welded seam

effect of heat treatment temperatures on microstructure of laser welded seam of sic_p/ 6061al metal matrix composite

热处理温度对SiC p/6061铝基复合材料激光熔化焊焊缝显微组织的影响

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Cause analysis of welded seam cracking for comb-shaped seal passing through the roof of reheater

再热器穿顶棚梳形密封焊口开裂原因分析

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The welded seam of the TWB jointed by LBW contained large quantity tiny equiaxial crystal and the heat-affected-zone ( HAZ) was not obvious, the columnar crystals and cellular dendrite near the bond line were grown in the orientation of radiation.

激光拼焊板焊缝中心为大量细小的等轴晶；热影响区不明显，在熔合线附近存在少量沿散热方向生长的柱状晶和胞状树枝晶。

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Aimed at spirally welded steel pipe, a visual sensor for automatic seam tracking system is developed.

针对螺旋埋弧焊钢管外焊, 研制了一种基于视觉传感的焊缝自动跟踪系统.

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Actual thermal cycling curve of welded seam of laser welding is obtained to zinc coated high strength steel.

对激光焊接高强度镀锌钢板时接头上热循环作了试验测定，测出了焊缝热影响区的实际热循环曲线。

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The reasons of appearance different phases among base metal, welded seam and heat-affected zone are different chemical constitution proportion of base metal and welding wire and part of metallic elements are melting loss when welded.

母材和焊缝、热影响区出现不同相的原因是由母材与焊丝所含化学成分的比例不同及焊接时部分金属元素烧损所致。

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The article introduces the process of full diameter straight seam welded steel tube.

介绍了大口径直缝焊接钢管的生产工艺.

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This article explained the correct application of the theory of strength through using the commonly used bevelled halving welded seam as an example.

以工程中常用的斜对接焊缝的研究为例，说明了力学强度理论的正确应用方法。

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Study showed that angle deformation of T joint is changed along the welded seam length.

研究表明,T形接头的角变形沿焊缝长度方向是变化的.

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However, the voltage welding has lower temperature peak value , wider welded seam, and smaller depth-to-width ratio.

而中压下电子束焊接时的温度峰值较低, 且焊缝较宽,焊缝深宽比较小.

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The author briefs the heat treatment facilities and relative technological data setting for the normalization of the straight-seam welded pipes.

简介了直缝焊管常化热处理的设备及工艺参数选择。

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Discuss on Spiral Welded Pipe Peach-like Forming Seam Control

浅谈螺旋焊管成型缝桃形尖形状的控制

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This paper describes the production process for plate used for large-calibred straight seam welded pipeline.

介绍了大口径直缝焊接钢管用钢板的生产工艺.

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The Detecting and Welded Seam Defects of Spiral Welded Pipe

螺旋焊管焊缝缺陷及检测

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