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Article | REF: COR1580 V1

Laser surface processing and aqueous corrosion resistance.

Authors: Patrice PEYRE, Vincent VIGNAL

Publication date: December 10, 2012, Review date: October 28, 2019

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4. Laser deposition and alloys

4.1 Physical principle

During laser alloying or surface deposition, the surface chemistry of the initial substrate is modified by a filler material in the form of powder (Fig. 9 ), wire or reactive gas. In this respect, these processes can be compared to thermal spraying processes . The process can be carried out either in a single stage (the most widespread case of deposits with powder injection into the molten zone

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