Key words: Laser remanufacturing; Temperature field; Molten pool; CCD. 关键词:激光再制造;温度场;熔池;CCD。
The Preliminary Simulation of Dendritic Growth in Molten Pool of Pure Metal with Phase-Field Method 纯金属焊接熔池枝晶生长的相场法模拟初探
Study of forming mechanism of molten pool of TIG helium-arc small-gap butt welding for Tantalum sheet 钽薄板小间隙TIG氦弧对接焊熔池形成机理的研究
Stability of a micro molten pool for fabricating glass-coated Fe-based alloy microwires 玻璃包覆铁基合金微丝制备微熔池的稳定性
The forces applied on the molten pool at the cathode surface under the action of an external magnetic field during vacuum arc coating are analyzed. 分析了在外加磁场作用下,真空电弧镀膜中阴极靶面液池的受力情况,导出了液滴喷溅特性受磁场影响的关系式。
A group of molten pool images had been gotten in a certain technological conditions by the vision sensor. 在一定的工艺条件下,通过视觉传感器采集较为清晰的焊接熔池图像。
The effect obviously is changed with welding time, and the effect of gap on shape of molten pool is analyzed as well as the rule of different parameter on the change of molten width is obtained. 分析了间隙对熔池形状的影响,得出不同工艺参数对熔宽变化的影响规律,并分析了电孤形态差异对接头的影响。
Numerical Simulation of Molten Pool Temperature Field of Copper-Zinc Alloy Radiated by Chemical Laser 化学激光辐照铜锌合金熔池温度场的数值模拟
Inert gas tungsten arc welding Observations of Molten Pool Behavior during A-TIG Welding 活性剂钨极惰性气体保护电弧焊接熔池行为的观察
Application of Image Processing System Based on Digital Signal Processor to Temperature Field Measurement in Laser Molten Pool 基于数字信号处理器的图像处理系统在激光熔池温度场检测中的应用
The analysis on the time-depended temperature field of laser molten pool is also conducted. 系统分析了连续移动三维激光熔池温度场随时间的变化规律。
It is necessary to extract molten pool geometrical parameters in real time or to extract back bead width off-line either in seam tracking or in penetration control. 不论熔透控制还是焊缝跟踪,都需要实时或离线提取焊接熔池正面或反面的几何参数。
Analysis of the molten pool image of MAG welding based on fractal and mathematical morphology 基于分形和数学形态学的MAG焊熔池图像分析
Rotating arc horizontal GMAW can solve the dripping of the molten pool in the horizontal welding. 旋转电弧横向GMAW可以很好地控制横向焊接时熔池下塌。
Influence of Feeding Angle on Temperature Field in Molten Pool 不同水口角度对熔池内温度场的影响
Temperature Detection Software Development of Laser Molten Pool Based on High-speed CCD 基于高速CCD的激光熔池温度检测软件开发
The Research on the Process Stability and Molten Pool Forming in Ultra-narrow-gap Welding 超窄间隙焊接过程工艺稳定性及熔池形成
Study on the Characteristics of Molten Pool Based on Inside-Ring Laser Coaxial Powder Feeding and Properties of Cladding Layers 环形激光光内送粉熔池特征与熔层性能
By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements. 随着焊接热输入量的增加,由于熔池搅拌、焊接应力、合金元素烧损等原因,马氏体的分布更加散乱和密集;
Measurement of molten pool temperature field distribution using infrared technique in vertical-down SMAW 立向下焊焊接熔池表面温度场分布的红外热象法测定
Development of Flow Behavior in Molten Pool of Twin-roll Casting 双辊铸轧熔池内钢液流动行为研究进展
Design and Development on Monitoring Device of Temperature Field in Laser Molten Pool 激光熔池温度场监测装置的设计与研制
A lot of front and back images of the molten pool are obtained from different welding parameters. 在多种不同的焊接规范下进行了大量的图像获取试验,获得了不同规范下清晰的铝合金熔池正反两面图像。
A kind of image sense system of TIG welding molten pool was established based on the vision. 建立了一套基于视觉的TIG焊正面熔池图像传感系统。
The effect of the change of butt gap on the molten pool form is analyzed. 分析了对接间隙的变化对熔池表面形状的影响,并对间隙存在时焊枪偏离焊缝中心的温度场进行了分析。
The strong stirring of the molten pool made the elements to distribute uniformly. The crack were suppressed effectively. 熔池的剧烈搅拌还使得各种元素的分布更加均匀,有效的抑制了裂纹的生成。
The effects on the cladding parts by process parameters can be reflected by laser molten pool. 工艺参数对熔覆件成形的影响可通过成形过程中熔池的形貌来反映,因此,对熔池行为的研究已成为激光熔覆成形研究领域的一项重要内容。
The physical process of molten pool was researched, which showed that the surface tension and buoyancy are exist, and convection is caused mainly by tension and temperature gradient. 研究了激光熔池的物理过程,表明熔池中存在表面张力和浮力,对流主要是由表面张力和温度梯度引起。
After further improved, the temperature measurement system can be a useful technique in laser molten pool temperature measurement. 进一步完善后,该测温系统可成为激光制造中熔池温度在线检测的有用技术。
The flow state of molten pool in the manufacturing process can directly affect the performance of the deposition layer. 加工过程中熔池内流动状态直接影响熔积层的性能,使用数值模拟技术分析熔池内的温度场、流场等具有重要的意义。