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Hybrid Laser-Plasma Arc Welding

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Contact details

Hermans, M.J.M. Dr.ir.
Mechanical, Maritime and Materials Engineering (3mE), Materials Science and Engineering, Joining and Mechanical Behaviour
Mekelweg 2, 2628 CD Delft
Tel : +31 (0)15 27 82286
E-mail : M.J.M.Hermans@tudelft.nl
Website : Open website

General Information


Hybrid Laser-Plasma Arc Welding


The hybrid laser plasma arc welding technique has been known for some years as an alternative joining technique that offers advantages such as deeper weld penetration, increased welding speed and better gap tolerance compared to laser welding alone. Furthermore, for a relatively small capital increase this process offers commercial advantages and potential for increased applications of lasers in the manufacturing industry.


Department of Materials Science and Engineering, Room 3B-0-51, Mekelweg 2, Delft (building #34)

Key words:

PALW, TIG, MIG/MAG, Yb fibre, Nd:YAG

Main application:

A wide range of materials can be welded, including C-Mn steels, stainless steels, aluminium, titanium, and nickel. Typical geometries include butt and fillet welds. This setup, combining laser beam welding (LBW) and plasma arc welding (PAW), is employed on dual phase steels (DP 600 and DP 1000) for automotive applications. These steels are known to offer good mechanical properties by balancing high strength and large elongation due to proper microstructure containing ferrite as matrix and martensite islands.

Instrument specification

This setup is operated with two sources.

Laser beam


HL 3006D

Plasma jet


Plasma Commander