1) tip-splitting
尖端分裂
2) crack tip
裂纹尖端
1.
Damage analysis of crack tip zone in metal sheets;
金属板材中裂纹尖端区的损伤分析
2.
Research of crack tip damage for metals material;
金属材料裂纹尖端损伤研究
3.
The electromagnetic stress on the crack tip in metal plate with strong current;
导电薄板内裂纹尖端区域的电磁应力
3) Tip Splitting
尖端开裂
1.
Dendrite tip splitting and primary spacing adjustment mechanism of Al-Cu alloy during directional solidification;
Al-Cu合金定向凝固枝晶尖端开裂及间距调整机制
4) crack-tip
裂纹尖端
1.
Laser speckle interferometry was applied to obtain full field crack-tip displacements of steel fiber reinforced concrete specimens subjected to 3-point bending.
５％的钢纤混凝土三点弯曲裂纹试件的裂纹尖端位移场进行了测试，并换算为应变场。
2.
It is considered that the crack-tip lies on the interface of two phases media.
考察裂纹尖端位于两相介质界面的情况。
3.
The strain fields in damage zone around crack-tip are measured for differ- ent strain hardening exponent material specimens with double edge cracks using digital speckle correlation technique.
本文用数字散斑相关方法测量了五种不同幂硬化指数韧性金属材料(铝和铜),双边裂纹尖端细观区域内应变场。
5) crack tip
裂缝尖端
1.
The fracture energy,the crack mouth opening displacement and the crack tip opening displacement of the specimens were also measured.
为了研究聚丙烯纤维对水泥稳定碎石断裂韧性的影响,通过聚丙烯纤维水泥稳定碎石和普通水泥稳定碎石的三点弯曲试件断裂试验,测得了试件的断裂能、裂缝嘴张开位移和裂缝尖端张开位移,给出了聚丙烯纤维体积掺量的合理范围——0。
2.
Among other things the important hypothesis that supports the model theory is that the net stress intensity factor of crack tip equals 0.
其中支持该理论的重要假设是断裂裂缝尖端净应力强度因子=0。
6) crack-tip field
裂纹尖端场
1.
To investigate the propagating crack-tip field under viscose effect,under the assumption that the artificial viscosity coefficient at the propagating crack tip is in inverse proportion to the power of the plastic strain rate,a rate-sensitive constitutive relationship is derived for elastic-perfectly-plastic materials.
为了研究粘性效应作用下的扩展裂纹尖端场,假设扩展裂纹尖端的人工粘性系数与塑性应变率的幂次成反比,推导出理想弹塑性材料的一种率敏感型本构关系。
2.
The numerical calculation results indicate that the hardening coefficient dominates the structure of crack-tip field but the secondary plastic zon.
采用弹粘塑性力学模型,对蠕变材料中Ⅲ型准静态扩展裂纹尖端场进行了渐近分析。
3.
It is shown that in stable creep growing stage, elastic-deformation and visco-deformation are equally dominant in the crack-tip field, and the stress and strain have the same singulari.
为了研究黏性效应作用下的界面动态扩展裂纹尖端渐近场,建立了刚性-粘弹性材料界面II型动态扩展裂纹的力学模型;在稳态蠕变阶段,弹性变形和粘性变形同时在裂纹尖端场中占主导地位,应力和应变具有相同的奇异量级,即(σ,ε)∝r-1(n-1)。
补充资料：尖端放电
| 尖端放电 point discharge 带电导体尖端附近空气中的放电现象。静电平衡时，带电导体外附近的场强与导体的面电荷密度成正比。大致说来，导体表现凸出而尖锐的地方，即曲率较大的尖端，电荷密集，面电荷密度增大，附近的场强特别强，致使空气电离，产生放电现象。尖端放电时，在它周围往往隐隐地笼罩着一层光晕，叫做电晕。高压输电线附近发生的尖端放电会造成能量损耗，需使输电线表面光滑，以避免尖端放电。避雷针则利用尖端放电，将集中的高空电荷通过接地装置泄入大地，以免建筑物等遭雷击。 |
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参考词条