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- Some new technologies such as infrared thermal imaging,laser holography and microwave testing were prospected in the testing of weld crack. 对红外热成像检测、激光全息检测和微波检测新技术在焊接裂纹检测中的应用进行了展望。
- The application status of magnetic particle testing,penetrant testing,eddy current testing,radiographic testing and ultrasonic testing in weld crack inspector were introduced. 介绍了磁粉检测、渗透检测、涡流检测、射线检测和超声波检测技术在焊接裂纹检测中的应用状况。
- Workers are using electric welders to weld cracked steel. 工人正在用电焊机把断裂的钢筋焊结在一起。
- The weld crack of mating flange of high-pressure hydrocracking reactor is described in this article,but the focus is on the checking method of crack,crack cause and repaired checking method. 文章叙述了高压加氢裂化反应器配对法兰接管焊缝裂纹现象,重点介绍了裂纹的检查检测方法、产生原因及修复检验方案。
- The result shows that the satisfactory weld quality of the quenched and tempered 30CrMnSiA steel with LBW will be got easily. The weld crack and the obvious change of performance at the heat-affected zone are not appeared. 结果表明 ,采用激光焊接调质状态下的 30CrMnSiA钢 ,易获得质量优良的焊缝 ,不会出现常见的焊接裂纹和明显的热影响区性能变化 ;
- Abstract: The feature of new developed HSLA steels for large heat input welding with low susceptivity to weld cracking was presented. 摘 要: 简要叙述了新研制的大线能量焊接低焊接裂纹敏感性调质高强度钢的特点。
- Method of h-type restrained weld cracking test 型约束焊接的龟裂试验方法
- Method of u-groove weld cracking test 型焊接龟裂试验方法
- window type restraint weld cracking test 窗口拘束焊缝抗裂试验,窗形拘束抗裂试验
- The dynamic stress-strain and welding residual stress during welding are the significant factors which lead to welded cracking and debasement of the joint properties. 在焊接过程中产生的动态应力应变及随后形成的残余应力,是导致焊接裂纹和接头性能下降的重要因素。
- The results showed that the main reasons of reductor shaft fracture are weld cracks,slag inclusions and massive inclusions which exist in the structure of the reductor shaft. 结果发现断轴组织内部存在焊接裂纹、夹渣及块状夹杂物等缺陷,这些缺陷形成微小裂纹源,使减速机轴在弯曲旋转作用力下发生疲劳断裂。
- Preheat before welding and post-heat can obviously diminish welding cracking.As preheat temperature increases, rate of beryllium welding cracking decreases. 焊前预热及焊后缓冷对抑制裂纹作用显著,且随着预热温度提高裂纹率呈下降趋势。
- The results showed that the main reasons of reductor shaft fracture are weld cracks, slag inclusions and massive inclusions which exist in the structure of the reductor shaft. 结果发现断轴组织内部存在焊接裂纹、夹渣及块状夹杂物等缺陷，这些缺陷形成微小裂纹源，使减速机轴在弯曲旋转作用力下发生疲劳断裂。
- The paper introduced the methods of non-destructive inspection of the 2008T/H boiler ceiling reheater pipes at the sealing structure,studied the reasons of weld cracks. 认为顶棚密封板的结构、再热器管子与密封板的焊接质量是导致焊缝开裂的主要原因,并提出了结构改进措施。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- Reason and solving measure of evaporimeter weld cracking 蒸发器焊缝开裂的原因及解决措施
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- INFLUENCE OF Hf ON WELD CRACKING FOR CAST NICKEL BASE SUPERALLOYS 铪对铸造镍基高温合金焊接裂纹的影响
- That was a cracking shot he played. 他这一下打得妙极了。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
