AZ91 magnesium alloy
Microstructural simulation of friction stir welding using a cellular automaton method: a microstructure prediction of AZ91 magnesium alloy
... In the present study, a model is developed to simulate the microstructural evolution of AZ91 magnesium alloy during FSW. To this aim, first, the flow stress curves are obtained via the hot ...
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Effect of Calcium on the Combustion Behavior of Molten AZ91 Magnesium Alloy
... in magnesium alloys, AZ91D magnesium alloy and AZ91 magnesium alloy with added calcium were exposed to the atmosphere, and the surfaces of the alloys were ...AZ91D ...
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Investigation of Stress Corrosion Cracking Behaviors of an AZ91 Magnesium Alloy in 0 1 kmol/m3 Na2SO4 Solution Using Slow Strain Rate Test
... The material used was as-cast AZ91 magnesium alloy. Its chemical composition (mass.%) was 8.89Al, 0.78Zn, 0.21Mn, <0.001Ni, 0.002Fe, 0.002Cu and balance Mg. The sample surface was polished using ...
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A SVM model to predict the hot deformation flow curves of AZ91 magnesium alloy
... In this section, the results of previously used phenomenological constitutive models to describe the hot deformation flow curves of AZ91 magnesium alloy are presented from the literature (previous ...
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INFLUENCE OF ELECTROLESS NICKEL-PHOSPHORUS DEPOSITION ON HARDNESS OF MILD STEEL AND AZ91 MAGNESIUM ALLOY
... and AZ91 magnesium alloy for improving its ...and AZ91 alloy resulted in smooth microstructure of the substrate surface and improved ...
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Mechanical and Damping Properties of Fullerene Dispersed AZ91 Magnesium Alloy Composites Processed by a Powder Metallurgy Route
... dispersed AZ91 magnesium alloy composites were examined. The AZ91 with 0, 1 and 5 mass% fullerene additions were produced by extruding a mixture of AZ91 machined chips and fullerene ...
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Electropolymerisation of aniline on AZ91 magnesium alloy: the effect of coating electrolyte corrosiveness
... of magnesium alloys has been hindered due to their poor corrosion resistance ...Generally, magnesium alloys containing low impurities (iron and silicon) have acceptable atmospheric corrosion resistance, but ...
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A comparative study on constitutive modeling of hot deformation flow curves in AZ91 magnesium alloy
... In addition, it is suggested that the constants of Eq. (22) can be obtained through a Newtonian optimization procedure so as to minimize the sum squared error between the modeled and experimental flow curves. This model ...
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Plasma-Electrolytic-Oxidation Coating containing Y2O3 Nanoparticles on AZ91 Magnesium Alloy
... improve the surface performance of Mg alloys [6]. Among them, plasma electrolytic oxidation (PEO) was believed to be the most promising prospect because it shows superior properties such as firm bonding strength, ...
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A REVIEW ON SURFACE MODIFICATION OF AZ91 MAGNESIUM ALLOY FOR IMPROVEMENT IN CORROSION AND WEAR RESISTANCE
... the alloy with such Al- rich surface in 10% NaCl solution is about ...thixoformed alloy is about ...PMC alloy with the stir pass is quicker than that of the TF alloy and the grain refinement ...
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Biodegradability and Surface Chemistry of AZ31D Compared with AZ91 Magnesium Alloy in a Modified Simulated Body Fluid
... and AZ91 Mg alloy immersed into mSBF for 30d after the corrosion layers were ...of AZ91 whose pits was more well-distributed(Fig.6). The pits of AZ91 Mg alloy were about 40ìm in ...
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Effects of the Graphene Additive on the Corrosion Resistance of the Plasma Electrolytic Oxidation (PEO) Coating on the AZ91 Magnesium Alloy
... to the special structure and composition of the PEO coating with incorporation of graphene. As shown in Fig. 8, there are two main coating regimes visible existed the PEO coatings, i.e. an outer layer and an inner layer, ...
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Effect of Lead Additions on Microstructure and Casting Properties of AZ91 Magnesium Alloy
... properties; It was observed that the fluidity of AZ91 alloy increased as the increasing of Pb additions. In the hot tear tests two different mold systems were used. Hot tearing were observed in the longest ...
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Observation of Manganese Bearing Particles in Molten AZ91 Magnesium Alloy by Rapid Solidification
... Magnesium alloy AZ91 contains ...molten alloy and how contribute to grain refinement by ...of AZ91 alloy was melted in a stainless steel tube and then injected onto a copper wheel ...
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Some Characteristics of AZ31/AZ91 Dissimilar Magnesium Alloy Deposit by Friction Surfacing
... Monolayer friction surfacing was performed using a numerical controlled full automatic friction welding machine for AZ31 magnesium alloy plate used for substrate and AZ91 magnesium ...
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Deformation Characteristics of Recycled AZ91 Mg Alloy Containing Oxide Contaminants
... Mg alloy recycled by a solid state process with a severe deformation exhibits a higher strength at room temperature than the reference specimen subjected to the same thermo-mechanical treatment ...
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Formation of Nano Microstructured Aluminum Alloy Film Using Thermal Spray Gun with Ultra Rapid Cooling
... Aluminum-magnesium alloy films prepared by nitrogen gas cooling using the thermal spray gun had a partial nano microstructure because residual strains induced by rapid cooling acted as solid nuclei and a ...
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Design and Analysis of Knuckle Joint
... The quick development of innovation in ongoing decades has prompted the decrease of expense and weight of materials. The adjusted framework has turned out to be prevalent in industry and in research. Thus, there is ...
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Enumarating Heat Transfer Rate of Cylinder Fin Body by Varying Geometry and Material
... Aluminum Alloy 204 which has thermal conductivity of ...Aluminum alloy 7075, Magnesium alloy and Beryllium and the total analysis is done in ...
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Dynamic Electropulsing Induced Phase Transformations and Their Effects on Single Point Diamond Turning of AZ91 Alloy
... Shown in Figure 7 and Figure 8 are the SPDT cutting force and surface roughness of the non-EPT specimen and four dynamic EPT specimens, with various frequen- cies of electropulsing (126 Hz, 204 Hz, 265 Hz and 309 Hz), ...
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