surface crack的例句大全

a crack initiates from the surface firstly, then propagates in the direction parallel to the interface owing to its shielding effect as it approaches the interface between lining layer and nickel layer.

分析表明：裂纹首先自摩擦层表面向里发展，当裂纹不断扩展到达摩擦层与镍栅层的结合面附近时，由于结合面的屏蔽效应转向沿与结合面平行方向扩展；

Failure Analysis on Surface Black Spot and Crack of Sponge Clamp

海绵钳表面黑斑及开裂失效分析

In the numerical method the displacement discontinuity of crack surface is approximated with the product of the fundamental density function and polynomials.

通过将裂纹面上的位移间断函数表示为特征函数和一组多项式乘积的形式，建立了一种新型的高精度数值解法。

Rock failure can also be seen as a process of their internal structure surface formation and reconstruction, the micro-crack initiate, macro-crack formate, structure surface slide along the contact surface in this process.

岩石破坏过程也可看成是其内部结构面形成、重构的过程，在这个过程中，微裂纹萌生、宏观裂纹形成、结构面贯通及沿接触面滑移等现象交织在一起。

The Critical Loading Surface of a Crack under Impact

裂纹在冲击载荷作用下起裂的临界载荷面

In the paper, Based on the theory of compound crack and fracture mechanics and surface liner cracks of drill string often occurring in process of production and application, a fatigue life model of drill string under the interaction of torsion and axial vibration is established.

根据复合型裂纹扩展理论和断裂力学方法，以及钻柱在生产和应用中的表面线性裂纹现象，提出了钻柱在扭转、纵向振动下的疲劳寿命计算模型。

Columnar grain boundaries crack in tensile fatiguing, which tends to stop the propagation of fatigue cracks, and decreases the sensitivity of fatigue to surface defects, thus beneficial to tensile fatigue life.

疲劳拉伸中柱晶晶界开裂，阻隔了疲劳裂纹扩展，降低了疲劳裂纹对表面缺陷的敏感性，有利于提高疲劳寿命。

According to the grassroots level temperature contraction principle, the base crack analysis model is created. Asphalt surface of unpaved cases, from summer to winter, calculate gravel base of the average crack spacing.

根据基层的温度收缩原理，计算未铺筑沥青面层情况下，水泥稳定砂砾基层经历从夏季到冬季的降温过程后产生裂缝的平均裂缝间距。

Clinker kiln of Shanxi branch of China Alumin Industry Group, which scale is 4.5 m × 110 m, has run for ten years, surface of each supporting ring has been flaked off and has crack on it.

中国铝业山西分公司4.5m×110m熟料窑，经10多年的使用，其各档领圈均存在一定程度的表面剥落或裂纹损伤。

The effect of the distance from the loading location to the crack surface on mode-ⅱ failure mechanism of concrete specimen is studied.

分析了加载点与裂纹面的距离对Ⅱ型断裂性能的影响。

Clear evidence of new surface faulting caused by the Gengma earthquake includes a series of relatively continuous north-northwest-trending linear ground crack zones and a 5 km long section of fault scarps.

耿马地震地表断裂活动的明显证据包括一系列北北西走向的地裂缝带和一段长约5km的地震断层陡坎。

The Studies on Evaluation of Ground Surface Mechanical Damage of Ceramic and Grinding Based on Crack Damage Control

陶瓷磨削表面力学损伤评价及裂纹损伤可控磨削研究

relationship between surface length and inside length of fatigue crack in ultra-high strength steel

航空用超高强度钢疲劳裂纹表面长度与内部长度之间的关系

Study on Supervision System for Surface Fatigue Crack

表面疲劳裂纹监测系统研制

sem images show that, unlike to the "mud crack" surface of ti/ sno_2-sb_2o_3 electrode made by thermal decomposition, the surface of ti/ pbo_2 electrode made by electrodeposition appears diamond cubic structure.

电镜照片表明，与热分解制备的Ti/SnO2-Sb2O3电极表面呈泥裂状不同，电沉积Ti/PbO2电极表面呈典型金刚石型结构；

ultraviolet absorber agent and pigment reduced fade and crack on the surface of rh/ hdpe composites, reduced the loss of bending performance, and delayed the occurrence of oxidation in composites.

紫外线吸收剂和颜料在一定程度上能够减少RH/HDPE复合材料表面褪色和裂纹的产生，减小弯曲性能的损失，延迟复合材料表面氧化的发生。

With tensile round rob as a typical instance, the three-dimensional geometry effects and its characteristics of surface fatigue crack propagation are discussed and investigated.

以拉伸圆杆为例，阐述表面疲劳裂纹扩展中的三维效应及其特点。

It should be homogeneous in structure, with smooth surface, without the crack, airbubble, flatted, mechanical damage scratch, knife mark and so on.

质地均匀、外观平整、表面光滑，无裂纹、气泡、分层，没有影响使用的机械损伤、刀痕等缺陷。

If the crack is far from the free surface, the equations reduce to hyper-singular integral equations in infinite elastic solids.

如果裂纹离自由面的距离很远，该方程组便可退化为无限空间弹性体中三维平片裂纹的超奇异积分方程组。