结果表明，非弹性体积应变与微裂纹数量直接相关。
It shows that unelastic volumetric strain is directly prepositional to the number of micro-cracks.
这些构造部位的频繁伸缩使应力集中，导致微裂纹的产生。
Constant flexing of the structure concentrates stress, which leads to microscopic cracks.
熔合线凹入处的局部条件直接影响微裂纹的形成。
The formation of these microcracks is closely related to local conditions of the Tusion line concavities.
介绍了一种用于岩石材料微裂纹观察的复型技术。
A special surface replica technique for microcrack observation of rocks is introduced.
有一种合理的解释是说腐蚀能够去掉并钝化微裂纹。
One reasonable explanation is that etching removes and blunts microcracks.
低喷丸强度试件表面微裂纹大量萌生，密度非常高。
Crack initiation life is much longer than those of low shot peening pressure.
证实了位错塞积的存在及其对微裂纹形核的促进作用。
This verifies the existence of dislocation pile-up and its stimulation to the nucleation of microcracks.
冰内部的微裂纹行为是解释与描述冰致自激振动的关键要素。
The micro crack behavior in ice is the key factor for describing and explaining ice-induced self-excited vibration.
结果表明：裂尖的几何形状对微裂纹圆柱化时间起决定性作用；
The results show that the cylinderization time depends sensitively on the initial morphology of the microcrack tip.
相对于其他固体，我们的骨骼可以通过修复和重塑去除微裂纹。
As opposed to other solids, however, bone removes the micro-cracks by repair and remodelling.
玉米籽粒内部生来就有许多微裂纹，构成胚乳内众多的微毛细管。
There are many tiny cracks inside the seed by nature, and which constitute numerous tiny capillaries inside the endosperm.
解理的临界事件是由启裂的第二相尺寸的微裂纹向周围基体的扩展。
The critical event of cleavage is the propagation of a second phase particle-sized microcrack into the neighboring matrix.
论文的第二部分对微裂纹的形核机理及扩展机理进行了详细的阐述。
In second chapter, the mechanisms of crack nucleation and propagation are explained in detailed.
根据建筑工程实践，分析室内微裂纹现象和产生原因，提出防治措施。
Under construction practices, analyzes phenomenon and causes of indoor micro-cracks, and proposes solutions to prevention and control.
岩石是充满随机分布的微裂纹的介质，其数目及尺寸服从一定的分布。
Rocks are mediums of full randomly distributed cracks, their number and sizes follow definite distributions statistically.
由于钢锭内部不可避免地存在偏析、疏松、缩孔及微裂纹等冶金缺陷。
Owing to both physical and chemical properties of metal material, there are inevitably shrinkage cavities, porosity and segregation in ingots.
因此，成簇形状（内置微裂纹）可吸收压力一致预防小的裂缝和大的碎裂。
Therefore, "tufts" — built-in micro cracks — absorb pressure in unison to prevent splits and major fractures.
通过解析和数值的方法研究了二维微裂纹体有效模量和有效导电系数之间的关联。
The correlation between of the effective modulus and the effective electrical conductivity for planar materials with microcracks are investigated by numerical and Mori-Tanaka's theoretical methods.
首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。
A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
实验还观察到砂岩表面微缺陷发生闭合的全过程，在冷却过程也有微裂纹形成等现象。
Also a closing course of initial crack and thermal cracking coming into being in the cooling process are observed in our experiment.
结果表明第二相粒子对位错的阻塞作用是造成微裂纹产生和材料最终失稳的主要原因。
The research results show that the blocking of second phase to dislocation is the main reason to cause microcracking and final instability of the material.
结果表明荧光显示部位存在明显的显微疏松，榫头处有清晰的磨削痕迹，局部有微裂纹。
The results show that there was obvious microporosity at the positions indicated by fluorescence, and clear grinding traces and some local microcracks were found at the dovetails.
结果表明，原材料存在浅表面微裂纹、夹杂气孔等冶金缺陷是导致裂纹产生的主要原因。
The result indicates that the surface light crackle and inclusion air hole est. metallurgy shortcomings are the main reason of causing crackle.
双态组织的断裂应力随加载速度的上升而增加，微裂纹面密度随加载速度的增加明显下降；
The fracture stress of DP microstructure increased with the increase of displacement speed, and the microcrack density increased with the decrease of displacement speed.
铸态组织中存在不同位向的孪晶，大孪晶中有许多平行的二次孪晶，沿孪晶界诱发微裂纹；
There are different direction twins in its casting structures, and parallel second twins emerge in one big twin where micro cracks appear along twin boundary.
高于阈值温度后，影响岩石渗透率和孔隙度变化的主要机理是早期产生的微裂纹宽度增加。
When temperature is higher than the threshold, the main change of permeability and porosity was resulted from the increment of micro-fissure width.
本文研究简单的共线微裂纹构型，确定由于微裂纹长度和韧度尺寸的统计分布所产生的影响。
The present paper focuses on the simple case of collinear microcracks, and quantifies the influence by the statistical distribution of crack lengths and ligament sizes.
此外，喷瓷管道焊接热影响区的金属基体将由于喷瓷过程中渗入的固溶氮而产生大量微裂纹。
In addition, the metal body within welding heat effect zone will produce a lot of micro-cracks because of infiltration of solid solution nitrogen in course of porcelain spraying.
结果表明：等离子喷涂硅灰石涂层具有粗糙的表面和层状结构，涂层内部存在一些气孔和微裂纹。
The results indicate that the plasma sprayed wollastonite coating has a rough surface and lamellar structure including some pores and microcracks.
当与其它界面相接触时，玻璃的表面就会产生微裂纹，即使是水蒸汽或者二氧化碳也会带来微裂纹。
Tiny cracks begin to form through contact with other surfaces, or even with water vapor and carbon dioxide.
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