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- The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab. 结果表明,热轧Q345B中厚板表面纵裂纹是由于铸坯中存在夹杂物及铸坯纵裂引起的。
- The surface longitudinal crack of hot-roll Q345B medium plate was studied by means of metallographic microscopy,scanning electron microscopy and energy spectrum analysis. 采用金相检验和扫描电镜及能谱分析等手段对热轧Q345B中厚板表面纵裂纹进行了分析。
- Causes for surface longitudinal cracking on near net shape beam blanks during casting at Laiwu Steel were analyzed from both operation and equipment aspects. 对莱钢近终形异型坯腹板表面纵裂问题进行了分析,找出了工艺和设备方面的影响因素,采取了相应的改进措施。
- The analysis of Coal Saver Hanged Pipe Surface Longitudinal Crack 省煤器悬吊管外表面纵向开裂分析
- Production Practice of Decreasing the Surface Longitudinal Crack of Continuously Casting Slab 降低连铸板坯表面纵裂纹的生产实践
- Analysis of Surface Longitudinal Crack of Slab and Crack of Cold Bending for Cu-P-RE Weathering Steels Cu-P-RE系耐候钢连铸坯纵裂纹及热轧板冷弯不合格成因分析
- surface longitudinal cracks 表而纵裂
- surface longitudinal crack 表面纵裂
- The longitudinal crack on the surface of Q235 jobbing sheet is examined and analyzed during production. 通过生产试验,对Q235中板表面纵向裂纹进行检测和分析。
- Its stability is destroyed with longitudinal cracks of embankment caused by asymmetric settlement of permafrost. 由于阴阳坡差异引起路基不均匀沉降而导致的路面纵向裂缝病害严重影响了路基的稳定性。
- Through proceeding the macroscopical observation and SEM to the longitudinal crack on plate surface, we find that the crack on the plate across section is intend to expand to inner of the plate. 用光学显微镜和电子显微镜对中厚板轧后出现的表面纵裂纹进行了观察和分析。
- Experimental study on the longitudinal cracks of 41 corroded reinforcement concrete beams in atmospheric environment is carried out. 摘要对大气环境中41根钢筋混凝土梁的锈蚀顺筋裂缝规律进行试验。
- It is easy to cause longitudinal cracks in and depressions on slab cast with high(overheat) and strong secondary cooling. 浇铸亚包晶钢时钢水过热度高,在较强的冷却制度下会促进铸坯表面形成凹陷和纵裂。
- It is concluded that the original crack of billet is the root of the side longitudinal crack of jobbing sheet. 确认了板坯原始裂纹是造成中板边部纵向裂纹的根源。
- Some measures have been taken to control the longitudinal crack of peritectic steel by analyzing the causes. 通过分析包晶钢纵裂纹形成的原因,并采取相应的措施,使包晶钢的纵裂纹得到有效控制。
- We analyse the formation Cause of longitudinal crack of the strip in double - roll strip continuous casting using metallographic technique and electron microprobe. 用金相技术结合电子探针对双辊薄带连铸带坯的纵裂纹成因进行了分析。
- The cause to the longitudinal crack at the comer of CC billets of Xinyang Iron &Steel Co.,is analyzed and measures to control and solve the defect proposed. 分析了信钢小方坯产生角部纵裂的原因,并提出了控制与解决措施。
- The longitudinal crack rate of peritectic steel is much higher than other steel grades since wide slab was put into production at Wide Plate/Coil Plant. 根据中厚板卷厂连铸宽板坯投产以来的生产实践,包晶钢的纵裂纹发生率远高于其它钢种。
- In this paper, using the nonlinear finite element analysis, the stress-strain in the Hua Liang Ting Earth Dam is calculated to investigate the cause of longitudinal cracks in the watertight core. 本文对已建成的花凉亭土坝静应力应变进行有限单元非线性分析,以便探讨粘土心墙砂壳混合式坝型的坝体固结情况及心墙、铺盖的应力状态,并对花凉亭土坝心墙纵向裂缝成因进行了综合分析。
- The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding. X65管线钢在焊接过程中,内侧焊缝金属出现横向和纵向沿熔合线方向的裂纹,横向裂纹贯穿焊缝金属横截面。
