coarse grained(CG) Cu-0.
6Cr合金的驻留滑移带非常杂乱,超细晶铜铬合金的剪切带沿着ECAP最后一道次剪切面发展,沿着ECAP最后一道次剪切面发展的剪切带在疲劳断裂初期和早期的裂纹增殖中起着决定性作用。
2.
From these responses,the fatigue crack cycle life of road was calculated.
为研究公路车辆对道路的破坏性,采用功能化虚拟样机(Functional Virtual Prototype)技术,基于多体系统动力学理论建立车辆系统的功能化虚拟样机,通过仿真得到车辆对道路的动态作用力;采用有限元方法(FEM)进行道路响应的研究,继而进行道路的疲劳断裂分析。
5) fatigue failure
疲劳断裂
1.
The analysis result indicates that the property of the piston failure is fatigue failure and the failure initiation is the cutting trace on the root face of the U trough.
采用扫描电镜等手段分析了断裂活塞，结果表明活塞断裂的性质属于疲劳断裂。
2.
By analysis of the forces acting on the up and the down roller axles of the pinch roller,the cause of the up roller axle fatigue failure but the down roller axle not was found out and the improvement method was given on condition that the material and making process of the up and the down roller axles were sam
通过对送料机夹送辊上、下辊轴的受力分析，找出了在上、下辊轴材料和加工工艺相同条件下，上辊轴发生疲劳断裂，而下辊轴不发生疲劳断裂的原因，并提出解决措施。
3.
Earlier fatigue failure phenomenon of SOFIM Engine connecting rod bolt is concentrated on in this paper.
针对SOFIM连杆螺栓出现的早期疲劳断裂现象,建立了连杆螺栓的有限元模型,利用ANSYS软件对该连杆螺栓进行了有限元分析,并与疲劳试验结果进行了对比,吻合较好。
6) fatigue failure
疲劳折断
1.
This paper,based on the main and failure types of cold blunt mold,such as cotlapsing,worn-away and splitting,studies the durability of fatigue failure of punches.
基于崩刃、刃口磨损、断裂等冷冲模的主要失效形式,探讨了冷冲凸模的疲劳折断耐用度,并提出了提高其耐用度的几种措施。
2.
This paper studied the durability of fatigue failure of complex shapethin-walled carbide punches.
研究了复杂外形薄壁硬质合金凸模的疲劳折断耐用度，提出了预测这种凸模受载次数的推荐公式。
补充资料：HⅡ区和HⅠ区
见电离氢区和中性氢区。
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