Bookcover of Corrosion Inhibition of Al-4.5%Cu/15ZrSiO4 Composite in HCl by LaCl2
Booktitle:

Corrosion Inhibition of Al-4.5%Cu/15ZrSiO4 Composite in HCl by LaCl2

Statistical Design and Arrhenius Kinetic Approach in Corrosion Analysis

LAP LAMBERT Academic Publishing (2011-02-08 )

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ISBN-13:

978-3-8443-0749-8

ISBN-10:
3844307494
EAN:
9783844307498
Book language:
English
Blurb/Shorttext:
The corrosion characteristics of Al-4.5Cu/ZrSiO4 particulate composite in 0.5molar hydrochloric acid without and with lanthanide chloride salt have been investigated. I5% ZrSiO4 was used for the production of the Al-4.5Cu/ZrSiO4 particulate composite using squeeze cast method. Addition of 15% zircon sand resulted to 5.04% decrease in density and 82.61% increase in hardness with respect to the unreinforced Al-4.5Cu matrix alloy. The time, temperature and concentration of inhibitor were varied in the range of 2-10hr, 30°C-75° and 250- 1000ppm respectively. Analysis of variance (ANOVA), factorial design and Arrhenius kinetic approach were used to explain the corrosion mechanism. All statistical design was computed at 95% confidence level. Results show that maximum inhibition was observed at 250ppm. An inhibition efficiency of 73.58% was observed after 10 hours of exposure in 0.5molar hydrochloric acid at 250ppm inhibitor concentration and 30°C. The analysis of variance and factorial design were in good agreement with the kinetic analysis.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Ekene Okafor
Number of pages:
88
Published on:
2011-02-08
Stock:
Available
Category:
Mechanical engineering, manufacturing technology
Price:
49.00 €
Keywords:
Corrosion, inhibitors, Statistical design, corrosion

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