Recovering Obliterated Engraved Vehicle Identify Number on Aluminum Engine Surfaces by Alkaline Etching Technique

Yi Jin

doi:10.4028/www.scientific.net/AMR.510.786

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Recovering Obliterated Engraved Vehicle Identify Number on Aluminum Engine Surfaces by Alkaline Etching Technique

Abstract:

Chemical etching, which is the most sensitive method to recover obliterated serial numbers on metal surfaces. This paper studied the method of recovering obliterated engraved vehicle identify number on aluminum engine surfaces by alkaline etching technique. Experiment research indicates that 25% sodium hydroxide solution not only can recovering original vehicle identify numbers on aluminum engine effectively, but also is easier to prepare and lower volatilizable than traditional method which uses acid solution. With the popularization of aluminum engine in motor engine, the method using sodium hydroxide solution to recovery has far-reaching application prospects, especially in the robbery cases involving vehicle identify numbers juggled.

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Periodical:

Advanced Materials Research (Volume 510)

Pages:

786-789

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.786

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Online since:

April 2012

Authors:

Yi Jin

Keywords:

Aluminum (Al), Etching Technique, Recover, Sodium Hydroxide, Vehicle Identify Number

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