Enhancement of the corrosion resistance for stainless steel 316 by applying laser shock peening

• Autorzy: Jasim Sarah A. , Ayesh Ammar , Kadhim A. , Abdullah Oday I.

Identyfikatory

DOI

10.2478/pjct-2024-0001

• Języki publikacji: EN

Abstrakty

EN

This research paper focuses on enhancing the surface characteristics of the 316 stainless steel (SS316) alloy, including roughness, microhardness, and corrosion resistance. Where the application of ND-YAG laser technology, a highly relevant and timely area, was investigated deeply. The Q-switching Nd: YAG Laser was used with varying laser energy levels within the context of the laser shock peening (LSP) technique. The corrosion resistance of the 316 ss alloy is evaluated in a corrosive environment of 500 mL of saliva (with a pH of 5.6) through electrochemical corrosion testing. Corrosion rate was determined based on the analysis of polarization curves. The outcomes of this research reveal that as the laser energy was increased, there was a noticeable enhancement in the mechanical properties of the 316 ss alloy’s surface. Importantly, the corrosion rate experiences a significant reduction, decreasing from 4.94 mm/yr to 3.59 mm/yr following laser shock peening (LSP) application.

Słowa kluczowe

EN

ND-YAG laser; neodymium-doped yttrium aluminum garnet laser; corrosion; 316 ss Alloy; stainless steel; saliva

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2024
• Tom: Vol. 26, nr 1
• Strony: 1--7
• Opis fizyczny: Bibliogr. 17 poz., tab., wz.

Twórcy

autor

Jasim Sarah A.

• College of Science, Diyala University, Iraq

autor

Ayesh Ammar

• Physics Dept, College of Science, Diyala University, Iraq

autor

Kadhim A.

• Laser and Optoelectronic Eng. Dept, University of Technology, Iraq

autor

Abdullah Oday I.

• Department of Energy Engineering, College of Engineering, University of Baghdad, Iraq
• Department of Mechanics, Al-Farabi Kazakh National University Almaty, Kazakhstan
• Mechanical Engineering Department, College of Engineering, Gulf University Sanad, Bahrain

Bibliografia

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