Corrosion properties of surface-modified AZ91D magnesium alloy

2008 ◽  
Vol 50 (12) ◽  
pp. 3267-3273 ◽  
Author(s):  
He Meifeng ◽  
Liu Lei ◽  
Wu Yating ◽  
Tang Zhixin ◽  
Hu Wenbin
Keyword(s):  
Magnesium Alloy ◽  
Corrosion Properties ◽  
Az91d Magnesium Alloy ◽  
Surface Modified

Effect of sintering temperature on corrosion properties of sol–gel based Al2O3 coatings on pre-treated AZ91D magnesium alloy

2009 ◽  
Vol 51 (12) ◽  
pp. 2950-2958 ◽  
Author(s):  
Xiankang Zhong ◽  
Qing Li ◽  
Bo Chen ◽  
Juping Wang ◽  
Junying Hu ◽  
...  
Keyword(s):  
Magnesium Alloy ◽  
Sintering Temperature ◽  
Sol Gel ◽  
Corrosion Properties ◽  
Az91d Magnesium Alloy

The Influences of Additives on the Corrosion Resistant Properties of Electroless Plating Ni-Co-P Alloy on the AZ91D Magnesium Alloy

2014 ◽  
Vol 1004-1005 ◽  
pp. 733-736
Author(s):  
Zu Xiao Yu ◽  
Ya Li Sun ◽  
Xin Huang
Keyword(s):  
Magnesium Alloy ◽  
Deposition Rate ◽  
Electroless Plating ◽  
Acid Resistance ◽  
Ammonium Fluoride ◽  
Alloy Coating ◽  
Corrosion Current ◽  
Corrosion Properties ◽  
Corrosion Resistant ◽  
Az91d Magnesium Alloy

To improve the anti-corrosion properties of the AZ91D magnesium alloy, the electroless plating Ni-Co-P on the AZ91D magnesium alloy is necessary. The influences of additives (ammonium fluoride (NH4F) and hexamethylenetetramine (HMTA)) on deposition rate, corrosion rate, acid resistance, corrosion current, corrosion potential and webster hardness of electroless plating Ni-Co-P alloy coating, were investigated using electrochemical methods, etc. The results show that the deposition rate and corrosion resistance properties of electroless plating Ni-Co-P are obviously improved when the additives, including NH4F (2%) and hexamethylenetetramine (HMTA, 1%), are added into plating solution, respectively. In addition, the global particles in the Ni-Co-P coating become smaller with the addition of NH4F by comparison with no additives and coatings are dense, uniform and defect-free.

Influence of Laser Parameters on Magnesium Alloy Surface Modification

2011 ◽  
Vol 704-705 ◽  
pp. 1216-1218
Author(s):  
Kai Sun ◽  
Sen Yang ◽  
Feng Xia Liu
Keyword(s):  
Corrosion Resistance ◽  
Surface Modification ◽  
Magnesium Alloy ◽  
Laser Power ◽  
Surface Engineering ◽  
Laser Surface ◽  
Alloy Surface ◽  
Technological Parameters ◽  
Az91d Magnesium Alloy ◽  
Surface Modified

It’s an important content to treat on the magnesium alloy surface for improving it’s abrasion performance and corrosion resistance in the field of surface engineering nowerdays. This research takes the AZ91D magnesium alloy and Aluminum as a substrate and powdered alloy respectively.It takes the laser surface modified technology as the method so that to enhance the corrosion resistance of the magnesium alloy surface.The optimization technological parameters are obtained by discussing the influence rule on laser power to corrosion resistance of AZ91D substrate and Mg-Al modified level.

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