1) 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
2) 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。
3) 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)。
4) double crack tip
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。
5) dynamic crack tip
动裂纹尖端
1.
Study on property of dynamic crack tip in infinitely long plate;
无限长条板中动裂纹尖端的特性
6) crack tip field
裂纹尖端场
1.
Study of a new singular finite element in crack tip field;
裂纹尖端场一种新的奇异元研究
2.
The result of this paper revealed then important role of viscosity for crack tip field.
结果揭示了粘性对裂纹尖端场的作
3.
By dividing the crack tip field into shrinking and expanding regions, the asymptotic equations for the crack tip field are derived and solved.
采用完全非线性弹性理论，研究了两类不可压缩材料形成的界面裂纹尖端场。
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