1) crack tip radius
![点击朗读](/dictall/images/read.gif)
裂纹尖端半径
2) crack tip
![点击朗读](/dictall/images/read.gif)
裂纹尖端
1.
Damage analysis of crack tip zone in metal sheets;
![点击朗读](/dictall/images/read.gif)
金属板材中裂纹尖端区的损伤分析
2.
Research of crack tip damage for metals material;
![点击朗读](/dictall/images/read.gif)
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;
![点击朗读](/dictall/images/read.gif)
导电薄板内裂纹尖端区域的电磁应力
3) crack-tip
![点击朗读](/dictall/images/read.gif)
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.
![点击朗读](/dictall/images/read.gif)
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。
4) Tip Radius
![点击朗读](/dictall/images/read.gif)
尖端半径
1.
The primary dendritic/cellular spacing,tip radius and tip temperature have been measured as a function of growth velocity.
48%水杨酸苯酯(Salol)(质量分数)进行恒速定向凝固实验,考察了一次间距、尖端半径和尖端温度随凝固生长速度变化的规律。
2.
The transition from cellular to dendrite was obtained at the spindle of tip radius by comparing experimental and theoretical study on Al-4%Cu alloy during directional solidification.
通过实验和理论对比研究Al-4%(质量分数)Cu合金定向凝固胞晶/枝晶转变过程,得到胞晶/枝晶转变发生在尖端半径变化的拐点处。
5) crack-tip field
![点击朗读](/dictall/images/read.gif)
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)。
6) double crack tip
![点击朗读](/dictall/images/read.gif)
双裂纹尖端
1.
Setting the Pingyin yellow river Bridge as research objects,in this article we use the steel truss bridge fine fracture mechanics anatomic model including the double crack tip.
以平阴黄河大桥为研究对象,采用含双裂纹尖端的钢桁架桥精细断裂力学分析模型,在与单裂尖同样的结构系统和外荷载作用下,并施以同样的循环荷载次数和扩展规则模拟其扩展过程,研究双裂纹尖端的三轴应力场、J积分和扩展速率,并与单裂尖的对应值进行比较。
补充资料:裂纹尖端张开位移
分子式:
CAS号:
性质:在外载荷的作用下,裂纹尖端两表面间的张开位移。用符号δ表示。由于在弹塑性条件下,已得到δ与工作应力σ(或应变ε)以及裂纹尺寸a(裂纹的半长)之间的关系,因此它是弹塑性断裂力学中的一个重要参量。
CAS号:
性质:在外载荷的作用下,裂纹尖端两表面间的张开位移。用符号δ表示。由于在弹塑性条件下,已得到δ与工作应力σ(或应变ε)以及裂纹尺寸a(裂纹的半长)之间的关系,因此它是弹塑性断裂力学中的一个重要参量。
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