Welding porosity is the main defect during laser welding.
焊接气孔是粉末冶金材料激光焊接的主要缺陷。
And the keyhole is characteristics of deep penetration laser welding.
小孔效应是深熔焊接中的特征现象。
SEM showed no pores and other defects and some ductility at laser welding area.
断口扫描电镜观察显示断口有一定的塑性，未发现气孔和焊接缺陷。
Laser welding can help us to realize the welding of castings, such as equipment.
激光焊接能帮助我们实现设备等铸造件的焊接。
Gaseous helium is used as an inert shielding gas in metal arc and laser welding.
在金属电弧和激光焊接中气态氦用作惰性屏蔽气体。
Thermal focusing is an important factor to influence the quality of laser welding.
热透镜效应是影响激光焊接质量的重要因素之一。
A laser welding quality monitoring method is proposed, based on support vector machine.
提出了一种基于支持向量机的激光焊接质量监测方法。
The superiority of the connection of nut with protection by laser welding is expounded.
论述了激光焊接连接防护罩和螺母的优越性。
In particular, YAG laser welding technique has satisfied the fiber positioning process.
尤其是采用YAG激光焊接技术，较好的解决了光纤定位工艺。
The toughness of HAZ is higher than base metal under appropriate laser welding conditions.
在合适的激光焊接条件下，热影响区韧性高于母材；
Then we carry on the study and development on laser welding equipment with high beam quality.
因此我们进行了高功率、高光束质量的激光焊接设备的开发和研究。
The technological properties of laser welding for aluminum and aluminum alloys are described.
概述了以激光为热源的铝及铝合金激光焊接技术特性。
Conclusion Plasma welding and laser welding are ideal joining methods for titanium in dentistry.
结论等离子焊接与激光焊接是比较理想的牙科钛材焊接方法。
It has promising prospect in material processing, laser welding, medicine treatment and military.
在工业加工、激光焊接、医疗军事等领域有很好的应用前景。
For certain applications, the laser welding can even offers a replacement for the sewing process.
对于某些特殊应用，激光熔接甚至可以代替传统的缝纫工艺。
Deep penetration laser welding was performed at aluminum alloy LF3Y2 under hot and press condition.
对铝合金L F3Y 2搭接板进行了热压条件下激光深熔焊接。
Laser welding of 5083 aluminum alloys with high power CO2 laser is experimental studied in this paper.
利用高功率CO2激光器，对5083型号的铝合金薄板进行了焊接试验研究。
A special coaxial nozzle was designed to resolve the difficulties of the titanium alloys laser welding.
为了解决这些问题，设计专用同轴喷嘴用于钛合金激光焊接。
Comau, an Italian robot specialist, now produces a 3d remote-laser welding system that helps make the new Fiat 500.
意大利机器人专家Comau，制造了一个3d遥控激光焊接系统，已被用于菲亚特500的制造中。
The temperature and stress fields of a ring structure laser welding are simulated by finite element method (FEM).
对铍环激光束钎焊过程的温度场和应力场进行了有限元模拟。
The application of laser welding technology in P/M materials and its developing status are systematically introduced.
系统地介绍了激光焊接技术在粉末冶金材料中的应用及其国内外动态。
The diagnose technology of laser welding is very important to assure weld quality and to meet the need of production.
激光焊接质量诊断技术对于保证焊接质量、满足生产需要具有重要意义。
The deep penetration Laser welding is the base of extensive utilization for the high-laser welding of metal materials.
激光深熔焊接是大功率激光焊接金属材料得以广泛应用的基础。
High power laser welding has been widely used in the industry due to its high productivity and excellent weld quality.
大功率激光焊接因其优异的焊接质量而在工业中得到广泛的应用。
This paper introduced the experiment of applying high power, deep penetration laser welding stainless steel tubes-tube plates.
本文介绍了采用大功率深穿透激光焊接不锈钢制压力容器管子—管板环缝的试验结果。
A practical high-power CO2 laser welding and cutting equipment with high beam quality was introduced, the optical system was analyzed.
介绍了一种实用型高功率、高光束质量CO2激光焊接、切割机，分析其光学系统。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
本文针对高质量板材对接填丝激光焊的需要，设计了对缝间隙宽度检测的传感器与送丝控制系统。
Plasma produced in laser welding process has shielding effect to the laser beam and decreases the melting depth on even result in the defect.
激光焊接过程中产生的等离子体对激光束有屏蔽作用，降低了焊接熔深，甚至出现缺陷。
The technology is involved the fields of laser welding, laser rapid prototyping technology, laser marking, laser engraving and laser diamond cutting.
这些技术涉及激光焊接、激光快速原型技术、激光打标、激光雕刻和激光切磨钻石等领域。
The technology is involved the fields of laser welding, laser rapid prototyping technology, laser marking, laser engraving and laser diamond cutting.
这些技术涉及激光焊接、激光快速原型技术、激光打标、激光雕刻和激光切磨钻石等领域。
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