journal article
oaidoi:10.1016/j.phpro.2015.11.015

Hybrid Laser Arc Welding of X80 Steel: Influence of Welding Speed and Preheating on the Microstructure and Mechanical Properties

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Publication date
31 December 2015
Publisher
The Authors. Published by Elsevier B.V.
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    Abstract

    AbstractThis study investigates the influence of hybrid laser-arc welding parameters on the microstructure and mechanical properties of the weld: namely, influence of welding speed and preheating temperature on the cooling rates, microstructure and hardness. In order to achieve the maximum productivity, optimum welding speed for the hybrid laser-arc welding X80 steel of 14mm thickness with and without preheating was defined

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