hydrofluoric acid solution
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scholarly journals EFFECT OF MAGNESIUM FLUORIDE COATING ON CORROSION BEHAVIOR OF MAGNESIUM ALLOY

2020 ◽  
Vol 1 (1) ◽  
pp. 13-16
Author(s):  
O Saliza Azlina ◽  
Mohd Shafiq Ruba’ai ◽  
D Kurniawan
Keyword(s):  
Magnesium Alloy ◽  
Corrosion Rate ◽  
Acid Solution ◽  
Hydrofluoric Acid ◽  
Biological Properties ◽  
Pure Magnesium ◽  
Magnesium Fluoride ◽  
Work Piece ◽  
Hydrofluoric Acid Solution ◽  
Lower Corrosion Rate

Magnesium and its alloys are explored as potential biomedical materials for being lightweight, bio-absorbable, and having attractive biological properties. A major hindrance for their use is their high corrosion rate, in particular when exposed to body fluids. This study aims at suppressing the corrosion rate of a magnesium alloy (Mg1.0Ca) by coating it with magnesium fluoride (MgF2). The coating was done by immersion of the work-piece in hydrofluoric acid solution. For comparison, pure magnesium was also coated with MgF2. The MgF2 coated magnesium exhibits significantly lower corrosion rate than pure magnesium. The MgF2 coated magnesium alloy shows even lower corrosion rate. The MgF2 coating works in inhibiting corrosion on magnesium alloy Mg1.0Ca. The corrosion inhibition was also contributed by other compound formed during reaction between Mg1.0Ca and hydrofluoric acid and the alloy in Mg1.0Ca.

scholarly journals EFFECT OF MAGNESIUM FLUORIDE COATING ON CORROSION BEHAVIOR OF MAGNESIUM ALLOY

2020 ◽  
Vol 1 (1) ◽  
pp. 13-16
Author(s):  
O Saliza Azlina ◽  
Mohd Shafiq Ruba’ai ◽  
D Kurniawan
Keyword(s):  
Magnesium Alloy ◽  
Corrosion Rate ◽  
Acid Solution ◽  
Hydrofluoric Acid ◽  
Biological Properties ◽  
Pure Magnesium ◽  
Magnesium Fluoride ◽  
Work Piece ◽  
Hydrofluoric Acid Solution ◽  
Lower Corrosion Rate

Magnesium and its alloys are explored as potential biomedical materials for being lightweight, bio-absorbable, and having attractive biological properties. A major hindrance for their use is their high corrosion rate, in particular when exposed to body fluids. This study aims at suppressing the corrosion rate of a magnesium alloy (Mg1.0Ca) by coating it with magnesium fluoride (MgF2). The coating was done by immersion of the work-piece in hydrofluoric acid solution. For comparison, pure magnesium was also coated with MgF2. The MgF2 coated magnesium exhibits significantly lower corrosion rate than pure magnesium. The MgF2 coated magnesium alloy shows even lower corrosion rate. The MgF2 coating works in inhibiting corrosion on magnesium alloy Mg1.0Ca. The corrosion inhibition was also contributed by other compound formed during reaction between Mg1.0Ca and hydrofluoric acid and the alloy in Mg1.0Ca.

Regulating the passive film of NiCoCrMo alloy in hydrofluoric acid solution by small addition of Cu

2015 ◽  
Vol 98 ◽  
pp. 119-127 ◽  
Author(s):  
Yunping Li ◽  
Xiandong Xu ◽  
Yuhang Hou ◽  
Chen Zhang ◽  
Fenglin Wang ◽  
...  
Keyword(s):  
Acid Solution ◽  
Passive Film ◽  
Hydrofluoric Acid ◽  
Small Addition ◽  
Hydrofluoric Acid Solution
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