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- The stress concentration near hole is investigated in detail by submodel technique. 获得了圆孔不同分布状态下的应力分布规律和变形状况。
- Results: 51 cases occur retinal hole, among these 14 cases hole edge cocked. 结果:51例出现视网膜裂孔,其中14例裂孔边缘翘起并视网膜平脱离。
- The crack appears at the edge angle due to stress concentration caused by alternating load,which finally leads to the fissuring of die plate. 凹模在使用过程中,由于交变载荷的作用,使碳化物的棱角处应力集中出现裂纹,最终导致凹模开裂。
- The theoretical formulas for thehole edge coefficent of stress concentration in the orthotropic single plate are introduced inthe paper. 文中引用了正交各向异性单向板圆孔边应力集中系数的理论计算式。
- The stress concentration factor (SCF) decreased with the increase of the width of plates when the hole diameter was definite. 结果表明:在开孔尺寸一定的情况下,随著板宽的增大,开孔损伤板的应力集中因数减小;
- The fracture of stuffing box was caused by fatigue, which resulted from the maximum stress concentration on the centripetal border of the oil hole. 结果表明:材料成分和显微组织均符合要求;裂纹起源于输油孔的侧壁;填料盘的失效模式为疲劳失效,内压在填料盘内部输油孔上产生的应力集中导致了填料盘的疲劳失效。
- Deburring As drill removes copper a small copper ridge forms around the hole edge. 去毛刺-钻孔后会在铜箔和孔壁上产生粗糙边。
- Results showed that high stress concentration around the spot weld edge may be the determinable factor for initializing and propagating of the high cycle fatigue crack. 分析结果表明:接头搭接区内表面上焊点边缘处的应力集中是接头高周疲劳裂纹起裂和扩展的决定因素。
- Stress Analysis of Hole Edge in Laminar Plane 层合板的孔边应力分析
- Nishida M. Stress Concentration[M]. Translated by Li Anding. 西田正孝.;应力集中[M]
- The edge stress problem in composite laminates under uniform axial extension is analyzed. 研究复合材料叠层结构在单轴拉伸状态下的边缘应力问题。
- A small hole edged with embroidered stitches as part of a design. 镶边小圆孔用刺绣针法镶边的小洞,作为设计的一部分
- At the bottom there is a drain hole edged with a brass eyelet. 在底部有一个镶了黄铜小孔的排水孔。
- Taking polymerization kettle as an example,the concept of edge stress was introduced into failure analysis of pressure vessels. 以聚合釜为例,对压力容器的边缘应力的概念及其在失效分析中的作用进行了分析。
- The stress concentration appears in the cervix of the osseointegrated implant. 骨性结合种植体模型骨界面上在颈部出现应力集中;
- Analysis for the results consider that the main reason of edge crack is the stress concentration produced by shear bow and barbs on original shearing surface and improper re-working process. 剪切间隙、重叠量调整、剪切温度、剪切力、剪切量等因素都影响钢板的剪切质量。
- Numerical examples are provided to discuss the amplitude of displacement on the surface,as well as the dynamic stress concentration factor(DSCF) around the subsurface cavity and the homocentric hole. 通过理论求解,得出了问题的解析解答,文中最后给出了具体算例,讨论了地表位移幅值、浅埋圆孔及凸起所含圆孔的动应力集中系数。
- Using an approximate analytical method, the explicit expression of stress concentration factors is derived for an eccentric circular hole in a tension orthotropic finite-width strip. 用近似解析方法推导出拉伸正交各向异性有限宽板偏心圆孔的应力集中系数的显式表达式,除了比较极端的情况外,该式的精度较好。
- The modified line contact thus achieved between rollers and raceways means that damaging edge stresses are avoided. 由此达到的滚子和滚道之间改进的线接触意味着破坏性边缘应力得到避免。
- It was proved that there is stress concentration near the hole on holed geotextile by recording the tensile process of the holed geotextile specimen. 通过记录开孔试样的拉伸过程,证实了土工织物孔边附近存在着应力集中现象;