Influence of Heat and Laser Treatments on the Corrodibility of the Reinforced Carbon Steel
The influence of heat and laser treatments on the corrosion behavior of reinforced carbon steel was investigated in calcium hydroxide solution using weight loss, photodynamic polarization measurements, X-ray diffraction (XRD) and Scanning Electron Microscope (SEM). Heat and laser treatments play an important role for improvement of the mechanical and corrosion resistance of the reinforced carbon steel. The corrosion rate of laser alloyed sample is very close to that of the sample treated with low heat treatment (900C) and is lower than that experienced for the sample treated at higher one (1200C). The results may be attributed to uneven distribution of Ti and V micro-alloying element throughout the surface and low grain refinement for treated sample at high heat treatment (1200C).
Heat treatment, Laser, Micro-alloyed steel, Titanium, Vanadium, XRD, Polarization, SEM
G. A. El-Mahdy (1,2), M. M. Hegazy (1), M. M. Eissa (3), A. M. Fathy (3), F. M. Sayed (1), N. El-Manakhly (4) and Hamad –Al-Lohedan (2)
(1) Chemistry Department, Faculty of Science, Helwan University, Cairo, Egypt
(2) Surfactants research Chair, Chemistry Department, College of Science, King Saud University, P.O.Box - 2455, Riyadh - 11451, Saudi Arabia
(3) Steel Technology Department – Central Metallurgical Research & Development Institute (CMRDI)
(4) Electrochemistry and Corrosion lab., National Research Centre (NRC), Egypt.
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International Journal of Electrochemical Science, Vol. 7, 2012, pp. 6677 - 6692