Reflective crack caused surface cracking, spalling, surface water infiltrating along the seam, so that the road was damaged.
反射裂缝导致面层开裂、剥落，路面水沿裂缝下渗，使路面发生损坏。
It puts forward a conception of weld inclusions crack index so as to better control quality of weld seam.
为了更好地控制焊缝质量，提出了焊缝夹杂物裂纹指数的概念。
The hole has the pore and the small hole, the seam has the tiny crack and the dynamic change obvious seam obviously.
孔有毛细孔和可见小孔洞，缝有微细裂纹和动态变化的可见缝。
The welding method used was a PC-GMAW process with mixture gases shielding. Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接方法为脉冲熔化极混合气体保护焊，焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
Analyses the cause for the crack resulting from the non-fusion in the longitudinal weld seam of a power plant boiler cylinder, and suggests corrective actions to eliminate the defect.
针对一台电站锅炉锅筒纵焊缝未融合引起的裂纹进行分析，并提出缺陷修复的办法。
The results showed that nonmetallic inclusions in weld seam served as crack initiation site under external bend load, and large amount of m a structure resulted in cleavage fracture of weld seam.
结果表明，焊缝金属中存在的非金属夹杂物，在低应力作用下形成微裂纹成为裂源，加之焊缝组织中存在大量的MA结构群，从而发生焊缝金属在室温下的解理断裂。
In fact, not all crack problems have to find the reasons for the United States seam agent!
其实不然，并不是所有的开裂问题都要去找美缝剂的原因！
At last, the fatigue crack in the experiment and the main influential factor of fatigue strength of fillet welding seam was studied.
最后，对疲劳试验中有关裂纹以及影响焊缝疲劳强度的主要原因进行了探讨。
The paper briefly analyses the main cause of crack of welding seam on an evaporation tank and proposes the precautionary measures for preventing such kind of accident on pressure vessels.
简要分析了一台蒸发罐发生焊缝开裂的主要原因，提出防止此类压力容器事故的预防措施。
Central crack for the welded plate was located in the fusion zone between welding seam and heat-affected zone.
焊接板的中心裂纹处于焊缝与热影响区之间的熔合区。
The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.
煤层中的裂隙分两种，即外生裂隙和内生裂隙。
On the basis of summarizing testing effects, the extension of crack and the breaking mechanism of top coal caving in steep seam have been analyzed by applying fracture mechanics theory.
在总结现场试验效果的基础上，应用断裂力学理论分析了急倾斜煤层巷道放顶煤顶煤破断裂纹的扩展和破碎机理。
Through the situation of slight crack of brazing seam is verified to high-handed pipe. Decision adopts and join by welding near dig the method built up and carry on renovate.
通过对高压导管焊缝裂纹的情况核实，决定采用焊接挖补的方法进行修复。
The results show that the partial unmelted region, casting defect structure and secondary crack form in the welding seam, which result in the low stress breakage of the samples.
结果表明：在焊缝区域内存在着局部未熔区以及铸造疏松组织和二次裂纹等缺陷，这是导致试样低应力断裂的根本原因。
Fatigue beaked on weld seam more than other places. Fatigue crack initiation occurred inside materials and fatigue fracture was analyzed by SEM.
疲劳试验发现，疲劳试样断裂位置多发生在焊缝处，并对疲劳断口进行了SEM分析。
According to the problem that the welding seam of the main winch drum structure is easy to crack, this article analyzes the cause and puts forward efficient measures of reducing it's ouurrence.
根据主井绞车滚筒结构的开焊情况，分析了开焊的因素，提出了减少开焊的措施。
The crack scale is small, the inclination Angle is big, sews the wall common few calcite backfill, has the support function to the seam wall.
裂缝规模小，倾角大，缝壁常有少量方解石充填，对缝壁有支撑作用。
The striation spacing in heat affect zone and welded seam samples was wider than that in matrix sample, this shows that fatigue crack propagation...
焊缝区和热影响区试样的辉纹间距较基体区的大，说明裂纹扩展速率快，焊缝和热影响区的抗裂纹扩展性较基体差。
The striation spacing in heat affect zone and welded seam samples was wider than that in matrix sample, this shows that fatigue crack propagation...
焊缝区和热影响区试样的辉纹间距较基体区的大，说明裂纹扩展速率快，焊缝和热影响区的抗裂纹扩展性较基体差。
应用推荐