All of these tests are used to detect surface crack discontinuities.
所有这些测试是用来检测表面裂缝不连续性。
The surface crack fracture toughness KIe of D406A steel were tested.
测定了D406A钢表面裂纹断裂韧度。
Subsurface inclusion is one of the reasons causing surface crack of rolled steel.
皮下夹杂是造成表面裂纹的原因之一。
The crack occured in silica brick generally includes surface crack and layer crack.
硅砖中裂纹包括表面裂纹和层裂。
Then the K resemble theory was used to translate the surface crack to middle through crack.
并利用K相似原理，把表面裂纹问题转换为中心贯穿裂纹问题；
Studied the reason and the countermeasure of longitudinal surface crack of Ma-Steel beam blank.
研究了马钢连铸异型坯表面纵裂纹的成因和对应措施。
Because the observation of interior crack is not always available, this paper laid emphasis on surface crack of segments.
由于管片内部裂缝观测难以实现，故重点研究了表面裂缝的影响。
This article recommends a local noncontact method to remedy the surface crack on the backup roll of the hot rolling mill.
本文介绍了用局部不接触法修复轧机支承辊表面裂纹的方法。
The work mentioned above is helpful to understand width effects and evaluate surface crack with different width and depth.
上述工作有助于全面认识宽度对漏磁场的作用，实现不同宽度、深度的表面裂纹量化检测。
The longitudinal surface crack on thin slab is a serious quality defect at thin slab continuous casting and rolling process.
薄板坯表面纵裂是连铸连轧生产线上的严重质量缺陷。
The relation between surface crack space and strata displacement is presented to offer guidelines to water inflow prediction.
建立地层开裂与变形的对应关系，为突水事故的预测预报提供了依据；
Calculated results show that this relationship can be successfully used to describe the fracture behavior of surface crack problems.
一些半椭圆表面裂纹问题的计算表明本文给出的关系式简单、有效。
The progress in research of crack for tube bloom is overiewed , The main factors affecting surface crack of tube bloom are analyzed.
综述了管坯钢表面裂纹研究的进展，分析了影响管坯钢表面裂纹的主要因素。
It is obtained that the SIF increases with the length of the surface crack or the reflective crack enlarging in the asphalt pavement.
得出了含表面裂缝和反射裂缝路面体的应力强度因子均随着裂缝长度的增加逐渐增大。
The slab surface crack occurred in the process is analysed, and the improving measures are put forward. The good effects have been obtained.
对生产中出现的表面裂纹进行分析研究，提出改进措施，取得较好的效果。
In view of the reasons of surface crack and inclined fracture during drawing process and how to reduce fracture rate, some Suggestions are put forward.
针对拉拔过程中出现表面裂纹、发生斜杈状断裂的原因以及怎样减少断丝率，提出了一些建议。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses were given out.
给出了高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
The result show that the size of equivalent initial surface crack is less than 19.7to 22.5 percent of surface corrosion pit size which have the same life.
结果发现，把腐蚀坑等效为具有相同寿命的表面裂纹时，等效表面裂纹的尺寸比对应腐蚀的尺寸小19.7% - 22.5%。
By means of numerical calculation, the rules of J-Integral values varied with the length and depth of the inner surface crack of gun barrel were obtained.
通过数值计算，得出了身管内表面裂纹J积分值随裂纹长度及深度的变化规律。
The formulae for calculating SIF and fatigue life of surface crack at weld toe of the high-strength steel under the combination stresses have been presented.
给出高强钢焊趾表面裂纹在压弯组合应力下应力强度因子及其疲劳寿命计算式。
According to his engineering experience the author states the factors that can affect concrete road surface crack and puts forward relevant control measures.
笔者依据工程实践，论述了道路混凝土路面裂缝的诸多因素，并提出了相应的控制措施。
The SIF decreases with the friction coefficient rising when the surface crack tip lies in the base and the reflective crack length is more than a certain value.
反射裂缝裂尖位于面层中且裂缝长度大于某一值时，应力强度因子随着摩擦系数的增加而减小。
The shallow surface crack fracture toughness was tested, and the fracture toughness probability distribution between the deep and shallow surface cracks was compared.
测试了浅表面裂纹的断裂韧度，比较了深、浅表面裂纹的断裂韧度概率分布。
Under the excitation of harmonic force the vibrational power flow characteristics of plate with a surface crack are investigated from the view of structure-borne sound.
从结构噪声的观点研究了在简谐力作用下含有表面裂纹板的振动功率流特性。
Through mechanical test and chemical analysis and technological experiment of the cracked cap nut, it was concluded that the short size of nut blank caused surface crack.
对开裂杯形螺母的力学性能和化学成分进行了检验分析，并进行了工艺试验。结果表明，毛坯尺寸偏短是造成开裂的主要原因。
The wave propagation and power flow characteristics of a shell-type pipe with circumferential surface crack are investigated and the method for crack detection is proposed.
研究在外力激励下含有环向表面裂纹损伤的壳式管道的波传播与功率流特性，并给出裂纹识别方法。
Based on the underground of high efficient CC in Ma 'steel, the longitudinal surface crack and centerline crack, the uppermost defects of beam blank CC production are studied.
针对马钢异型坯高效连铸的背景，分析了异型坯生产中铸坯质量的主要缺陷类型：表面纵裂和中心裂纹。
For surface crack in pipe, this paper presents the finite element model including line spring element that is used for J integration calculation, as well as numerical examples.
对管道上的表面裂纹采用线弹簧单元，建立了裂纹管道J积分计算的有限元模型，给出了J积分的计算实例。
At the same time, the surface crack repair method of crack treating, grouting filling embedded block and structural concrete reinforcement and displacement methods are proposed.
同时，提出裂缝处理的表面修补方法、灌浆嵌缝封堵法、结构加固法和混凝土置换法。
The residual deleterious elements in steel lead to products occurring red brittleness surface crack and temper brittleness, and lead to hot strength of heat resistant steel decreasing.
钢中的残余有害元素致使钢材产生红脆性表面裂纹和具有回火脆性倾向，并使耐热钢的热强性降低。
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