为了采用图像处理与模式识别的方法对铝合金的焊接质量进行智能控制，必须获取铝合金焊接熔池的清晰图像，然后提取焊接熔池的信息。
In order to control the quality of welding by image processing and pattern recognition, the clear image of the welding pool of aluminum alloy and the information of the welding pool must be obtained.
运用此模型可预报金属熔池状况，指导实际生产。
And this model can be used to predict the status of the metal molten pool and instruct practice production.
运用此模型可预报金属熔池状况，便于现场调整工艺参数。
The models can be used to forecast metallic bath depth and diameter and adjust technical parameters.
激光深熔焊接的传热过程包括热传导和焊接熔池内熔融材料的对流流动。
The heat transfer in laser deep penetration welding includes heat conduction and convection in the welding pool.
或做成有熔池的反射炉，在炉顶上装设电热体。
Or make it have a reverberatory furnace of molten pool, installing electric heating body on top.
建立了熔池表面存在变形的流场与热场的数学模型。
A mathematical model has been established for fluid flow and heat transfer in weld pool with a deformed surface.
渣池和金属熔池是电渣熔铸过程中两个最重要的区域。
The slag pool and the metallic bath are the most important two regions in Electroslag Casting(ESC).
文摘：采用数值模拟技术研究了复合涂层激光熔池凝固过程。
Abstract: in this paper, solidification process of laser pool for composite coating system is studied, using numerical technology.
文摘：采用数值模拟技术研究了复合涂层激光熔池凝固过程。
Abstract: In this paper, solidification process of laser pool for compositecoating system is studied, using numerical technology.
电抗约束型炉子应采用使熔池功率或有功功率最大的方式运行。
The reactance restraint type of furnace should take method of operation to make molten pool power and active power maximum.
为进一步进行熔池图像处理和焊缝成型控制的研究奠定了基础。
The foundation of the future research of weld pool image processing and weld bead control was established.
焊接过程熔池动态特征信息获取与智能控制一直是焊接界研究的前沿课题。
Obtaining the dynamic characteristic information of molten pool and intelligent controlling in the welding process are focus of research in welding field.
整个焊接板由弹性变形区、压缩塑性变形区、拉伸塑性变形区和熔池组成。
Whole weldment includes practically elastic deformation zone, compressive plastic deformation zone, tensile plastic deformation zone and melting pool.
在表面冶金过程中等离子束产生感生磁场，使熔池内液态金属产生对流运动。
Plasma transferred arc produces the induced electromagnetic field that makes liquid metal convect in molten pool in the surface metallurgical course.
设计了快速图像处理算法，满足在实际焊接过程中提取熔池形状参数的要求。
A fast algorithm of image processing was designed for extracting the shape parameters of the weld pool in real time.
在电弧与熔池统一模型的基础上研究熔池上表面变形对电弧行为特征的影响。
This paper studied the effects of weld pool surface deformation on welding arc behavior characters basing on unified arc pool mathematical model.
用冷态模型和高温实验的方法，进行了熔融还原过程熔池中起泡现象的研究。
The foaming phenomenon in iron bath was studied by means of hydrodynamic model and high temperature experiment method.
最后采用增大热传导系数的方法，考虑了熔池内流体流动对整个温度场的影响。
Finally, the fluid flow of the weld pool was taken into account by increasing the heat conduction coefficient at elevated temperature.
详细分析了等离子束表面冶金熔池的凝固机理、凝固特征及对凝固组织的影响。
The freezing mechanics, characteristic and influence on structure of plasma-jet surface metallurgy have been analyzed in full.
通过该计算模型，可以掌握激光加工过程中连续移动激光熔池的加热和冷却规律。
During laser processing, the heating and cooling process of laser molten pool can be acquired by the numeric model.
为此提出一种利用熔池图像质心和卡尔曼滤波来间接获取电弧与焊缝偏差的方法。
An approach is proposed that this deviation can be obtained by using the weld pool image centroid and a Kalman filter.
电渣熔铸过程中， 金属熔池深度直接影响熔铸件的结晶，从而影响钢锭的质量。
The depth of molten pool directly influences the crystallization of castings, thus influence the quality of ingots in the ESR.
表面活性元素硫主要是通过改变熔池中流体的流动方式来影响熔池的形状和尺寸。
Sulfur can significantly influence the shape and size of the weld and final weld metal solidification structure by altering flow patterns.
结果表明结合数字图像处理的温度场检测技术可以表征激光熔池温度场的分布规律。
The study indicates that measurement technique of temperature field combined with digital image processing can show distribution of laser molten pool.
焊接熔池包含有丰富的信息，熔池传感与控制系统的研究是焊接研究一个重要领域。
Because prolific information can be got from the welding pool, the research on the sensing and control of the welding pool is one of the important fields in welding.
影响等离子表面冶金熔池中合金熔体粘度的主要因素是电流和粉末体系中的合金元素。
The electric current and alloy elements in powder system are major factors for influencing melt viscosity in surface metallurgy by plasma beam.
对三维准稳态激光重熔问题进行数值模拟，模型考虑了熔池内金属液体的流动和换热。
With the non staggered grids, a three dimensional quasi state laser remelting problem, considering heat transfer and fluid flow, is numerically simulated.
在激光辅助添加制造过程中，他们发射了一个红外激光束，在基板表面上就形成了熔池。
During the laser-aided additive manufacturing process, the researchers fired a beam from an infrared laser to form a melt pool on the substrate surface.
在激光辅助添加制造过程中，他们发射了一个红外激光束，在基板表面上就形成了熔池。
During the laser-aided additive manufacturing process, the researchers fired a beam from an infrared laser to form a melt pool on the substrate surface.
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