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Metals 2016, 6(3), 51; doi:10.3390/met6030051

Effects of Cryogenic Forging and Anodization on the Mechanical Properties and Corrosion Resistance of AA6066–T6 Aluminum Alloys

1
Department of Mechanical Engineering, National Central University, Jhongli District, Taoyuan City 32001, Taiwan
2
Graduate Student, National Central University, Jhongli District, Taoyuan City 32001, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Nong Gao
Received: 11 December 2015 / Revised: 10 February 2016 / Accepted: 23 February 2016 / Published: 3 March 2016
(This article belongs to the Special Issue Aluminum Alloys)
View Full-Text   |   Download PDF [5861 KB, uploaded 3 March 2016]   |  

Abstract

In this study, AA6066 alloy samples were cryogenically forged after annealing and then subjected to solution and aging treatments. Compared with conventional 6066-T6 alloy samples, the cryoforged samples exhibited a 34% increase in elongation but sacrificed about 8%–12% in ultimate tensile strength (UTS) and yield stress (YS). Such difference was affected by the constituent phases that changed in the samples’ matrix. Anodization and sealing did minor effect on tensile strength of the 6066-T6 samples with/without cryoforging but it decreased samples’ elongation about 8%–10%. The anodized/sealed anodic aluminum oxide (AAO) film enhanced the corrosion resistance of the cryoforged samples. View Full-Text
Keywords: cryoforging; anodization; tensile properties; corrosion resistance cryoforging; anodization; tensile properties; corrosion resistance
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MDPI and ACS Style

Shih, T.-S.; Yong, H.-S.; Hsu, W.-N. Effects of Cryogenic Forging and Anodization on the Mechanical Properties and Corrosion Resistance of AA6066–T6 Aluminum Alloys. Metals 2016, 6, 51.

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