The results show that the steel has low weld cold crack sensitivity.
结果表明,该钢具备低的冷裂纹敏感性。
The results suggested that the steel has low weld cold crack sensitivity.
结果表明,该钢具备较低的冷裂纹敏感性。
When the gap of butt joint increases, cold crack rate gradually decreases.
随着接头间隙的增大,裂纹率逐渐减少。
The results show that the steel JB800 has low weld cold crack sensitivity, despite it has high carbon equivalent.
结果表明,钢材的碳含量低时,可以在较高的碳当量条件下,具有较低的冷裂纹敏感性。
WDL is a certain steel which has lower sensitivity to weld cold crack and need not or a little warm-up before weld.
国产WDL钢种是一种对焊接冷裂纹敏感性低、焊接前不要预热或稍加预热而不产生焊接冷裂纹的钢板。
It was considered that transverse cold cracking on surface due to cold shuts in ingots was the root cause of the crack defects.
指出铸锭中的冷隔形成的表层横向冷裂纹是最终形成裂纹缺陷的根本原因。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off , of produced gas hole and cold crack.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
During the manufacture of oil derrick, such factors as welding defects, deforming and cold crack have key effect on the oil derrick quality.
在井架的制造过程中,焊接缺陷、焊接变形和焊接冷裂纹是影响井架质量的关键因素。
Used for welding low-alloy and high strength steel with corresponding strength. It has excellent welding technology and cold crack resistance.
扩散氢含量低,低温冲击性能优异,适用于低温钢、中碳钢等压力容器的焊接。
And analyzes the reason and forming mechanism of the defects such as cold crack, air porosity and oxidation etc. proposes the measures of welding process to ensure the welding quality.
分析钛材管道焊接产生的冷裂纹、气孔、氧化等缺陷的原因和形成机理,提出焊接工艺措施,以确保焊接的质量。
The results show that using HTG-1 electrode may effectively decrease welding cold crack sensitivity of the steel, and the sensitivity to cold crack decreases as preheating temperature increases.
结果表明:采用HTG - 1焊条可以有效地降低该钢焊接冷裂纹敏感性;预热温度增加,抗冷裂效果更好。
This paper analyses theoretically and technologically, the reason of barrel tooth holders sealing off, of produced gas hole and cold crack. Especially, the writer has fourd the way to avoid them.
从理论和工艺上分析滚筒齿座开焊的原因、气孔的产生和怎样减少气孔生成、冷裂现象生成及其予防。
This waterproofing also helps to hold heat in, but in the most extreme cold, the coating might crack.
同时防水设计也兼顾保温效果,但在极度寒冷的情况下,外层可能爆裂。
The influence of cold expansion on the stress intensity factor distribution in crack tip was also analyzed.
分析了冷扩张对疲劳裂纹尖端应力强度因子分布的影响。
Analyzing the reasons of semi-steel cold ingots crack occurred in heating and theoretically calculating heating speeds of semi-steel cold ingots, a practical curve of heating process is worked out.
通过分析半钢冷锭加热裂纹产生原因,以及对半钢冷锭加热速度进行理论计算,制订了切实可行的加热工艺曲线。
This paper analyses the reasons of crack on the cold saw blade from Laigang Heavy H-Beam production line.
介绍了莱钢大型H型钢生产线冷锯锯片产生裂纹原因的研究与分析。
The failure forms of cold work roll including contact fatigue crack, spalling, inclusion crack and wear are discussed.
讨论了冷轧工作辊接触疲劳裂纹、剥落、夹杂物裂纹和磨损等失效形式。
Crack, cold laps and lack of fusion belong to planar discontinuity.
属于这种类型的缺陷有裂纹、冷隔、末熔合等。
Skin type cosmetics, such as water twenty oil, cold cream, massage cream and ointment crack, mostly for oil-based, and nutrition-based cosmetics and fat, protein, vitamins and other nutrients.
护肤型化妆品,如含水廿油、冷霜、按摩膏和防裂膏等,多为油脂型,而营养型化妆品又含脂肪、蛋白质、维生素等营养素。
Due to cold damage, different cracks, crosswise crack, vertical crack and irregular crack, occurred to varying degree after the project had been used for a while.
工程交付使用一段时间后,由于冻害等原因,渠道衬砌产生不同程度的横向、纵向及不规则裂缝。
Water may fill a crack in a rock; it freezes when it is very cold and, in doing so, makes the crack wider. Gradually little pieces of rack break away.
水会充满岩石的缝隙,天气非常冷时,水会结冰,这样,使得缝隙更大,渐渐地一片片小石块剥蚀下来。
Crack is the mostly quality flaw. The facts affecting crack are analysed by testing. Then the efficient measures are taken, crack is removed, and quality of cold heading steel can be increased.
裂纹是冷镦钢的主要质量缺陷,通过检试验方法,分析裂纹成因,采取有效措施,从而消除裂纹,提高冷镦钢的质量。
According to the causes of crack occurrence and the weather characteristics in the project area, it is key to prevent the cracks such as the plastic crack, dry crack and cold shrinkage crack.
根据混凝土面板产生裂缝的原因,并结合工程区的气候特点,认为控制面板的塑性收缩、干缩与冷缩裂缝是防止裂缝产生的重点。
By observing and analyzing cold punching process at the factory, the cause of the crack formation was found.
通过对冷冲压过程的实地观察分析,找准了裂纹产生的原因。
The relationship between annealing cracks and heating temperatures of Ni-based alloy cold-formed billets and the causes of annealing crack occurrence are studied.
研究了镍基合金冷变形管坯退火裂纹与加热温度的关系和退火裂纹产生的原因。
The mass concrete construction method for the equipment foundation in BX steel POSCO cold rolled sheet plant and technical measures for controlling its crack development were introduced in this paper.
介绍了本钢浦项冷轧薄板厂大体积混凝土设备基础的施工方法,以及控制其裂缝开展的技术措施。
The causes of crack for cold-working die are analyzed by checking machining technique and observing the microscopic structure, the technical measures to prevent cracks are put forwarded in the paper.
通过对弯曲件冷冲模各加工工艺和金相显微组织的分析,分析了冷冲模产生裂纹的原因,并提出了防止裂纹产生的工艺措施。
The present paper systematically checks and examines as well as analyzes causes to the cold-bended crack in the hot rolled steel plate Q345 by microscope, X-ray and Electron Probe Micro-analyzer.
利用金相显微镜、X射线衍射仪及电子探针等对Q 345热轧钢板因冷弯产生的裂纹进行了系统检验分析。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
针对45钢冷拔厚壁管存在内表面横裂纹问题,分析了其产生的原因。
The causes of inner transversal crack of cold-draw heavy wall pipe of 45 steel were analyzed.
针对45钢冷拔厚壁管存在内表面横裂纹问题,分析了其产生的原因。
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