Effects of cathodic electrodeposition parameters of cerium oxide film on the corrosion resistance of the 2024 Al alloy

2009 ◽  
Vol 60 (7) ◽  
pp. 514-520 ◽  
Author(s):  
K. Brunelli ◽  
F. Bisaglia ◽  
J. Kovac ◽  
M. Magrini ◽  
M. Dabalà
Keyword(s):  
Corrosion Resistance ◽  
Oxide Film ◽  
Cerium Oxide ◽  
Al Alloy ◽  
Cathodic Electrodeposition

Effect of concentration of Ce(NO 3 ) 3  · 6H 2 O and temperature on the corrosion resistance of Al 2 O 3 /cerium oxide composite films on 1060 Al alloy

2019 ◽  
Vol 70 (7) ◽  
pp. 1306-1313
Author(s):  
Zeyuan Li ◽  
Lixia Ying ◽  
Qiu Jin ◽  
Guixiang Wang ◽  
Shixing Chen ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Cerium Oxide ◽  
Composite Films ◽  
Al Alloy ◽  
Oxide Composite

Electrical Characteristics of Thin Cerium Oxide Film on Silicon Substrate by Reactive DC Sputtering

2001 ◽  
Vol 4 (9) ◽  
pp. F15 ◽  
Author(s):  
Tung Ming Pan ◽  
Chao Hsin Chien ◽  
Tan Fu Lei ◽  
Tien Sheng Chao ◽  
Tiao Yuan Huang
Keyword(s):  
Oxide Film ◽  
Cerium Oxide ◽  
Silicon Substrate ◽  
Electrical Characteristics ◽  
Dc Sputtering

Effects of the Duration of Potentiostatic Anodizing on the Corrosion Resistance and Surface Morphology of Films Formed on Mg-Al Alloys

2005 ◽  
Vol 486-487 ◽  
pp. 125-128 ◽  
Author(s):  
Seong Jong Kim ◽  
Seok Ki Jang ◽  
Jeong Il Kim
Keyword(s):  
Corrosion Resistance ◽  
Surface Morphology ◽  
Anodic Oxide ◽  
Al Alloys ◽  
Anodic Film ◽  
Al Alloy ◽  
Active Dissolution ◽  
Dissolution Reaction ◽  
Alloy Az91 ◽  
Morphology Of Films

The effects of the duration of potentiostatic anodizing on the corrosion resistance and surface morphology of anodic oxide films formed on Mg-Al alloy (AZ91) in 1 M NaOH were investigated. With the formation of an anodic film, the current density decreased gradually, started to stabilize at 300 s, and was relatively constant at 600 s. These results may be related to the increased time for catalysis of the active dissolution reaction, which not only enlarges the area covered by the anodic film, but also produces a more coherent, thicker film. The reference corrosion potentials of the anodic oxide film for AZ91 shifted in the noble direction with time. In general, the corrosion resistance characteristics were improved with anodizing time.

scholarly journals Oxide Film Formation on a Microcrystalline Al Alloy in Sulfuric Acid

1997 ◽  
Vol 144 (4) ◽  
pp. 1353-1361 ◽  
Author(s):  
S. C. Thomas ◽  
V. I. Birss
Keyword(s):  
Sulfuric Acid ◽  
Oxide Film ◽  
Film Formation ◽  
Al Alloy

Improvement of Mechanical Properties and Corrosion Resistance by Deformation Induced Precipitation in Al-Zn-Mg-Cu Alloy

2017 ◽  
Vol 898 ◽  
pp. 179-190 ◽  
Author(s):  
Jin Rong Zuo ◽  
Long Gang Hou ◽  
Jin Tao Shi ◽  
Hua Cui ◽  
Lin Zhong Zhuang ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Thermomechanical Treatment ◽  
High Strength ◽  
Alloy Sheet ◽  
Rolling Temperature ◽  
Al Alloy ◽  
Deformation Degree ◽  
Dynamic Aging ◽  
Final Rolling Temperature ◽  
Final Rolling

A final thermomechanical treatment (FTMT) including peak aging and subsequent dynamic aging was proposed to prepare 7055 Al alloy sheets. The optimization was based on nine well-planned orthogonal experiments. Three main processing conditions in the thermomechanical treatment for obtaining the optimum synthetic properties of 7055 (i.e. preheating temperature, final rolling temperature and deformation degree) were investigated. It was shown that the final rolling temperature is the most important factor among the three parameters, and the optimum properties (yield strength: 651 MPa, ultimate tensile strength: 660 MPa) of 7055 Al alloy sheet can be gained with preheating at 140oC and 40% deformation at 170oC. With dynamic aging, grain boundary precipitates became discontinuous without much coarsening of matrix precipitates, while they were continuously distributed after T6 aging. The present optimal FTMT process can improve the intergranular / exfoliation corrosion resistance without sacrificing the strength compared to T6 tempering. The present FTMT process as a good alternative can produce high-strength Al alloy sheets with high strength and good corrosion resistance efficiently and economically.

scholarly journals Investigation of Zirconium Effect on the Corrosion Resistance of Aluminum Alloy Using Electrochemical Methods and Numerical Simulation in an Acidified Synthetic Sea Salt Solution

Materials ◽  
2018 ◽  
Vol 11 (10) ◽  
pp. 1982 ◽  
Author(s):  
Yong-Sang Kim ◽  
Jong Park ◽  
Byeong-Seon An ◽  
Young Lee ◽  
Cheol-Woong Yang ◽  
...  
Keyword(s):  
Corrosion Resistance ◽  
Microprobe Analysis ◽  
Electron Microprobe Analysis ◽  
Galvanic Corrosion ◽  
Sea Salt ◽  
Al Alloy ◽  
Alloying Element ◽  
Intermetallic Particles ◽  
Transmission Electron ◽  
Corrosion Simulation

Corrosion resistance of Zr that has been added to an Al alloy (U1070) is higher than that of a commercial Al alloy (A1070). A decreasing number and size of Al3Fe intermetallic particles (IMPs) were observed by electron microprobe analysis and transmission electron microscopy. Based on the numerical corrosion simulation, it was confirmed that decreasing the number and size of IMPs was favorable for improving the corrosion resistance of the Al alloy due to the reduction of the galvanic effect. In addition, Al3Zr was found to be insignificant in promoting galvanic corrosion within the Al matrix. Thus, Zr is an advantageous alloying element for improving the corrosion resistance of the Al alloy.

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