AZ31B Magnesium Alloy
Improvement of Forgeability of a Commercial AZ31B Magnesium Alloy in Cold Backward Extrusion with Counter Pressure
... wrought AZ31B magnesium alloy (Mg-3%Al-1%Zn) at room temperature, backward extrusion is carried out with applying counter ...of magnesium alloys, the distributions of the stress, strain and ...
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Effects of Wavy Roll Forming on Textures in AZ31B Magnesium Alloy
... A new technique has been developed for randomizing the basal plane texture formed by rolling or extruding deformation in a magnesium alloy. Specimens are roll-formed using rolls having wavy surfaces at ...
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Effects of Sucrose on Anodized Film Formed on AZ31B Magnesium Alloy in Environmental-Friendly Electrolyte
... AZ31B magnesium alloy was employed in this study, and its chemical composition was follows (in wt.%): Al 2.5~3.5, Zn 0.6~1.4, Mn 0.2, Si ≤0.1, Cu≤0.05, Ni 0.005, and Mg balance. Samples of ...
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The effect of initial grain size on formability of AZ31B magnesium alloy during I-ECAP
... Abstract. The goal of this work was to investigate formability of AZ31B magnesium alloy during incremental equal channel angular pressing (I-ECAP). Square billets were processed using different ...
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Enhanced Corrosion Resistance of AZ31B Magnesium Alloy by Cooperation of Rare Earth Cerium and Stannate Conversion Coating
... the AZ31B samples are treated by rare earth bath, reactions 1-7 will take place, which results in the formation of rare earth cerium film, As the coating formation proceeds, the substrate surface is gradually ...
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In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy
... The aim of the current work was to use the model proposed in [7] to describe flow stress curves reflecting various modes of deformation (1) only by slip, (2) domi- nated by tensile twinning followed by slip and (3) domi- ...
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Improving the Anti-Corrosion Ability of Anodization Film of AZ31B Magnesium Alloy by Addition of NH4VO3 in the Electrolyte
... AZ31B magnesium alloy was used as the test material, which contains 3 wt% Al and 1 wt% Zn. A disk-shaped specimen with a diameter of 20 mm and a thickness of 8 mm was cut from an alloy rod. ...
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Effect of CO2 Saturation on the Corrosion Behaviour of AZ31B Magnesium Alloy in Na3PO4 Solutions
... very low and do not change with increasing the applied potential (from corrosion potential to 1.5V). This domain corresponds to an apparent passivation zone. Over the potential region of the passive current zone a steady ...
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The origin of fracture in the I-ECAP of AZ31B magnesium alloy
... Despite ECAP being a very popular tool for grain refinement, it is not suitable for a large-scale production of ultra-fine-grained materials with improved properties. The main drawback of the conventional ECAP is a ...
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Correlations between the Growth Mechanism and Corrosion Resistance of Plasma Electrolytic Oxidation Coatings on AZ31B Magnesium Alloy
... In the present work, plasma electrolytic oxidation (PEO) coatings with different microstructures were fabricated on AZ31B magnesium alloy. The thickness, morphology, phase composition and elemental ...
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Effect of Tungsten Carbide Particles on the Characteristics of PEO Coatings Formed on AZ31B Magnesium Alloy in Alkaline Electrolyte
... on AZ31B magnesium alloy in the alkaline electrolyte with and without tungsten carbide (WC) particles by plasma electrolytic ...the magnesium alloy ...
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The role of microstructure and texture in controlling mechanical properties of AZ31B magnesium alloy processed by I-ECAP
... of AZ31B magnesium alloy despite the yield strength (205 MPa) being still lower than after direct extrusion (220 ...a magnesium alloy allows processing at a lower temperature [22], a ...
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The Influence and Mechanism of Corrosion on AZ31B Magnesium Alloy in 1,2-propanediol Engine Coolant
... of magnesium alloys in 1,2-propanediol / water system, and the high cost of waterless - 1,2-propanediol can not do so popular, in order to reduce costs, there are many worthy attempts to consider and explore ...
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Improved Resistance to Intergranular Corrosion in the AZ31B Magnesium Alloy by Friction Stir Welding
... the magnesium alloys mainly is due to the following mechanisms i) the formed oxide films over the surface are not perfect or protective ii) the galvanic corrosion or bimetallic can be caused by impurities and ...
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Route effects in I-ECAP of AZ31B magnesium alloy
... Magnesium and its alloys have the lowest density among all metallic construction materials and the highest strength to density ratio. That makes them very promising for aerospace, automotive and electronic ...
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Corrosion Behavior Study of AZ31B magnesium Alloy by Sol- Gel Silica-based Hybrid Coating
... [24]. The bands around 1341 and 1255 cm -1 are attributed to the asymmetric and symmetric stretching vibrations of C-O and C-O-C bonds [23]. The bonds lying at 694 cm -1 is attributed to Si-O-Mg [24], which indicates ...
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Mechanical properties and microstructure of AZ31B magnesium alloy processed by I-ECAP
... A strong texture is produced in magnesium alloys processed by ECAP. [13,26] Mukai et al. [24] suggested that majority of grains change their orientation in a way such that their basal planes are coincident with a ...
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Electrochemical Corrosion Behavior of Atmospheric Plasma Sprayed Alumina Coatings
... material. The substrate coupons were of AZ31B magnesium alloy rod (BM). Substrates with the dimension of 16 mm × 15 mm were grit-blasted on one side to clean and roughen the surface prior to ...
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The development of stress based continuum damage mechanics model for predicting the formability of Magnesium alloys under cold/warm stamping processes
... of magnesium alloys under cold/warm stamping ...for AZ31B magnesium alloy (at different deformation conditions (temperature range of 20°C to 300°C and strain rate range of ...
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Influence of Conversion Coating on Magnesium and Aluminum Alloys by Adhesion Method
... on AZ31B magnesium alloy and A2017 aluminum alloy and, Figure 6 illustrates the relationship between bond strength with acrylic resin and various conversion coatings on AZ31B ...
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