AZ91D magnesium alloy
Effects of Injection Speed and Fraction Solid on Tensile Strength in Semisolid Injection Molding of AZ91D Magnesium Alloy
... To investigate the effects of fraction solid and injection speed on the volume fraction of casting defects and the tensile strength, experiments on semisolid forming of the AZ91D magnesium alloy were ...
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Study on the Effect of the Coating Thickness on Corrosion Behavior of AZ91D Magnesium Alloy in m-SBF
... of AZ91D magnesium alloy in this study, which can not only solve its fast degradation rate problem, but also offer good bioactivity and ...of magnesium alloy in the simulated body fluid ...
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Corrosion protection of AZ91D magnesium alloy by a duplex coating
... Die-cast AZ91D magnesium alloy (composition wt%: 8.978 Al, 0.6172 Zn, 0.2373Mn, 0.2987 Si, 0.1189 Cu, 0.00256 Ni, 0.017 Fe, 0.00164 Ca, 0.01154 Zr, balance Mg) were used as working electrodes. The ...
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In Situ Formation and Refinement of Mg2Si in Fiber Reinforced AZ91D Magnesium Alloy
... The AZ91D magnesium alloy with the chemical compo- sition shown in Table 1 was used as the matrix metal. Short alumina fibers (Saffil, ICI) were used as a reinforcement. The chemical composition and ...
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Effects of Solid Fraction on the Heat Transfer Coefficient at the Casting/Mold Interface for Permanent Mold Casting of AZ91D Magnesium Alloy
... semisolid AZ91D magnesium alloy and SKD-61 mold during ...the magnesium (Mg) alloy from oxidation during the heating process in this ...of AZ91D Mg alloy on the variation ...
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An in-situ Degradation Behavior Study of MAO Coating on AZ91D Magnesium Alloy in Aqueous Solutions by SECM
... The degradation behavior of AZ91D magnesium alloy with micro-arc oxidation (MAO) coating in NaCl solutions was studied by scanning electrochemical microscopy (SECM). The investigation was carried out ...
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The Joint Characteristics of Friction Stir Welded AZ91D Magnesium Alloy
... Mg alloy AZ91D containing 9 mass%Al and 1 mass%Zn has been most widely used in aircraft and engine building industries due to its high castability, low density, and good mechanical ...Mg alloy as a ...
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In situ Investigation of the Initial Stages of AZ91D Magnesium Alloy Biodegradation in Simulated Body Fluid
... The AZ91D magnesium alloy (nominal wt%: 9-Al, 1-Zn, ...by Magnesium Elektron Ltd (Swinton, England) as a 2 mm thick ...The alloy sheet was cut into strips and then embedded in epoxy ...
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Influence of Y2O3/Nd2O3 Particles Additive on the Corrosion Resistance of MAO Coating on AZ91D Magnesium Alloy
... AZ91D magnesium alloy. The corrosion behaviors of the coated AZ91D samples were studied by using potentiodynamic polarization, electrochemical impedance spectroscopy (EIS), and immersion ...
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Correlation between Density and Microstructural Features in Vacuum Die Cast AZ91D Magnesium Alloy
... immerged into the liquid with certain density, such as purified water and industrial alcohol. This method has advantages of simple operation, no damage to the castings as well as low cost, and it has been widely used for ...
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Electroless Ni P deposition plus nickel prosperous coating on AZ91D magnesium alloy
... the AZ91D magnesium alloy is undertaken by using the use of the plating bath containing nickel ...sulfate. Magnesium and its alloys have highly chemical interest and once they touch with air ...
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Effect of Environmentally Friendly Anodization on the Mechanical Properties and Microstructure of AZ91D Magnesium Alloy
... Materials) AZ91D magnesium alloy were anodized by DC or AC electrolysis in a solution of phosphate and ammonium salt in which the anodized layer is formed by local discharge, followed by rapid ...
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Effects of Fixing Carbon Nanoparticle to AZ91D Magnesium Alloy Chip Surface on Thixomold Forming
... The AZ91D magnesium-alloy chips with and without carbon nano- particles were used in the thixomolding process and the thixomolded specimen was 200 mm in length, 100 mm in width, and 2 mm in ...
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Effect of Injection Speed on Microstructure of AZ91D Magnesium Alloy in Semi Solid Injection Process
... We have developed a new type of semi-solid injection process that can obtain a high material yield of about 90 % for magnesium alloys. The morphology of the solid particles in the semi-solid slurry has signi fi ...
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Friction and Wear Properties on AZ91D Magnesium Alloy Treated by Anodizing from Phosphate Electrolytic Solution
... of AZ91D magnesium alloy substrate against the SUJ2 steel ball were evaluated by using a horizontal reciprocating friction and wear test ...of AZ91D magnesium alloy anodized from ...
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Preparation and Phosphating of Yttrium-Based Chemical Conversion Coatings on AZ91D Magnesium Alloy for Corrosion Protection
... Fig. 3 shows the morphology and elemental maps of the phosphate conversion coating. It can be found that the coating thickness was about 10 μm. The compact coating with few thin cracks is observed. As shown in elemental ...
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Interfacial Reaction in AZ91D Magnesium Alloy Matrix Composite Reinforced with Aluminum Borate Whisker
... 693 K for 96 hours. It shows clearly that the interfacial reaction invades into whisker along the boundary between two MgO particles and the depth is about 20 nm. When MgO particles grow up and encounter each other, ...
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Corrosion Protection of AZ91D Magnesium Alloy by Anodization Using Phosphate Electrolyte
... Mechanism of corrosion protection obtained by anodization for die-cast plates of ASTM AZ91D (Mg-9 mass%Al-0.7Zn) magnesium alloy has been studied. Anodization was conducted by conventional Dow17 ...
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Effect on Gadolinium based Microarc Oxidation Coating on AZ91D Magnesium Alloy
... on AZ91d magnesium alloys by micro-arc oxidation (MAO) coating and it reveals that the ...the AZ91D had a larger number of micro-pores and some micro-cracks on the ...
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Electropolymerization and Characterization of Poly-N-methylpyrrole Coatings on AZ91D Magnesium Alloy
... irradiate the sample. Spectra were recorded in high mass resolution mode (m/Δm>8000 at 29 Si). The surface morphology was investigated with a field emission scanning electron microscope (Hitachi, FE- SEM S-4800) with ...
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