Marking and micro-machining with nanosecond pulsed fiber lasers

Marking and micro-machining with nanosecond pulsed fiber lasers are maturing and elevating themselves from just simple marking lasers to far more capable micromachining tools.
By |October 30th, 2009|Laser Equipment|1 Comment|

Cover glass influence on high power fiber laser induced focus shift

Cover glass influence on high power fiber laser induced focus shift
By |October 30th, 2009|General|0 Comments|

Welcome to Laser Insights

Laser Insights is a feature that gives insight into the very latest developments of Laser Materials Processing and the possible applications. These overviews are designed to give you insight […]

By |October 30th, 2009|Laser Insights|Comments Off|

Surface Plasmon Polaritons for Micro and Nano-Texturing of Metal Surfaces

BY: L. Mellor, S.P. Edwardson, W. Perrie, G. Dearden, K.G. Watkins
Laser Group, Department of Engineering, The University of Liverpool, Liverpool L69 3GQ, UK

A study has been […]

Prevention of porosity by oxygen in partial penetration laser and laser-gma hybrid welding

Prevention of porosity by oxygen in partial penetration laser and laser-gma hybrid welding can stabilize the laser welding process and then prevent the weld defects.

Pulse Control improves the micromachining of hard materials

Pulse Control improves the micromachining of hard materials demonstrates a factor of two improvements in cutting time and material removal if pulse peak power, energy and shape are controlled and optimized
By |October 30th, 2009|Laser Machining|0 Comments|

Laser Beam Welding of Experimental Trip Steels

Laser Beam Welding of Experimental Trip Steels

Hybrid Laser-GMAW Welding

Hybrid Laser-GMAW Welding has benefits including;Higher travel speeds and deeper penetration than conventional GMAW, Lower heat input and less distortion than arc welding, Less filler metal usage for a given thickness and smaller melt volume than arc welding, Greater gap tolerance than autogenous laser welding, Alloying addition and joint filling that is not possible with autogenous laser welding and can be used in industries such as; Steel, Stainless, Aluminum, Copper, Nickel / Inconel, Titanium, Zirconium, Aerospace, Automotive, Defense, Energy, Heavy Manufacturing, Oil and Gas
By |October 30th, 2009|Uncategorized|0 Comments|

On the Temperature Distributions and Thermal Stresses Induced in Laser Solid Freeform Fabrication of Multi-material Structures

In many different multidisciplinary engineering applications such as biomedical applications inconsistent material properties are required in order to enhance mechanical properties and functionality of an object. Laser Solid Freeform Fabricationas, an additive manufacturing technique can be used to manufacture fully functional near-net-shape three dimensional objects directly from their CAD model by successive layer-by-layer deposition of metallic materials.

Analysis of penetration depth fluctuations in single-mode fiber laser welds

Single mode fiber lasers are sensitive to penetration spiking power modulation and beam rotation can minimize this effect
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