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(PDF) Characteristics of Fiber Laser and CO2 Laser Welding

The study on bead on plate (BOP) and butt laser welding characteristics of AZ31B-H24 magnesium alloys are carried out by using two lasers, fiber laser and CO2 laser. (PDF) Determination of optimum parameters using grey Download Free PDF. Download Free PDF Determination of optimum parameters using grey relational analysis for multi-performance characteristics in CO2 laser joining of dissimilar materials. Papers. Laser Spot Welding of Thermoplastic and Ceramic:An Experimental Investigation. By Nukman Yusoff. Optimisation of laser welding parameters for

(PDF) Study on metal transfer modes and welding spatter

Some early camera, this paper presents such an experimental study studies on CO2 shielded flux cored arc welding on the typical weld metal transfer modes and the concluded three principal modes of metal transfer:5,6 resultant weld spatter characteristics of self-shielded short circuiting transfer, globular transfer and fine FCAW, which is A review on laser beam welding of copper alloys SpringerLinkJan 24, 2018 · With exponentially increasing copper alloys consumption globally, the automatization, high efficiency, and quality improvement of the copper joining process become inevitable in modern industrial production. In this context, laser welding presents a particular suitability for joining of copper alloys because of its high precision, high-energy concentration, and rapid processing potentials. Arc characteristics and metal transfer process of hybrid Nov 01, 2014 · Hybrid laser gas metal arc (GMA) welding can provide higher productivity than either autogenous laser welding or GMA welding alone. In order to further enhance the welding efficiency of the hybrid laser arc welding process, a novel triple-heat-source welding system entitled hybrid laser double GMA welding was proposed in this study. This hybrid welding system was established based

CO2 Molecular gas laser:Principle, Construction, Working

High power CO 2 laser finds applications in material processing, welding, drilling, cutting soldering etc. 2. The low atmospheric attenuation (10.6m makes CO 2 laser suitable for open air communication. 3. It is used for remote sensing . 4. It is used for treatment of liver and lung diseases. 5. Experimental study on deep penetrated laser welding under May 04, 2014 · Unlike the normal vacuum chamber that a workpiece is put inside, a new vacuum chamber was designed to put on the welding zone of a workpiece, which has no size limit with this chamber, so that a large and thick plate could be welded with laser under low pressure. In this new vacuum chamber, a local subatmospheric pressure on the welding zone was achieved with side Experimental study on welding characteristics of CO2 Experimental study on welding characteristics of CO2 laser-TIG hybrid welding process Y. B. Chen, Z. L. Lei, L. Q. Li and L. Wu State Key Laboratory of Advanced Welding Production Technology, Harbin

Experimental study on welding characteristics of CO2 laser

Dec 04, 2013 · The experiments of CO 2 laser TIG paraxial hybrid welding with 4 mm thick AISI 321 stainless steel sheet have been performed. The arc images and welding characteristics have been investigated with different energy ratios between laser and arc. The experimental results indicate that the hybrid welding is similar to laser welding and has also two welding mechanisms:deep penetration welding Handbook of Laser Welding Technologies - 1st EditionJun 30, 2013 · Laser welding is a rapidly developing and versatile technology which has found increasing applications in industry and manufacturing. It allows the precision welding of small and hard-to-reach areas, and is particularly suitable for operation under computer or robotic control. Plasma behavior and control with small diameter assisting Nov 01, 2016 · The laser-induced plasma is an important physical phenomenon during the process of penetration welding with high-power CO 2 laser. To study the effect of assisting gas in the laser-induced plasma behavior and characteristics of weld formation, different configurations of heat input and side assisting gas were arranged to investigate the plasma behavior, and plasma images were

A literature review on CO laser welding

2. Laser welding 2.1. CO2 Laser welding This is a non- contact process that requires access to the weld zone from one side of the parts being welded. The weld is formed as the intense laser light rapidly heats the material typically calculated in milliseconds. Laser welding is a joining process where laser are used as a heating source for joining