Results 81 to 90 of about 637 (162)

Effect of Nickel Addition on Corrosion Behavior of Laser–Arc Hybrid Welded Al-Mg-Si-Cu Alloy Joints

Metals
The corrosion performance of Al-Mg-Si-Cu laser–arc hybrid welded joints modified by 1.8 wt.% Ni remains poorly clarified. In this study, the corrosion behavior was examined via electrochemical measurements combined with SEM, EDS, and SKPFM.
Guang Ji, Xiaming Chen
doaj   +1 more source

Atomic Force Microscopy, Scanning Kelvin Probe Force Microscopy and magnetic measurements on thermally oxidized AISI 304 and AISI 316 stainless steels

, 2010
International audienceThermally oxidized AISI304 and AISI316 stainless steels are studied by Atomic Force Microscopy, Scanning Kelvin Probe Force Microscopy (SKPFM) and Magneto-Optical Kerr effect as a function of their growth temperature.
B. Maachi, A. Mehdaoui, Pirri, Carmelo, Maachi, B., Mehdaoui, Ahmed, C. Pirri, N.E. Hakiki, Hakiki, N., Bubendorff, Jean-Luc, J.L. Bubendorff   +9 more
core   +1 more source

Insights into galvanic corrosion behavior of Ti-Cu dissimilar joint: Effect of microstructure and volta potential [PDF]

, 2018
The effect of microstructure on corrosion behavior of a solid-state explosion welded Ti-Cu bimetal is investigated by means of alternating current-direct current (AC-DC) electrochemical measurements, optical microscopy, scanning electron microscopy, and ...
Imani, Amin, Davoodi A., Rafsanjani-Abbasi, Ali, Saman Hosseinpour, Rafsanjani-Abbasi A., Amin Imani, Hosseinpour S., Imani A., Ali Rafsanjani-Abbasi, Rahimi, Ehsan, Ali Davoodi, Ehsan Rahimi, Hosseinpour, Saman, Davoodi, Ali, Rahimi E., Rahimi, E.   +15 more
core   +1 more source

Mechanism of corrosion behavior between Pb-rich phase and Cu-rich structure of high Sn–Pb bronze alloy in neutral salt spray environment

Journal of Materials Research and Technology
The corrosion behavior and corrosion mechanism of the Pb-rich phase and Cu-rich structure of the Sn–Pb bronze alloy in a high-chloride and high-humidity environment were studied.
Xiuyuan Wang, Herong Zhou, Jialiang Song, Zhiheng Fan, Liming Zhang, Jingrui Shi, Jiachang Chen, Kui Xiao   +7 more
doaj   +1 more source

A Study on the Pitting Initiation of Duplex Stainless Steel (DSS 2205) Welded Joints Using SEM–EDS, SKPFM and Electrochemistry Methods

International Journal of Electrochemical Science, 2018
The influence of laser beam welding and a subsequent short-time post-weld heat treatment on the pitting corrosion in duplex stainless steel was investigated by diverse techniques, including the polarization curve method, scanning electron microscopy ...
Jiakun Sun, Xiaolei Li, Yangting Sun, Yiming Jiang, Jin Li   +4 more
doaj   +1 more source

Unraveling the mechanistic role of trace Nb microalloying in inclusion evolution and pitting corrosion resistance of 304 austenitic stainless steel

Journal of Materials Research and Technology
Trace Nb microalloying is a promising strategy for mitigating inclusion-mediated pitting in austenitic stainless steels, but the mechanisms linking Nb-induced inclusion evolution to localized corrosion remain unclear.
Marina Afzal, Aiman Mukhtar, Chengyang Hu, Tingping Hou, Babar Shahzad Khan, Sundas Arshad, Faiqa Barkat, Swaira Arshad, Qing Li, Kaiming Wu   +9 more
doaj   +1 more source

Time dependence of the natural passivation process on AISI 304 in an alkaline medium: Atomic force microscopy and scanning Kelvin probe force microscopy as additional tools to electrochemical impedance spectroscopy

, 2017
International audienceThin surface films formed on AISI 304 samples in an alkaline solution of pH = 13 are studied by atomic force microscopy (AFM), scanning Kelvin probe force microscopy (SKPFM) and electrochemical impedance spectroscopy (EIS) as a ...
Benaioun, N, Florentin, Alban, Hakiki, N, Maafa, I, Denys, Emmanuel, Moulayat, N, Bubendorff, Jean-Luc   +6 more
core   +1 more source

Microstructure–corrosion correlation in peak-aged Al–Zn–Mg–Cu alloys modified by Zr, Ag, and Sc–Zr–Ag microalloying

Journal of Materials Research and Technology
The development of high-strength Al–Zn–Mg–Cu alloys with improved corrosion resistance remains challenging due to the conflict between precipitation strengthening and local electrochemical heterogeneity.
Xiangbin Li, Huixin Jin, Jiajun Jiang, Jiaxing Zeng, Meilong Wang, Xue Wang   +5 more
doaj   +1 more source

Corrosion mechanism of the Ti–6Al–4V/AA6061 dissimilar metal CMT welded joint

Journal of Materials Research and Technology
Ti–Al composites are increasingly used in aviation for their lightweight, strength, and corrosion resistance. This study investigates the microstructural influence on the corrosion performance of Ti/Al Cold Metal Transfer welded joints by X-ray ...
Hao Xu, Rui Cao, Xianglong Ma, Yingjie Yan, Ding Fan, Hongbiao Dong   +5 more
doaj   +1 more source

Controlled ageing-induced nano Gd precipitation: An effective strategy to improve mechanical, corrosion, antibacterial and biocompatibility of Mg-0.5Mn-7.3Gd alloy

Journal of Magnesium and Alloys
Magnesium alloys have long been recognized as promising degradable biomaterials, however, bacterial infection, poor mechanical and corrosion properties limit its clinical application.
Satyabrata Nigamananda Sahoo, Pritish Rath, Samit Kumar Nandi, Mangal Roy   +3 more
doaj   +1 more source