So the plasma has great effects on the laser beam welding process, the welding quality and the efficiency of the laser beam energy. which can not be ignored during the laser beam welding. 可见,激光焊接过程中产生的等离子体对激光焊接过程、焊接质量以及对激光能量的利用率有非常大的影响,是一个不可忽视的现象。
The inspection, controlling of welding process and quality of welding and precise welding of special materials are proposed in laser beam welding technology. 激光焊接技术主要介绍了焊接过程和焊接质量的检测与控制以及特种材料的精确焊接。
The system of laser beam welding with filler wire has been developed in this paper. The effect of welding parameters on HAZ ( Heat Affected Zone) size and weld formation during high power laser welding with filler wire has been studied. 利用自行设计的填丝激光焊系统,研究了大功率CO2激光填丝焊接工艺参数对HAZ尺寸及焊缝成形的影响。
The influence of transverse current on seam formation of CO2 laser beam welding of Aluminum alloys has been investigated. 研究了外加横向电流对铝合金CO2激光焊接焊缝成型的影响。
The plasma current in laser beam welding was analyzed and a model that takes plasma as a power source with resistance was developed. 为完善对等离子体控制技术,对焊接过程中等离子体电流的形成进行了理论分析,并将等离子体导电过程简化等效为一个具有内阻的电源模型。
The Welding Technology of lower power pulse YAG laser beam welding micro-module with filler wire was given. 给出了利用脉冲YAG激光做微型结构件的激光填丝焊接的较佳焊接工艺。
Experimental design and compatible analysis technique are used to investigate effects of laser beam process parameters on the weld bead geometry and back temperature in laser beam welding under certain laser beam conditions. 本文采用试验设计方法研究了在一定激光束条件下,激光工艺参数对激光焊缝形状尺寸、背面温度等质量参数的定量影响,并建立了相关的数学模型。
The recent development of the device, technological research and industrial applications of laser beam welding at home and abroad is summarized in this paper. 本文综述了国内外激光焊接设备、工艺研究以及工业应用的发展现状。
Laser beam welding of porous tungsten pieces and nicked tubes 多孔钨片与镍管的激光焊接
Techniques and equipments of laser processing technology are introduced in this paper. In which, laser processing techniques mainly concentrated on laser surface treatment and laser beam welding and their primary research fields are presented. 介绍了激光加工技术的工艺和设备,其中激光加工工艺中又重点介绍了激光表面处理和激光焊接技术,并指出了这些领域的重点研究方向。
In the paper, the digital image processing ( DIP) technology are introduced to deal with the one-direction ( two-dimensions) high speed photograph of laser beam welding plasma. 本研究运用数字图像处理技术,对单方向拍摄的激光焊接等离子体的高速摄影照片进行了处理。
Effect of outer magnetic field on laser beam welding penetration depth 外加磁场对激光焊接熔深的影响
Test of residual stress in laser beam welding and TIG welding joints of aeronautical titanium alloy plate 航空用钛合金激光焊和TIG焊残余应力测试
Effect of Transverse Current on CO2 Laser Beam Welding of Aluminum Alloy 外加横向电流作用下的铝合金CO2激光焊接研究
Laser Beam Welding and Its Application to the Automobile Manufacturing Overseas 激光焊及其在国外汽车生产上的应用
Laser beam welding is a new technique for food can making. 激光焊接用于食品空罐马口铁的焊接是一种最新的工艺方法。
Study on Gas-assisting Blowing of CO_2 Laser Beam Welding 激光焊接侧吹工艺的研究
Using a coaxial monitoring system for detecting the optical emission in CO_2 laser beam welding, the time-field and frequency-field characteristics of the coaxial optical signals under different penetration statuses for welding of oblique plates were studied in this paper. 利用CO2激光深熔焊等离子体光信号的同轴检测系统,对工件板厚变化时激光焊接熔透状态的同轴光信号进行了时域和频域分析。
Characteristics and application of electron beam welding and laser beam welding 电子束焊与激光焊的特点和应用
Underwater Nd: YAG Laser Beam Welding with local dry cavity 局部干法水下Nd:YAG激光焊接技术
Innovative Laser Beam Welding Process of High Strength Aluminum Alloy with Thick Plate 高强铝合金厚板窄间隙激光焊接新工艺
The recent development of electron and laser beam welding 电子束与激光束焊接的新进展
Influential factors of threshold power density for Nd ∶ YAG laser beam welding of beryllium 铍的Nd∶YAG激光焊接阈值功率影响因素
Laser beam welding has gained increasing application in the industry, because of its high ratio of penetration deep to weld width, low heat effects and high welding speed. 激光焊接由于其焊缝深宽比高、热影响区小以及高的焊接速度而在工业上得到越来越广泛的应用。
Effect of EM field on the plasma control during CO_2 laser beam welding 激光焊接过程中电磁场控制等离子体的研究
The method of laser beam welding micro-module with filler wire was discussed. 并讨论了微型结构件的激光填丝焊接方法;
Experimental design for weld bead quality control in laser beam welding 激光焊缝质量控制的试验设计研究
There are some hybrid welding processes such as laser-metal inert-gas welding, laser-tungsten inert-gas welding, laser assisted friction stir welding and dual laser beam welding, which can be used for joining aluminum, magnesium and their alloy. 列举了激光-MIG焊,激光-TIG焊,激光辅助搅拌摩擦焊,双激光束焊等多种激光复合热源在铝、镁及其合金连接上的应用,对相关复合热源的加工原理做了简要的分析。
However, laser welding parameters, high residual stresses and distortion have restricted the wide application of aluminum alloy T-joint of BSLBW ( bilateral synchronous laser beam welding). 但大型铝合金薄壁件T型结构的双激光束双侧同步焊接(BSLBW)存在的焊接工艺问题、焊接残余应力及变形的控制问题等,使其实际应用受到了一定限制。
Laser beam welding joint may contain various of information which could suggest us its mechanical properties. 激光焊接焊缝成形蕴涵着多种表征其力学性能的信息。