The runners of 6 operated generating unit of Ertan Hydro Station have been checked and no crack on the primary weld of the field welding position is observed.
二滩水电站已全部投运的6台机转轮经停机检查,现场焊接的主焊缝无裂纹。
The paper expounds the concrete welding technique and technical measure in detail, and has certain reference value to nickel-based alloy material's field weld.
文章针对现场焊接工艺和技术措施做了较详细的阐述,对镍基合金材料现场施焊有一定参考价值。
The magnetic field sensor for weld nuts detects not only metal but it also replaces the location bolt.
用于焊接螺母磁场传感器检测,不仅金属但它也取代了位置螺栓。
The result shows that the velocity field changes with the increase of space from shoulder and stir tool and the flow of weld metal from top to bottom and stir zone to rotation zone also weakens.
实验结果表明:随着距轴肩和搅拌针距离的增大,速度场开始减弱,焊缝金属由顶面向底面、由搅拌区向旋转区的流动也随之减弱。
The plastic flow and the variation of the strain field in welds caused by impact rollers were analyzed numerically to study the effect of weld with trailing impact rolling (WTIR).
为了解随焊冲击碾压法机理,用数值计算方法对冲击碾压轮引起薄壁结构焊缝金属塑性流变行为和应变场变化进行了分析。
In this paper, the temperature field of weld metal solidification cracking in the stainless steel was analyzed and simulated.
进行了不锈钢焊接凝固裂纹温度场分析与数值模拟。
The gas got together, and the technician acted against the rules to weld underground in the mine field. There were more than twenty people killed in the fire damp explosion.
瓦斯聚集并且井下技术员违规操作在井下现场焊接,焊接产生的火花引起瓦斯爆炸夺去了二十多人的生命。
The performance of the weld would be improved with the regulation of the temperature field distribution and the upsetting parameters.
提高焊缝性能应当从温度场分布和顶锻工艺着手。
The method adopts visual sensor monitoring and captures images of field of welding temperature of back of weld.
该方法利用视觉传感来对焊缝背面焊接温度场热图像进行实时检测及处理,从而达到控制焊缝熔透的目的。
The temperature field and residual stress field of unclosed hoop weld were obtained and the results were discussed.
获得了非封闭环焊缝焊接温度场和残余应力场,并对模拟结果进行了分析。
Regardless of DC or AC magnetic field, the hard phase in weld metal overlay is fine and distributed "the hexagon" in optimum parameters, then hardness and wear extent in weld metal overlay are higher.
在最佳的磁场参数作用下,无论是直流磁场还是交流磁场,堆焊层中硬质相细小且成“六角形”分布,此时堆焊层金属的硬度和磨损量均达到最佳状态。
In this paper, the creep compliance of Hot-plate welded joint of PE80 pipe is measured, and the effect of creep on the crack tip stress field in the weld is investigated.
本文测定了燃气用PE80管材热板焊接接头的蠕变柔量,研究了蠕变对焊缝裂尖应力场的影响。
Using the finite element method, a mathematical model of temperature field for weld-repaired zone of white cast iron is constructed, and temperature field and heat cycle are analyzed.
应用有限元方法建立了白口铸铁焊接接头焊补温度场的数学模型,对白口铸铁焊补温度场和热循环进行了分析。
Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.
所以控制电弧后拖是高速焊改善焊缝成形的关键。
This paper has simulated the driving force of solidification crack of stainless steels, namely the, stress strain field in the trail of molten weld pool.
对不锈钢凝固裂纹的驱动力即熔池尾部应变场进行了模拟。
In the field of optical fiber connection, the mechanical fiber connection and thermo-weld are two different ways of realizing the fixed connection of optical fiber.
在光纤接续领域,机械式光纤接续和熔接接续是实现光纤固定连接的两种不同方式。
An analysis is carried out to a practical case of a pipeline rupture happened near spiral weld under field applied heat shrinkable sleeves.
对管道热缩套下对接环形焊缝附近爆裂的实际案例进行了分析。
This article introduces weld formation of low carbon steel, stainless steel and al alloy by TIG welding in longitudinal intermittent alternative magnetic field.
研究了间歇交变纵向磁场TIG焊接不同材料(低碳钢、不锈钢和铝合金等)的焊缝成形。
The utility model relates to an automatic arc blocking device for electric and arc weld, which belongs to the photoelectric control field.
本实用新型涉及一种电、氧焊自动挡弧装置,它属于光电控制领域。
By combining experiment with theoretical analysis, the influence of adding axial magnetic field on shape and properties of tungsten inert gas (TIG) welding arc and weld profile was studied.
采用实验与理论分析相结合的方法,研究了外加纵向磁场对TIG焊电弧形态、电弧静特性及焊缝形貌的影响。
The temperature field of welding workpiece determines the stress field and strain field, and it is also the main factor affecting the weld quality and production rate.
焊接工件的温度场决定了焊接应力场和应变场,是影响焊接质量和生产率的主要因素。
This method provided an available way for the post-weld heat treatment of T91 steel, and it was great important to facility rebuild, field...
这为寻求简化t 91钢焊后热处理提供了新的有效途径和可能性,对设备改造、现场安装及检修等具有重要意义。
This method provided an available way for the post-weld heat treatment of T91 steel, and it was great important to facility rebuild, field...
这为寻求简化t 91钢焊后热处理提供了新的有效途径和可能性,对设备改造、现场安装及检修等具有重要意义。
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