Results 21 to 30 of about 64,464 (310)

Influence of Concentration and pH of Hexafluorozirconic Acid on Corrosion Resistance of Anodized AA7075-T6 [PDF]

Materials Research, 2020
7XXX aluminum alloys show high mechanical resistance and low weight, both required properties for aircraft industry. Anodizing is an electrolytical process typically used to improve the corrosion resistance of aluminum alloys, through which a thicker and
Jéssica Salles Pinheiro, Gabriel Regio, Henrique Ribeiro Piaggio Cardoso, Claudia Trindade Oliveira, Jane Zoppas Ferreira   +4 more
doaj   +1 more source

The Corrosion Behaviors of the Cerium Conversion Coatings on the Zinc Coating in a 5 % NaCl Solution

High Temperature Materials and Processes, 2017
The present paper investigated the impact of cerium on the corrosion resistance of zinc coating in a 5 % NaCl solution. Electrochemistry was used to measure the electrochemical parameters to compare the corrosion resistance of the zinc coating with that ...
Zhang Jianghong, Meng Binfang, Wang Xinying, Li Wei   +3 more
doaj   +1 more source

Improving the corrosion resistance of LY12 aluminum alloy via a novel Mo–Zr–Ti composite conversion coating

Materials Research Express, 2021
To improve the corrosion resistance of LY12 aluminum alloy, a novel Mo–Zr–Ti composite conversion coating on its surface was prepared. The surface morphology, elements distribution, phase compositions and the corrosion resistance were systematically ...
Xuzheng Qian, Wen Zhan, Jingjing Pan, Yiting Liu, Feng Huang, Beiji Wang   +5 more
doaj   +1 more source

Electrochemical Corrosion Behaviour of Cerium Chemical Conversion Coatings on 304 Stainless Steel in Alkaline Solutions Containing Chloride Ions

International Journal of Electrochemical Science, 2019
A chemical conversion coating was successfully prepared on the surface of 304 stainless steel (SS). The morphology and chemical composition of the obtained coating were analysed by scanning electron microscopy (SEM) and energy dispersive spectrometry ...
Sensen Xin, Ronghai Xu, Haitao Yan, Peng Shen, Moucheng Li   +4 more
doaj   +1 more source

An Investigation of Mn−Ce−Based Conversion Coating on LZ91 Magnesium Alloy

International Journal of Electrochemical Science, 2018
Most of the magnesium alloys are relatively reactive and tend to suffer corrosion. Consequently, surface modifications are performed to enhance the corrosion resistance and paint adhesion of the base magnesium alloys.
Shun-Yi Jian, Ko-Lun Chang
doaj   +1 more source

Controlling Lateral Size and Thickness of Layered Double Hydroxide (LDH) Used as Conversion Layer for Corrosion Protection of AZ31 Mg Alloy

Corrosion and Materials Degradation, 2023
In the present study, Mg-Al layered double hydroxide (Mg-Al/LDH) was synthesized on the surface of AZ31 Mg alloy substrate via in-situ hydrothermal treatment. Synthesis parameters were changed to determine their effect on the lateral size of LDH.
Roya Malekkhouyan, Yoann Paint, Loïc Prince, Maurice Gonon, Marie-Georges Olivier   +4 more
doaj   +1 more source

Evaluation of self-healing ability of Ce–V conversion coating on AZ31 magnesium alloy

Journal of Magnesium and Alloys, 2016
This study investigated the influence of cerium nitrate in vanadate solutions on the properties of Ce–V conversion coatings on AZ31 magnesium alloys, and evaluated the self-healing behavior of the Ce–V conversion coating for AZ31 magnesium alloy.
Xiao Jiang, Ruiguang Guo, Shuqin Jiang
doaj   +1 more source

Effect of bath temperature on the growth kinetics and characteristics of permanganate conversion coating on LZ91 magnesium alloy

Journal of Materials Research and Technology
Permanganate conversion coating is one of the possible alternatives to chromate conversion coating for magnesium (Mg) alloys. Permanganate conversion coating enhances the corrosion resistance of Mg alloys, which is closely related to the thickness and ...
Sung-Mao Hung, Siao-Ying Chen, Chao-Sung Lin   +2 more
doaj   +1 more source

Controlling the rate of degradation of Mg using magnesium fluoride and magnesium fluoride-magnesium phosphate duplex coatings

Journal of Magnesium and Alloys, 2022
The thin and porous Fluoride Conversion Coating FCC with many cracks could not offer a significant improvement in corrosion resistance for Mg. Magnesium phosphate coating improves the corrosion resistance of Mg, good bioactivity, promotes cell viability ...
Mohan Sathyaraj P, Ph.D, Ravichandran K, Ph.D, Sankara Narayanan TSN, Ph.D   +2 more
doaj   +1 more source

Superhydrophobic fluoride conversion coating on bioresorbable magnesium alloy – fabrication, characterization, degradation and cytocompatibility with BMSCs

Journal of Magnesium and Alloys, 2021
A micro-nano structure CaF2 chemical conversion layer was prepared on fluoride-treated AZ31 alloy, then the composite fluoride conversion film (CaF2/MgF2) was modified by stearic acid (SA) and fabricated a superhydrophobic surface.
Chunyan Zhang, Shiyu Zhang, Dongwei Sun, Jiajia Lin, Fancheng Meng, Huinan Liu   +5 more
doaj   +1 more source