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Metals 2017, 7(1), 29; doi:10.3390/met7010029

Effect of Annealing Temperature on the Corrosion Protection of Hot Swaged Ti-54M Alloy in 2 M HCl Pickling Solutions

1
Deanship of Scientific Research, Advanced Manufacturing Institute (AMI), King Saud University, P.O. Box 800, Al-Riyadh 11421, Saudi Arabia
2
Electrochemistry and Corrosion Laboratory, Department of Physical Chemistry, National Research Centre, El-Behoth St. 33, Dokki, 12622 Cairo, Egypt
3
Mechanical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, Al-Riyadh 11421, Saudi Arabia
4
Mechanical Design and Materials Department, Faculty of Energy Engineering, Aswan University, Aswan 81521, Egypt
5
Former Ph.D. Student at Institute of Materials Science and Engineering, Clausthal University of Technology, Clausthal-Zellerfeld 38678, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Hugo F. Lopez
Received: 13 November 2016 / Revised: 20 December 2016 / Accepted: 11 January 2017 / Published: 20 January 2017
View Full-Text   |   Download PDF [4826 KB, uploaded 20 January 2017]   |  

Abstract

The corrosion of Ti-54M titanium alloy processed by hot rotary swaging and post-annealed to yield different grain sizes, in 2 M HCl solutions is reported. Two annealing temperatures of 800 °C and 940 °C, followed by air cooling and furnace cooling were used to give homogeneous grain structures of 1.5 and 5 μm, respectively. It has been found that annealing the alloy at 800 °C decreased the corrosion of the alloy, with respect to the hot swaged condition, through increasing its corrosion resistance and decreasing the corrosion current and corrosion rate. Increasing the annealing temperature to 940 °C further decreased the corrosion of the alloy. View Full-Text
Keywords: titanium alloys; annealing; corrosion; pickling solutions; EIS; polarization titanium alloys; annealing; corrosion; pickling solutions; EIS; polarization
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MDPI and ACS Style

Sherif, E.-S.M.; El Danaf, E.A.; Abdo, H.S.; Zein El Abedin, S.; Al-Khazraji, H. Effect of Annealing Temperature on the Corrosion Protection of Hot Swaged Ti-54M Alloy in 2 M HCl Pickling Solutions. Metals 2017, 7, 29.

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