AZ91 alloy
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), ...
6
Grain Refinement in a Mg AZ91 Alloy via Large Strain Hot Rolling
... Significant grain refinement has been achieved in a cast Mg-based AZ91 alloy via large strain hot rolling. This is a simple processing method consisting of one rolling pass at intermediate temperatures with a ...
6
Effects of Microstructure on Discharge Behavior of AZ91 Alloy as Anode for Mg Air Battery
... (AZ91) alloy sheets were selected as the ...aged AZ91 specimens acted as a barrier to the dissolution of the ¡ -Mg matrix because a large Al-rich ¡ phase was not distributed in the AZ91 ...
6
Biodegradable stents made of pure Mg and AZ91 alloy through SPS sintering
... During the Second World War (WWII), the production of magnesium as structural material rose, achieving 228.000 ton per year in 1944. The most part of this production was used for aircraft parts. After WWII, it had been ...
121
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 ...
6
Investigation of Stress Corrosion Cracking Behaviors of an AZ91 Magnesium Alloy in 0 1 kmol/m3 Na2SO4 Solution Using Slow Strain Rate Test
... that they had the same SCC mechanism, HE mechanism. However, cathodic charging before test caused the formation of hydride and the existing of micro-cracks on surface and at interior. Moreover, the diffusion of hydrogen ...
5
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 ...
5
The Numerical Modeling to Study the Multi-Pass Friction Stir Processing on Magnesium Casting Alloy AZ91
... Abstract: In this research, the multi-pass friction stir processing on AZ91 alloy has been simulated with the three-dimensional numerical modeling based on the ABAQUS/ Explicit. This simulation involves the ...
8
A REVIEW ON SURFACE MODIFICATION OF AZ91 MAGNESIUM ALLOY FOR IMPROVEMENT IN CORROSION AND WEAR RESISTANCE
... the AZ91 alloy help to promote the application of AZ91 alloys in ...of AZ91 in the coating solution, careful pre-treatment methods can be conducted to get the good quality coating ...on ...
11
Aging Behaviors in AZ91D/Al18B4O33w Composite Fabricated by Squeeze Casting
... in magnesium, like most h.c.p. metals, occurs predominantly on the close-packed basal planes (0001). Since the contin- uous precipitation consists of dispersed plates lying parallel to the basal plane, there are many ...
6
Influence of Post Annealing on the Oxide Layer of AZ91 Mg Alloy Prepared by Plasma Electrolytic Oxidation
... the AZ91 alloy used in this study was analyzed as ...mm-thick AZ91 Mg alloy plate was cut into 30 mm 50 mm samples, which were polished with silicon carbide paper, rinsed with distilled water, ...
5
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 ...
8
Effect of Plasma Electrolytic Oxidation Coating on Tensile Properties of High Pressure Die Cast Magnesium Alloy AZ91
... of AZ91 of 100 MPa and AZ31 of 50 ...in AZ91 and AZ31 castings. The tensile properties of extrusion cast AZ91 and AZ31 are higher than those of gravity ...the AZ91 [31]. In this study, ...
127
Mechanical and Damping Properties of Fullerene Dispersed AZ91 Magnesium Alloy Composites Processed by a Powder Metallurgy Route
... industries. AZ91 alloy is the most widely used cast magnesium ...this alloy shows a good combination of high strength at room temperature, good castability and excellent corrosion ...example, ...
9
Semi Solid Consolidation Processing of Rapidly Solidified Powders for Fabrication of High Strength AZ91 Magnesium Alloys
... preformed AZ91 alloy above mentioned and as-cast AZ91 ...preformed AZ91 alloy was measured to be 110 MPa, while 180 MPa for as-cast AZ91 ...formed AZ91 alloy, it is ...
5
A comparative study on constitutive modeling of hot deformation flow curves in AZ91 magnesium alloy
... To conduct the hot compression tests, cylindrical specimens with 10 mm diameter and 15 mm length were machined from the ingot of AZ91 alloy with the chemical composition of 9.2Al, 0.8 Zn, 0.22Mn, 0.077Si ...
11
Effect of Calcium on the Combustion Behavior of Molten AZ91 Magnesium Alloy
... magnesium alloy and AZ91 magnesium alloy with added calcium were exposed to the atmosphere, and the surfaces of the alloys were ...magnesium alloy, aggregated products were observed on the ...
8
Effect of Quench Environment on the Conversion Coatings on Magnesium Alloy AZ91
... Mg alloy is AZ91. From the coatability point of view, AZ91 alloy disadvantage is that it contains quite a high amount of β intermetallic phase forming a galvanic connection in the phase ...
8
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 ...
19
Corrosion behavior of AZ91 Mg Alloy coated with AlN and TiN in NaCl and Hank’s solution
... All coatings were carried out using a SNTEK DC and RF magnetron sputtering model PSP5004. A high-purity (99.99%) aluminum target was used in the AlN coating deposition and for TiN coating deposition, high-purity titanium ...
5