1) bending fatigue fracture
弯曲疲劳断裂
1.
The results show that the break of gear belongs to bending fatigue fracture,the main bolt fracture bears from the root of gear teeth nearby transmission shaft,and the teeth break was caused by the bias load of the gear,the process was accelerated because of .
以上试验结果表明,轮齿为典型的弯曲疲劳断裂,裂纹起源于加载侧轮齿根部圆角表面处且靠近传动轴侧。
2) vertical bending fatigue fracture
垂直弯曲疲劳断裂
1.
This paper analyses the reasons of vertical bending fatigue fracture of welding a model 7t driven rear axle assembly,and introduces how to reduce the stress concentration of rear axle assembly,enhence fatigue life of welding joints,stop the producing of fratigue fracture,enhence its fatigue life.
分析了某种车型焊接7T驱动后桥总成垂直弯曲疲劳断裂的原因,详细介绍了如何降低车桥的应力集中,提高焊缝接头疲劳寿命,杜绝疲劳断裂的产生,提高其疲劳寿命。
3) crank shaft fatigue fracture
曲轴疲劳断裂
4) Bending Fatigue
弯曲疲劳
1.
Effects of Drawing Velocity on Grain Growth and Bending Fatigue of CuAlNi Shape Memory Alloy with Column Crystal in Heat Mould Continuous Casting;
连铸速度对CUALNI记忆合金晶粒长大及弯曲疲劳的影响
2.
Effect of Surface Defects on Bending Fatigue Behavior of High Strength Spring Steel;
表面缺陷对高强度弹簧钢弯曲疲劳性能的影响
3.
Study on the designing method of bending fatigue in gears those bear loading on both sides;
双面受载齿轮弯曲疲劳设计方法研究
5) flexural fatigue
弯曲疲劳
1.
Influence of dosages of ground granulated blast-furnace slag and fly ash on flexural fatigue performance of concrete;
磨细矿渣和粉煤灰掺量对混凝土弯曲疲劳性能的影响
2.
Investigation flexural fatigue behavior of steel fiber reinforced concrete for pavement surface stratum under cyclic load;
循环荷载下路面用钢纤维混凝土的弯曲疲劳研究
6) bend fatigue
弯曲疲劳
1.
The contact fatigue and bend fatigue property of four kinds of carburizing steels .
用滚轮试样和三点弯曲试样研究了20CrMnTi、20CrMnMo、17Cr2Ni2Mo和20Cr2Ni4A四种渗碳钢的接触疲劳住能和弯曲疲劳性能。
2.
Several processes were screened out,and gear contact fatigue, bend fatigue and adhesion tests were conducted.
对分别经11种低温化学热处理试样的渗层进行了Falex抗咬合试验和JPM接触疲劳快速试验，筛选几种工艺进行了齿轮的接触疲劳、弯曲疲劳及胶合试验，取得了一些实用数据。
补充资料：弯曲疲劳
分子式：
CAS号：
性质：又称屈挠疲劳。材料在交变弯曲应力作用下发生损伤乃至断裂的过程。在疲劳初期，内部结构将发生改变，接着出现疲劳裂纹的成核和扩展，当疲劳裂纹失稳扩展时就导致疲劳断裂。在作弯曲疲劳试验时，按控制变量，可分为应力疲劳和应变疲劳两类。应力疲劳时，应力幅值恒定在一较低值，加载的频率高，断裂周次也高；应变疲劳时，应力幅值恒定在较高值，加载频率低，断裂周次也低。弯曲疲劳是工程实际中经常会发生的问题，弯曲疲劳试验也是材料疲劳试验方法中比较成熟的一种方法。
CAS号：
性质：又称屈挠疲劳。材料在交变弯曲应力作用下发生损伤乃至断裂的过程。在疲劳初期，内部结构将发生改变，接着出现疲劳裂纹的成核和扩展，当疲劳裂纹失稳扩展时就导致疲劳断裂。在作弯曲疲劳试验时，按控制变量，可分为应力疲劳和应变疲劳两类。应力疲劳时，应力幅值恒定在一较低值，加载的频率高，断裂周次也高；应变疲劳时，应力幅值恒定在较高值，加载频率低，断裂周次也低。弯曲疲劳是工程实际中经常会发生的问题，弯曲疲劳试验也是材料疲劳试验方法中比较成熟的一种方法。
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