The Change of Mechanical Properties for Anodic Aluminum Oxide by Heat Treatment

D.J. Park; S.H. Kim; J.H. Lee; Seong Hee Lee; Yong Ho Choa

doi:10.4028/www.scientific.net/KEM.317-318.323

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 317-318The Change of Mechanical Properties for Anodic...

The Change of Mechanical Properties for Anodic Aluminum Oxide by Heat Treatment

Abstract:

Anodic aluminum oxide (AAO) was prepared in three types of aqueous solutions with various applied voltage. The mechanical property of AAO prepared in different electrolyte was investigated and hardness was increased on account of the increase of the thickness between pores. The mechanical property and microstructure change of AAO prepared in oxalic acid at 40V was investigated by heat treatment. AAO prepared in oxalic acid at 40V was transformed from amorphous to crystalline phase by heat treatment above 800oC and hardness was increased about 2.6 times with increase of heat treatment temperature.

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Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

323-326

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.323

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Online since:

August 2006

Authors:

D.J. Park, S.H. Kim, J.H. Lee, Seong Hee Lee, Yong Ho Choa

Keywords:

Anodic Aluminum Oxide (AAO), Hardness, Heat Treatment, Indentation Mark, Phase Transformation

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