Corrosion performance of laser-welded austenitic-ferritic connections

M. Weigl; M. Schmidt

doi:10.1117/12.2006022

22 February 2013 Corrosion performance of laser-welded austenitic-ferritic connections

M. Weigl, M. Schmidt

Proceedings Volume 8603, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II; 86030P (2013) https://doi.org/10.1117/12.2006022
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

In order to reduce the material costs of white-goods made of stainless steels, tailored constructions with unequally alloyed stainless steels shall be used. For that purpose nickel-alloyed austenitic stainless steels are supposed to be limited to zones with demanding needs for corrosions resistance, whereas nickel-free ferritic stainless steels provide an attractive cost-performance ratio for the remaining components of a system. Particularly the present article discusses the corrosion performance of austenitic-ferritic connections, welded with high-power disc lasers at accelerated feed rates, as a function of the shielding gas composition and the surface condition.

Citation Download Citation

M. Weigl and M. Schmidt "Corrosion performance of laser-welded austenitic-ferritic connections", Proc. SPIE 8603, High-Power Laser Materials Processing: Lasers, Beam Delivery, Diagnostics, and Applications II, 86030P (22 February 2013); https://doi.org/10.1117/12.2006022

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