نتایج جستجو برای: magnesium az31
تعداد نتایج: 38391 فیلتر نتایج به سال:
Magnesium alloys are still the focus of current research. Special importance is attached to economic production semi-finished magnesium products, for example flat products. In past 20 years, twin-roll-casting alloy strips has been intensively investigated at Institute Metal Forming and successfully applied various compositions (from AZ31 ZAX210 WE43). The TRC technology enables providing a wide...
The ideal temporary implant should offer enough mechanical support to allow healing of the fracture and then biodegrade and be resorbed by metabolic mechanisms without causing any toxic effect. The aim of this research has been to simultaneously study in situ bone healing and the biodegradation of AZ31 Mg alloy as an osteosynthesis material. The in vivo study was carried out in AZ31 implants wi...
Cerium conversion coatings are a potential alternative to chromium conversion coatings for improving the corrosion resistance of magnesium alloys. This study detailed the microstructure and corrosion resistance of cerium conversion coatings on AZ31 magnesium plates treated in 0.05 kmolm 3 cerium nitrate solution, with and without 0.25 kmolm 3 hydrogen peroxide. The results indicate that the cor...
We use phase-field models to characterize the microstructure present in magnesium AZ31 alloy solidified under welding conditions. We focus our attention on the study of the conditions under which a columnar-to-equiaxed transition (CET) is observed in resistance spot welds. Our simulations show how the size and shape of the columnar and equiaxed regions depend on factors such as cooling rate, te...
Characterisation and Corrosion Performance of MultilayerNano Nickel Coatings on AZ31 Magnesium Alloy
Ni-P and Ni layers multilayer coatings were applied to AZ31 magnesium alloy utilizing electroless and electrodeposition procedures. The aim of the project was to decrease cracks and increase corrosion resistance of the coatings. In order to compare the coatings, the effect of single layer electroless Ni-P coatings with different thicknesses was also investigated. The microstructure and phase co...
The study of nucleation mechanism of new grains during severe plastic deformation of magnesium alloys is of great importance to control the characteristics of final microstructures. To investigate the role of discontinuous recrystallization, a wrought AZ31 magnesium alloy was deformed by accumulative back extrusion process at 330 °C. The obtained microstructures were studied using optical and...
Abstract The aim of the research is to develop a neural network model predict mechanical strength AZ31 magnesium alloy in addition with Calcium. This would help researchers or academicians fabricate AZ31+x wt. % Ca which finds more importance making biodegradable implants orthopedic surgery. As yield human bone lies between 104.9 – 114.3 MPa whereas for pure Mg it very lesser, needed make alloy...
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