2) mutative load
交变载荷
1.
This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemical consists and mechanics property of the drill-stem subs,and performs a set of analysis calculation on the mutative load which putting on the drill-stem subs.
推断出转换接头的断裂原因:在使用过程中存在选型不合理,在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在危险截面产生疲劳裂纹,从而导致转换接头疲劳断裂。
2.
This paper contains a detailed experiment analysis on the fracture section characteristic,metallographic organization,chemic consists and mechanics property of a drill pipe and a set of analysis calculation on the mutative load which putting on the drilling pipe.
在弯曲、拉压、扭转、冲击、振动等交变载荷的复合作用下,在钻杆外表面的腐蚀坑底部产生疲劳裂纹,随着裂纹的不断扩展,导致钻杆腐蚀疲劳断裂。
3) Cyclic Loading
交变载荷
1.
Because of the randomness of component chain transmission, this paper introduces the SFEM to the iterative formulas of EFEM under cyclic loading to obtain the random re.
针对复杂的交变载荷,推导了交变载荷下弹塑性随机有限元的迭代格式,迭代格式中,采用运动强化模型反映塑性变形引起的各向异性和包辛格效应,运用Jhansale模型描述材料的瞬态应力应变关系 由于链传动的随机因素,将随机有限元方法引入到交变载荷下弹塑性有限元的迭代格式中,得到局部应力应变的随机响应,为链传动铰链磨损分析提供了更精确的依
2.
The iterative formulas of elastoplastic stochastic finite element method (SFEM) under cyclic loading are deduced and the random responses of local multiaxial stress and strain are calculated.
推导了交变载荷下弹塑性随机有限元的迭代格式,计算了局部多轴应力应变的随机响应。
5) alternating load
交变载荷
1.
The results shows that failure of connecting pipe for vacuum refrigeration system was fatigue break and the pipe had endured horizontal directional alternating load during the sea transportation and the big grain of welding joint.
通过宏观形貌、化学成分、金相、断口电镜扫描等有效手段,对真空冷却系统安全阀及液位计连通管路出现失效的原因进行分析,分析结果表明,接管失效为疲劳断裂所致,海上运输过程中产生的水平方向的交变载荷及焊缝过于粗大的晶粒是产生疲劳失效的主要原因。
6) alternate loading
交变载荷
1.
Research on the Performance of Welding Residual Stress under the Effect of Alternate Loadings;
焊接残余应力场在交变载荷作用下的特性研究
补充资料：高低温交变试验
分子式：
CAS号：
性质：使胶接试样承受规定的高低温周期交变后,测定其胶接性能变化的试验。
CAS号：
性质：使胶接试样承受规定的高低温周期交变后,测定其胶接性能变化的试验。
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